| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 052111000 | MECHANISM OPERATED RELATIVELY MOVABLE SHAFT ASSEMBLY | 72 |
| 20090145056 | Polygon mast - Aspects of the invention relate to telescoping mast assemblies (telescoping “towers”), polygonal sided masts for use in such assemblies, methods of fabricating polygonal sided masts, methods and apparatus for sequentially actuating and deactuating hold-down and locking mechanisms in telescoping towers, and such other aspects as will be understood from the present descriptions and drawings. Telescopic towers are usable for supporting and raising to a height any type of communications payload, including, for example, radio antennas, television antennas, any type of surveillance and/or sensor payloads, including, for example, microphones, cameras, flood lights, and the like. | 06-11-2009 |
| 20100005734 | TELESCOPING MAST - An extendible mast includes at least three columns having a plurality of column sections that telescopically nest one inside another. A base plate is connected to each column, and each of a plurality of brackets is also connected to each column. The plurality of brackets are positioned along the length of the mast when extended. | 01-14-2010 |
| 20100139180 | Guide System for Power Modules - A tower includes an outer portion forming an outer covering for the wind turbine tower and an inner portion disposed within the outer portion. The inner portion includes a preassembled power module including an upwardly extending support and electrical components that extend outwardly beyond the upwardly extending support and guide supports coupled at a first end to the upwardly extending supports and extending outwardly beyond the electrical components. | 06-10-2010 |
| 20100146873 | TELESCOPING MAST - The present invention concerns a telescopic mast which at least includes one or more telescoping joints, where a telescoping joint consists of two telescoping sections dimensioned so that one section can be moved into another section, where between each of two adjacent telescoping sections in a telescoping joint there is provided at least one actuator urging the adjacent telescoping sections away from each other, where these actuators are disposed internally of the telescoping joints and offset at the internal periphery. | 06-17-2010 |
| 20100229473 | Pneumatic Tower Design - A telescopic support tower has a plurality of tubes nested or stacked with one another. A base is coupled with the outermost tube to stand the plurality of tubes transverse to the base. A mechanism is provided in the base to enable access to an interior space of the plurality of tubes. The mechanism is coupled with a source of compressed air. A plurality of seals, at least two, are positioned on each of the adjacent tubes to seal the tubes with respect to one another. The plurality of seals enables sealed sliding movements of the tubes with respect to one another. At least one first clamp is provided to prohibit movement of selected tubes of the plurality of tubes such that only one tube of the plurality of tubes is enabled to telescope at a time. At least one second clamp fixes the selected telescoping tube to an adjacent tube of the plurality of tubes. | 09-16-2010 |
| 20100313494 | Telescoping mast - A telescoping mast able to efficiently extend and retract multiple telescoping sections without jar and minimal energy. The telescoping mast has multiple telescoping sections, a position feedback sensor, a motor, a spring motor, and a computation unit. The position feedback sensor is coupled to at least one telescoping section and configured to identify a position of the telescoping sections. The motor is also coupled to the telescoping sections, and raises and lowers the telescoping sections. The computation unit controls the motor based on the position of the telescoping sections. | 12-16-2010 |
| 20110185647 | AUTOMATED TELESCOPING TOWER - A telescoping tower comprising a sensor for monitoring an environmental condition, a processor for comparing the monitored environmental condition to a predetermined value, and an actuator for automatically retracting the telescoping tower if the environmental condition is equal to or greater than the predetermined value. | 08-04-2011 |
| 20110185648 | RETRACTABLE COLUMN AND METHOD OF FORMING - The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column. | 08-04-2011 |
| 20110252720 | TOWER, A WIND TURBINE AND A METHOD FOR ARRANGING A PLATFORM INSIDE A TOWER - This invention relates to a tower for a wind turbine, comprising one or more tubular tower sections, having an outer jacket wall and an inward directed flange in its lower and upper ends, and at least one platform arranged inside the tower for facilitating access for maintenance and repairs to the inner of the tower and to the nacelle. The tower also comprises a support structure including at least three elongated tensile load carrying members, which each is attached in its upper end to the upper flange of the tower section and in its lower end to the lower flange of the tower section and which supports one or more platforms that are suspended by the tensile load carrying members while at least one ladder is attached to the platforms. The at least one ladder is stabilized in the horizontal direction by transversal tensile load carrying members extending from the ladder to the tensile load carrying members that are vertically arranged between the upper and lower flanges. The invention also relates to a method for arranging a platform inside a tower. | 10-20-2011 |
| 20110308174 | ERECTABLE AND RETRACTABLE ROD DEVICE - A rod device that can be erected and retracted into a small amount of space, in which the device is formed of component parts that are flexible and can be rolled up when detached from one another, yet form a rigid assembly when connected to one another. | 12-22-2011 |
