Class / Patent application number | Description | Number of patent applications / Date published |
182036000 | TRAVERSING, TRACK-MOUNTED | 35 |
20090020361 | Device for enabling access to a structure above ground level - The present invention relates to a device for enabling access to a structure above ground level by lowering and/or lifting the device in relation to the structure, the device comprising a first endless frame structure defining an opening, wherein at least part of the first endless frame structure forms a track portion, the track portion being adapted to guide an, in relation to the track portion, movable object, such as a gondola, along the track portion. The device may further comprise a second endless frame structure defining an opening, the second endless frame structure being aligned with the first endless frame structure. | 01-22-2009 |
20090065300 | ELEVATED ADVENTURE COURSE - An elevated adventure course, having an entrance-exit platform connected to a support member; a tracking member secured to a top portion of the support member; an element secured to said support member; and a path defined by a plurality of the elements that leads to a second entrance-exit platform. | 03-12-2009 |
20100006373 | Fall protection safety process & apparatus - The present invention relates to a safety apparatus and process for use by a workman in the installation of roofing truss and roofs on buildings and especially to a fall protection safety apparatus for securing a worker during installation of a roof. | 01-14-2010 |
20100012426 | Sloped Roof Safety System - The subject matter of this specification can be implemented in, among other things, a roofing system includes a sloped roof structure extending from a lower elevation area that is accessible from a lower edge of the sloped roof structure, and extending to a higher elevation area. The system further includes an elongate rail structure attached to the sloped roof structure, the elongate rail structure extending from the lower elevation area to the higher elevation area. The system further includes an attachment mechanism that slides along and is securely attached to the elongate rail structure, the attachment mechanism includes an attachment structure for securely tethering the person to the elongate rail structure to prevent the attached person from falling off the sloped roof structure, and so that when the attached person travels from the lower elevation area to the higher elevation area the attachment mechanism slides along the elongate rail structure while maintaining the secure tethering of the person to the elongate rail structure. | 01-21-2010 |
20100078262 | ENCLOSED TRACK SYSTEM FOR A FALL PROTECTION SYSTEM - Embodiments of the invention provide a fall protection system having first and second truss members, at a first distance from each other; first and second slotted housings at a second distance from each other, each housing defining a first track therein; a first plurality of connecting members connecting the first truss member to the first housing; a second plurality of connecting members connecting the second truss member to the second housing; and a first plurality of cross members connecting the first housing to the second housing. Some fall protection systems include at least two spaced apart support members and may have a length ranging from about 10 feet to about 2,000 feet in length. | 04-01-2010 |
20100294590 | Method, Apparatus, and Arrangement for a Lifeline System - A shuttle member for a horizontal lifeline system having at least one elongate line attached between at