| 20120102850 | EXTENDABLE/RETRACTABLE SUPPORT COLUMN - An extendable and retractable column which is formed from at least three linked sections or chains. The linked sections include a plurality of individual segments linked end to end. As the linked segments are extended, each of the individual segments of the linked chains engage individual segments of adjacent linked sections to form a column. As the linked sections are retracted, each of the individual segments of the linked sections disengage from the individual segment of the adjacent linked sections and the individual linked sections may be rolled up into a multi-sided form for compact storage. | 05-03-2012 |
| 20120151852 | METHODS AND APPARATUS FOR ANTENNA HAVING GUY WIRE TELESCOPING - Methods and apparatus for providing a mast system that includes a telescoping mast having first and second mast sections, the mast having a stowed configuration and a deployed configuration, and a stabilization structure including a guy wire to stabilize the mast in the deployed configuration, wherein the guy wire is connected to the first mast section for manipulating the first mast section between the stowed configuration and the deployed configuration. | 06-21-2012 |
| 20120151853 | METHODS AND APPARATUS FOR MAST SYSTEM WITH ENHANCED LOAD BEARING - Methods and apparatus for providing a mast system including a telescoping mast having first and second mast sections, the mast having a stowed configuration and a deployed configuration, the first mast section including an inner surface having ribs disposed thereon, and, the second mast section including a coupling mechanism to engage the ribs on the first mast section for enabling axial movement of the second mast section with respect to the first mast section. | 06-21-2012 |
| 20130239490 | MULTI-SECTION TELESCOPING STRUCTURE - A telescoping structure includes a hollow outer section and a hollow inner section slidably mounted in the hollow outer section. The hollow outer section includes a first sidewall, a second sidewall and a third sidewall. The hollow inner section includes a fourth sidewall, a fifth sidewall and a sixth sidewall. A pair of sliding rails is disposed on the interior side of the first sidewall and a pair of raised sliding grooves is defined on the exterior side of the fourth sidewall. The pair of raised sliding grooves engages with the pair of sliding rails to enable a sliding movement of the hollow inner section relative to the hollow outer section. | 09-19-2013 |
| 20140259984 | HEAD ASSEMBLY FOR JACKING TOWER - A head assembly includes a first portion including a first member and a first motor coupled to the first component, the first member configured to rotate about a first axis of rotation. The head assembly also includes a second portion including a second member and a second motor coupled to the second component, the second member configured to rotate about a second axis of rotation, the second axis of rotation being different than the first axis of rotation. The head assembly also includes a third portion including a clamping assembly. | 09-18-2014 |
| 20160060861 | Power Lock System for Stage Truss Towers - A power lock system for stage truss towers for remotely locking a climbing truss sleeve block with its tower, thereby distributing the downward load directly into the tower and preventing upward motion. The power lock system for stage truss towers generally includes a remotely controlled locking mechanism that is mounted within a truss tower section with adjustable locations. The sleeve that slides or rolls up the tower is equipped with stirrups to provide a structural receptacle for the locking forks. The sleeve and the locking mechanism are equipped with sensors that indicate the sleeve is in the correct location for locking. The control system displays the status of the sensors and limit switches and uses logic to exercise the rules of operation. | 03-03-2016 |
| 052112000 | Opposed barrier-engaging; e.g., rock drill column | 3 |
| 20120167485 | FAST TRANSPORTABLE DRILLING RIG SYSTEM - The present invention discloses a high-capacity drilling rig system that includes novel design features that alone and more particularly in combination facilitate a fast rig-up and rig-down with a single set of raising cylinders and maintains transportability features. In particular, a transport trailer is disclosed having a first support member and a drive member which align the lower mast portion with inclined rig floor ramps and translate the lower mast legs up the ramps and into alignment for connection. A pair of wing brackets is pivotally deployed from within the lower mast width for connection to the raising cylinder for raising the mast from a horizontal position into a vertical position. A cantilever is pivotally deployed from beneath the rig floor to a position above it for connection to the raising cylinder for raising the substructure from a collapsed position into the erect position. | 07-05-2012 |
| 20120304553 | DRILLING RIG SYSTEM WITH SELF-ELEVATING DRILL FLOOR - A transportable drilling rig having a self-elevating drill floor includes a base structure comprising multiple base towers that can be transported to a wellsite and positioned around an intended wellbore location. A horizontal base frame is installed between lower regions of the towers to form a stable rig base structure, and a drill floor can then be constructed over the base frame and between the base towers. A suitable rig mast can then be erected on the drill floor. Floor-lifting cables are anchored to upper regions of the base towers and disposable around corresponding sheave assemblies associated with the drill floor. The free ends of the floor-lifting cables can be engaged by the traveling block in the rig mast, whereupon the rig's drawworks can be actuated to elevate the drill floor and mast as required and then locked to the base towers. | 12-06-2012 |
| 20130340355 | Mast and guy wire systems for use with long lateral completion systems and method - A completion system and method adapted for use in wells having long lateral boreholes includes a mast assembly, a pipe handling mechanism, a pipe arm, a pipe tub, a pump/pit combination skid, a rig carrier, and a control system. The mast assembly can extend in a generally vertical direction, e.g., perpendicular to the rig carrier and/or the earth's surface, such that the rig can be placed directly adjacent to a wellbore, and the top drive or a similar drive system can be engaged with and move along the mast while remaining above the wellbore. | 12-26-2013 |
| 052114000 | Moves about vertical axis | 2 |
| 20150292227 | MULTI-AXIAL MAST POSITIONING SYSTEM - A multi-axial mast positioning system includes a frame having two opposed vertical sections, an axle coupled to the frame and rotatable around a first axis passing through the opposed vertical sections of the frame, and a mast coupled to the axle and rotatable about a second axis aligned with and perpendicular to the first axis. Level sensors measure the orientation of the mast along the first and second axes. | 10-15-2015 |
| 20160177590 | MULTI-AXIAL MAST POSITIONING SYSTEM | 06-23-2016 |
| 052115000 | Fluid pressure actuated | 8 |
| 20090019794 | DEVICE FOR COLLAPSING TOWERS IN MOVABLE STRUCTURES - The device is specially designed to facilitate the collapsing of towers ( | 01-22-2009 |
| 20110072737 | PORTABLE DRILLING RIG APPARATUS AND ASSEMBLY METHOD - A portable drilling rig apparatus includes a rig floor having a pedestal structure thereon, the pedestal structure comprising a lower pivot point and a lower attachment point and wherein the pedestal structure is configured to be rotated to a vertical position about the lower pivot point. The drilling rig further includes a mast structure having a mast pivot point at a lower end of the mast structure wherein the mast pivot point is configured to be pinned to an upper pivot point of the pedestal structure. | 03-31-2011 |
| 20120079778 | RAPID DEPLOYMENT AND RETRACTION TELESCOPING MAST SYSTEM - A rapid deployment and retraction telescoping mast system for controlling the height of a mast. A retraction mechanism including a resilient member, a retraction reel, a reel shaft, and a motor disposed about a frame. The resilient member extends from the retraction reel and is rigidly attached to a top tube of the mast through a sealed passage. The reel shaft rotates the retraction reel and winds the resilient member creating a retraction force on the top tube causing controlled retraction of the mast. A deployment mechanism including a compressor, storage tank, exhaust valve and isolation valve arranged about the frame and in communication with the mast. The compressor generates pressurized air to be communicated to the mast when the isolation valve is in the open position. The increase of pressure generated by the deployment mechanism provides a force within the mast thereby controlling its deployment. | 04-05-2012 |
| 20120159875 | TELESCOPIC TOWER ASSEMBLY AND METHOD - A method of constructing a tower structure by assembling a set of coaxial telescopic sections | 06-28-2012 |
| 20130091784 | FLUID-ACTUATED TELESCOPING TOWER FOR SUPPORTING HEAVY LOADS - A fluid-actuated telescoping tower supporting an associated load at a height above an associated foundation includes a fluid barrier, first and second telescoping tubular tower sections, a fluid port configured to receive compressed fluid from an associated source into an interior space of the tower defined by the first and second tubular sections, and a fastening system for holding the first and second tubular sections in the extended position with the compressed fluid received in the interior space of the tower and for mechanically connecting the first and second tubular sections in the extended position with the compressed fluid exhausted from the interior space of the tower by the fluid port. A method of erecting a tower includes inflating nested first and second telescoping tubular tower sections, fastening the sections in an extended position, and depressurizing the tower. A method of collapsing uses a reversal of the erecting process. | 04-18-2013 |
| 20140259985 | SELF-ELEVATING MAST EMPLOYING ACTUATORS - A method includes accommodating a first mast section of a mast on a mast cart below a floor of a platform, the mast comprising a plurality of mast sections, and elevating, using actuators located on the mast cart, the first mast section through an opening in the platform. The method also includes attaching the first mast section to the platform using a plurality of holding locks located on the platform, accommodating a second mast section on the mast cart below the floor of the platform, and elevating the second mast section to the first mast section using the actuators. The method also includes attaching the first mast section to the second mast section, detaching the first mast section from the platform, elevating the first mast section and the second mast section through the opening using the actuators, and attaching the second mast section to the platform using the holding locks. | 09-18-2014 |
| 20150314996 | A TELESCOPIC BOON - A telescopic boom extending along a longitudinal axis includes a base section intended to be connected to a frame of a machine for lifting loads, a plurality of movable sections, a hydraulic cylinder connecting the base section to a first movable section of said plurality for extending the first movable section relative to the base section, at least one extension chain between the base section and a second movable section for extending the second movable section relative to the first movable section, at least one further extension chain interposed between the first movable section and a third movable section for extending the third movable section relative to the second movable section, the extension chain and the further extension chain located at opposite sides of the longitudinal axis. | 11-05-2015 |
| 20160017627 | Fast Transportable Drilling Rig System - The present invention discloses a high-capacity drilling rig system that includes novel design features that alone and more particularly in combination facilitate a fast rig-up and rig-down with a single set of raising cylinders and maintains transportability features. In particular, a transport trailer is disclosed having a first support member and a drive member which align the lower mast portion with inclined rig floor ramps and translate the lower mast legs up the ramps and into alignment for connection. A pair of wing brackets is pivotally deployed from within the lower mast width for connection to the raising cylinder for raising the mast from a horizontal position into a vertical position. A cantilever is pivotally deployed from beneath the rig floor to a position above it for connection to the raising cylinder for raising the substructure from a collapsed position into the erect position. | 01-21-2016 |
| 052116000 | Tilts relative to base | 32 |
| 20100236160 | WIND POWER MACHINE PROVIDED WITH AN ARTICULATED MAST - A wind power machine including a mast that is articulated so as to adopt an upright position above a foundation anchored into the ground and a folded-up position close to the ground. The mast includes substantially straight parts articulated together so as to pivot to bring the mast into the upright position or into the folded-up position. The wind power machine further includes a locking device placed at least one of the articulations between two of these parts to lock the mast in the upright position. The locking device includes: a radially movable clamping ring, placed at the end of one of the two parts of the articulation inside the mast; and an actuation mechanism capable of moving the clamping ring radially so as to produce an intimate male/female-type connection between the two parts of the articulation. | 09-23-2010 |
| 20100313495 | Mast Assembly for Wind Turbine - A mast assembly having a base, and a mast pivotally connected to the base for movement between a horizontal and an upright position. A linear actuator is connected between the base and the mast and is extensible to move mast about the pivot. A strut is selectively positioned between the mast and the base to inhibit pivotal movement toward the horizontal position during lifting of the mast. A plurality of abutments on the base permits selective connection between the actuator and the base. The strut position supports the mast while said actuator is moved between the abutments. | 12-16-2010 |
| 20110162296 | PIVOTABLE TOWER FOR ANGLED DRILLING - An interface apparatus between a tower and platform includes a tower support assembly with opposed angle brackets and a first tower support assembly coupler/decoupler which is repeatably moveable between coupled and decoupled conditions with the tower support assembly. In the coupled condition, the coupler/decoupler is capable of coupling to the tower support assembly at a plurality of predetermined positions along the opposed angle brackets. The interface apparatus includes a second tower support assembly coupler/decoupler which allows the tower to pivot relative to the tower support assembly and rotate relative to the platform. | 07-07-2011 |
| 20130340356 | BRACE SUPPORT MAST ASSEMBLY FOR A TRANSPORTABLE RIG - A mast assembly for a transportable rig which accommodates the height of wellhead equipment such as BOP and/or valve stacks and permits orientation of a top drive rotor in the mast directly over the wellhead as the top drive moves up and down in the mast. In one embodiment, the mast contains a base portion that supports a moveable portion of the mast assembly. In one embodiment, angularly rearwardly oriented supports are utilized to provide an open space to accommodate the height of the wellhead equipment between upright rails on which the top drive moves so that the top drive rotor can be aligned with the bore of the wellhead equipment. | 12-26-2013 |
| 20140250802 | TILT TOWER AND PIPE AUGER ANCHOR ASSEMBLY - A tilt tower and pipe auger anchor assembly comprising a tilt tower having a mast and a swing tube and a coax cable engaging both the mast and the swing tube, the mast has a near end, the near end has a mast flange plate with fastener holes therethrough. A pipe auger anchor has walls defining a generally hollow elongated body having a near end and a removed end, the near end including a pipe auger anchor flange plate mateable with the mast flange plate. The pipe auger anchor flange plate has fastener openings therein and fixedly attached to the near end perpendicular to the longitudinal axis of the hollow elongated body and an auger at the removed end. The auger provides a penetration force when the body is rotated and the auger is engaged with the ground. | 09-11-2014 |
| 20150052828 | BI-DIRECTIONALLY RAISABLE DRILLING RIG MAST - Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure. | 02-26-2015 |
| 20160002946 | MODULAR DRILLING RIG SYSTEM - Modular transfigurable drilling rig system composed of multiple components, which system is transfigurable between a transport mode in which the components of the system are transportable and an operational mode in which the components are assembled to a drilling rig which is adapted to drill into a well centre in the ground. | 01-07-2016 |
| 20160251869 | METHODS AND APPARATUSES FOR ELEVATING DRILLING RIG COMPONENTS WITH A STRAND JACK | 09-01-2016 |
| 20190145122 | SIDE SADDLE SLINGSHOT DRILLING RIG | 05-16-2019 |
| 052117000 | Relatively moving sections | 23 |
| 20120291368 | TILT TOWER ASSEMBLY AND A METHOD OF USING THE SAME, AND A METHOD TO SHIP AND ASSEMBLE A TILT TOWER - An antenna tower is provided having one or more antennae at the removed end thereof, which tower is configured for ease of maintenance of the antenna by a serviceman standing on the ground and servicing the antenna. Applicants' antenna tower includes a fixed vertical base or mast tube, fixed to the ground and having a removed end. At or near the removed end of the base tube, a swing tube is pivotally attached. The swing tube has a first end removably coupled to a near end of the base tube, and a removed end extending beyond the removed end of the base tube. Attached to the removed end of the swing tube is a pivotally mounted configured member or pivot tube. The pivotally mounted elongated member receives an antenna thereupon. The pivot tube is removably coupled to the swing tube to allow the pivot tube to rotate. | 11-22-2012 |
| 20130180185 | MAST FOR DRILLING RIGS AND METHODS OF ASSEMBLING THE SAME - A reclosable mast ( | 07-18-2013 |
| 20130291452 | BI-DIRECTIONALLY RAISABLE DRILLING RIG MAST - Disclosed herein is a bi-directionally raisable drilling rig mast system that includes a drilling rig mast having a bi-directional mast erection connection, a first erection connection positioned proximate a first side of a rig substructure, and a second erection connection positioned proximate a second side of the rig substructure, the second side being at an opposite side of the rig substructure from the first side. The system further includes at least one mast erection apparatus having an upper end that is adapted to be pivotably attached to the bi-directional mast erection connection and a lower end that is adapted to be pivotably attached to the first erection connection for erecting the drilling rig mast from the first side of the substructure, the lower end being further adapted to be pivotably attached to the second erection connection for erecting the drilling rig mast from the second side of the substructure. | 11-07-2013 |
| 20130305632 | System and Method for Erecting a Drilling Rig - A system and method for erecting a drilling rig is disclosed herein. A system for erecting a drilling rig can comprise a substructure comprising a base platform. Additionally, the rig can comprise a modular rig mast comprising a plurality of sections, the plurality of sections comprising a first section, and the rig mast mountable to the substructure. Lastly, the rig can comprise a first one or more lifting means, the one or more lifting means each having a first end connected to the rig mast and a second end connected to the structure, the lifting means capable of lifting the rig mast from a horizontal position to a vertical position. | 11-21-2013 |
| 20150075089 | TITL TOWER ASSEMBLY AND A METHOD OF USING THE SAME, AND A METHOD TO SHIP AND ASSEMBLE A TILT TOWER - An antenna tower is provided having one or more antennae at the removed end thereof, which tower is configured for ease of maintenance of the antenna by a serviceman standing on the ground and servicing the antenna. Applicants' antenna tower includes a fixed vertical base or mast tube, fixed to the ground and having a removed end. At or near the removed end of the base tube, a swing tube is pivotally attached. The swing tube has a first end removably coupled to a near end of the base tube, and a removed end extending beyond the removed end of the base tube. Attached to the removed end of the swing tube is a pivotally mounted configured member or pivot tube. The pivotally mounted elongated member receives an antenna thereupon. The pivot tube is removably coupled to the swing tube to allow the pivot tube to rotate. | 03-19-2015 |
| 052118000 | Telescoping | 11 |
| 20090013617 | UNDERCARRIAGE FOR A TELESCOPIC FRAME - A telescopic undercarriage for raising and lowering a frame. The undercarriage includes a base section having a pair of parallel base legs extending from a first end to a second end of the base section, the base section including a first plurality of braces extending between respective upper surfaces of the base legs and a second plurality of braces extending between respective lower surfaces of the base legs, the base legs, first plurality of braces and second plurality of braces collectively providing an elongate central base section passage. The undercarriage also includes an extendable section slidably disposed within the base section passage and having opposed legs, a drive system for extending and retracting the extendable section relative to the base section. | 01-15-2009 |
| 20090320385 | Construction apparatus with pivotable mast - The invention relates to a construction apparatus comprising a base carrier, a mast which is arranged on the base carrier in a pivotable manner, a first hydraulic cylinder and a second hydraulic cylinder for erecting the mast, which are connected to each other in an articulated manner in a connecting section, the first hydraulic cylinder being linked to the base carrier and the second hydraulic cylinder being linked to the mast, and a coupling rocker-arm which is linked on one side to the mast and on another side to the connecting section. According to the invention in the part of the connecting section a spacer is arranged, through which the connecting section is supported on the mast in a detachable manner. | 12-31-2009 |
| 20110061313 | ADAPTERS FOR THE BOOM ARM OF AN AERIAL WORK PLATFORM - At least one adapter and at least one support bracket are utilized with a boom arm having at least one boom arm section. The at least one adapter is integrally attached by welding to the boom arm section and has a receiving section. The at least one support bracket is received in the receiving section of said at least one adapter. The boom arm has telescoping sections, and an adapter and support bracket is positioned secured at each section. The support bracket receives a cable, to facilitate retention of the cable to the boom arm for use at a platform located at the top of the arm. | 03-17-2011 |
| 20120210655 | BOOM ASSEMBLY - A telescopic boom broadly comprises an elongated hollow outer boom, an elongated inner boom telescopically received within the outer boom, and a guidance structure for guiding the inner boom for telescopic movement is provided. The guidance structure includes a plurality of guide rails attached to the interior corners of the outer boom, a first roller assembly attached to one end of the inner boom, a second roller assembly attached to one end of the outer boom, and a mid roller assembly positioned proximal to the second roller assembly. The first roller assembly includes a plurality of wheels mounted on axles for engaging the guide rails. The second roller assembly includes roller bars positioned on opposed sides of one end of the outer boom for guiding the inner boom during telescopic movement. The mid roller assembly includes a third roller bar that engages guide rails positioned on the inner boom. | 08-23-2012 |
| 20130055658 | TELESCOPIC CRANE ARM - Telescopic crane arm for a crane, in particular a mobile crane, with: | 03-07-2013 |
| 20130269268 | MOBILE DRILLING RIG WITH TELESCOPING SUBSTRUCTURE BOXES - Disclosed herein is a telescoping substructure of a drilling rig that includes first and second telescoping substructure boxes. The first and second telescoping substructure boxes each include, among other things, a lower substructure box and an upper substructure box that is adapted to be telescopically raised and lowered relative to the lower substructure box. Furthermore, each telescoping substructure box also includes raising means for telescopically raising and lowering the upper substructure box relative to the lower substructure box between a collapsed configuration for transportation and a raised configuration for drilling operations, wherein each of the first and second telescoping substructure boxes are adapted to facilitate movement of the telescoping substructure in at least one of a lateral direction and a longitudinal direction over wellhead equipment positioned above a wellbore location when the upper substructure boxes are in the raised configuration. | 10-17-2013 |
| 20140059949 | TELESCOPIC MULTI-MAST SYSTEM - A telescopic multi-mast system includes a plurality of telescopic masts, each of the telescopic masts having a plurality of telescopic mast sections. The telescopic multi-mast system also includes a drive mechanism for extending and retracting the telescopic masts. The telescopic, multi-mast system further includes a plurality of stabilisers disposed over the telescopic masts and connected to the mast sections of the telescopic masts to cancel angular deflection of the telescopic masts. | 03-06-2014 |
| 20140259986 | SLIDING LOCKING ACTUATOR FOR AUTOMATIC TILT MECHANISM - A mast assembly including a locking actuator for locking a cradle of the mast in position. The locking actuator includes a housing having a first lock pin extending in a first direction and a movable member supported by the housing having a second lock pin extending in a second direction opposite the first, the locking actuator being slideably mounted to the cradle for sliding movement along an axis parallel to an axis of extension/retraction of the locking actuator. When the locking actuator is extended the first and second lock pins are inserted into respective lock holes in a base member thereby locking the cradle against pivoting movement relative to the base member. | 09-18-2014 |
| 20140298735 | APPARATUS FOR AND METHOD OF FOLDING A MAST OR DERRICK - A method of folding a mast or derrick and a folding mast apparatus having a back face and a pair of opposed sides with each of the opposed sides having a front leg and a back leg. The apparatus includes at least one spreader beam assembly extending across the back face and connecting the back legs of the pair of opposed sides. At least one pair of telescoping braces extends between the at least one spreader beam assembly and the back legs. A pair of mast folding cylinders, each of the cylinders extending between one back leg and the back face, moves the pair of opposed sides between an open, use position and a closed, transportation position. | 10-09-2014 |
| 20140318040 | PORTABLE TOWER WITH IMPROVED GUIDING AND LIFTING SYSTEMS - An apparatus includes a portable tower having multiple sections including a base section and at least two slidable sections. The sections form a nested telescopic structure where each of the slidable sections is configured to move within another of the sections. The tower can also include a lifting system configured to extend the at least two slidable sections substantially simultaneously. Each section of the tower may also include multiple rollers configured to roll against at least one adjacent section of the tower. | 10-30-2014 |
| 20160039650 | TELESCOPIC HANDLING DEVICE COMPRISING AT LEAST TWO ELEMENTS MOUNTED SO AS TO SLIDE RELATIVE TO ONE ANOTHER - A telescopic handling device includes at least two elements ( | 02-11-2016 |
| 052119000 | Lifting arm directly engages tower | 4 |
| 20130180186 | COLLAPSIBLE SUBSTRUCTURE FOR A MOBILE DRILLING RIG - Generally, the present disclosure is directed to a collapsible substructure of a mobile drilling rig. In one illustrative embodiment, a drilling rig substructure is disclosed that includes a base having a fixed drill floor mounted thereon, wherein an upper surface of the fixed drill floor is positioned at an operating height above the base for performing drilling operations at a wellbore location of a drilling site. Furthermore, a raisable floor is also included that is adapted to be positioned in a lowered transportation position for transportation of the substructure to the drilling site and raised to an operating position adjacent to the fixed drill floor for performing drilling operations, wherein a height level of an upper surface of the raisable floor is lower than a height level of the upper surface of the fixed drill floor when the raisable floor is positioned in the lowered transportation position. | 07-18-2013 |
| 20150135607 | WELL DRILLING APPARATUS AND ASSEMBLING AND DISASSEMBLING METHOD - A well drilling apparatus ( | 05-21-2015 |
| 20160017628 | Fast Transportable Drilling Rig System - The present invention discloses a high-capacity drilling rig system that includes novel design features that alone and more particularly in combination facilitate a fast rig-up and rig-down with a single set of raising cylinders and maintains transportability features. In particular, a transport trailer is disclosed having a first support member and a drive member which align the lower mast portion with inclined rig floor ramps and translate the lower mast legs up the ramps and into alignment for connection. A pair of wing brackets is pivotally deployed from within the lower mast width for connection to the raising cylinder for raising the mast from a horizontal position into a vertical position. A cantilever is pivotally deployed from beneath the rig floor to a position above it for connection to the raising cylinder for raising the substructure from a collapsed position into the erect position. | 01-21-2016 |
| 20160017629 | Fast Transportable Drilling Rig System - The present invention discloses a high-capacity drilling rig system that includes novel design features that alone and more particularly in combination facilitate a fast rig-up and rig-down with a single set of raising cylinders and maintains transportability features. In particular, a transport trailer is disclosed having a first support member and a drive member which align the lower mast portion with inclined rig floor ramps and translate the lower mast legs up the ramps and into alignment for connection. A pair of wing brackets is pivotally deployed from within the lower mast width for connection to the raising cylinder for raising the mast from a horizontal position into a vertical position. A cantilever is pivotally deployed from beneath the rig floor to a position above it for connection to the raising cylinder for raising the substructure from a collapsed position into the erect position. | 01-21-2016 |
| 052120000 | Gin pole hoist | 3 |
| 20080202042 | Drawworks and motor - A rig system with a drawworks motor and a drawworks motor useful in systems for wellbore operations, the system in certain aspects including a rig, a derrick on the rig, a drawworks, the drawworks motor for powering the drawworks, the motor including a motor shaft, a plurality of power cables for providing electrical power to the motor, a portion of each of the plurality of power cables passing through the shaft, and a plurality of channels passing through the shaft adjacent the power cables and spaced-apart therefrom, the channels for the passage therethrough of a heat exchange fluid for the exchange of heat with the power cables to maintain the power cables at a desired temperature. | 08-28-2008 |
| 20100212236 | Gin Pole Device for Raising and Lowering a Tower - The present invention provides a gin pole device for raising and lowering a tower that allows tension and length adjustments of the guy wires during tower erection to keep the tower as straight as possible, so that weight loads are equally distributed on the guy wires, thereby avoiding tower deformation. | 08-26-2010 |
| 20160060890 | EQUIPMENT TOWER - An equipment tower includes a base having a base support, a pivot support pivotally connected to the base support at a fulcrum point and equipment mounted on the pivot support. A detachable winch is releasably securable to the equipment tower, the winch having a cable that is attachable to the pivot support. The equipment tower is operable by pivoting movement of the pivot support between a maintenance configuration, in which the equipment is lowered, and the erected configuration, in which the equipment is elevated. When the winch is secured to the base and the cable is attached to the pivot support, operation of the winch controls the pivoting movement of the pivot support. | 03-03-2016 |
| 052121000 | Longitudinally extensible by flexible drive or hoist | 11 |
| 20080236060 | TELESCOPING TOWER AND METHOD OF MANUFACTURE - A mast section for a telescoping tower system is made by aligning press brake tools along the length of the metal sheet at spaced width locations and forming the corners of the tube. After forming of the last corner, an opening remains along the length of the tube. The press brake male tool axis is offset sufficiently to permit the tool to apply forming force to the last corner of the tube through the opening, and is sized to remove the tool from the opening. At least three mast sections are nested to form the tower system. Pulleys for a cable extension system are mounted near the upper and lower ends of a wall of an intermediate mast section, with one of the pulleys being oriented at an acute angle to the mast section wall to permit routing of the cable. | 10-02-2008 |
| 20090031644 | MOVING RETAIL SPACE SYSTEM FOR BUILDINGS - A moving retail space system for buildings comprising a moving housing that operates within a building structure to allow multiple businesses to be at a street level. The moving housing comprises spaces A and A′, and the building structure comprises a basement. A lift assembly moves the moving housing from an initial to a second position, and vice versa. In the initial position a first business operating in space A is at the street level, and a second business operating in space A′ is located one floor above the first business. In the second position, the first business operating in space A is in the basement, and the second business operating in space A′ is at the street level. At least one locking mechanism laterally secures the moving housing in place. A sealing mechanism prevents objects from falling between the moving housing and the building structure. | 02-05-2009 |
| 20100107516 | RETRACTABLE COLUMN AND METHOD OF FORMING - The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column. | 05-06-2010 |
| 20100251634 | Unguyed Telescoping Tower - A telescoping tower comprises a plurality of telescoping tower sections, each tower section having a pressure member that engages with a respective pressure member on a respective tower section when the tower sections are moved from a nesting condition to an extended position, the engagement of the pressure members occurring at the overlap of the tower sections to increase stability of the telescoping tower and reduce unwanted play at the overlap regions. | 10-07-2010 |
| 20110061314 | Method of installing a cable in the tower of a wind power plant - A method and apparatus for mounting at least one line in a tower of a wind power plant, the line is provided in the tower before its erection in shortened, preferably folded or wound-up form. The tower also includes a means for extending the line, after erection of the tower so that the lower end of the line is lowered in a controlled manner to the bottom of the tower and can be attached there to a connector and the upper end is extended to a connector at the top of the tower if not already connected to the connector. | 03-17-2011 |
| 20120110927 | PAYLOAD MAST - An extensible payload system including mounting equipment and a mast system removably coupled to the mounting equipment. The mast system includes a plurality of nested mast sections, at least one cable, and a pull block assembly. The plurality of nested mast sections include a first mast section and a second mast section nested within the first mast section. At least one cable is rollably coupled to the first mast section. The pull block assembly is coupled to an end of the second mast section. The pull block assembly has a cable receiving opening. The cable is routed into the cable receiving opening and is coupled to the pull block assembly. | 05-10-2012 |
| 20120279144 | RETRACTABLE COLUMN AND METHOD OF FORMING - The present invention is an improved apparatus and method for forming a retractable tower or column. The present invention includes pointed hooks wherein the hooks are attached to each section of a section chain, one in a horizontal direction and one in an off-set manner. The section chains are placed on a take up mechanism in an operable position and then raised utilizing a motor. As the section chains are raised, they are guided by a guide tower, rollers, shims, and gear racks into a position whereby hooks from adjacent sections of the section chains form coupled engagements. The coupled engagement of the hooks of the sections of each adjacent section chains thereby form the column. | 11-08-2012 |
| 20140259987 | Telescoping Derrick - A derrick is disclosed. The derrick has a bottom section and a bottom-mid section. The derrick further may include a top-mid section and a top section, wherein a crown is disposed atop the top section and a travelling block is operatively coupled to the crown. The bottom section is separable into two split sections and the two split sections are configured so as to be disposed around the top-mid section such that the two split sections encompass the top-mid section. A hydraulic cylinder and plate mechanism (“locking dog mechanism”) is disposed on bottom section, wherein the mechanism is configured to hold the top-mid section when actuated. The bottom-mid section is sized to be moved into a space defined within the bottom section after the top-mid section has been raised above the bottom section. When fully erected, the top section is affixed to and above the top-mid section, the top-mid section is affixed to and above the bottom-mid section, and the bottom-mid section is affixed to and above the bottom section. | 09-18-2014 |
| 20140311057 | Maximum Strength, Reduce Weight Telescoping Mast with Interlocking Structural Elements - A telescoping mast for deploying, retracting and securing a payload of equipment. The mast is formulated using advantaged geometry and comprises interlocking support legs and relatively lightweight skins mounted between the support legs as its base structure. In addition, some embodiments of the disclosed apparatus provide a secure channel through the mast for cables necessary for the operation of equipment mounted in a payload. Still further, some embodiments of the disclosed apparatus provide a wire rope and pulley system to raise and lower the mast and include structural flexibility to enable the telescoping mast to be used at various intermediate heights in between full extension and fully retracted. | 10-23-2014 |
| 20160130877 | Drilling Rig - Methods and systems are disclosed for a drilling rig that includes a mast, such as a telescoping mast. The mast has at least three sections, namely a top section, one or more intermediate sections that constitute the intermediate section, and a bottom section. Further, the drilling rig also includes a substructure that is removably attached to the mast. That is, the drilling rig may be attached at its bottom section to the drill floor of the substructure, which has components on and below it. The drill floor has an adjustable height through contact with at least one power source, such as mechanical (e.g., hydraulic, pneumatic, etc.), electrical, and combinations thereof. Further still, the drilling rig is transportable in a single load as opposed to having to transport the drilling rig on multiple loads on multiple trucks. | 05-12-2016 |
| 20160376806 | Telescopic Mast - A fall protection apparatus includes a heavy support base with a pivotal mast having a top member for rotation around the axis of the mast carrying a series of booms pivotal about respective vertical axes, each having an end coupling member for receiving a fall restraint harness. Each boom is formed by a tube which fractures on a fall and an elongate stainless steel strap inside the tube which bends without fracturing. The mast includes a series of telescopic rectangular mast sections with a winch driven cable and pulley arrangement for extending the first section which acts to pull the second inner section to the extended position as the first inner section moves out of the outer section. Each section includes first and second pulleys mounted at the same face of the section with the cable located between the face of the section and the face of the next section. | 12-29-2016 |
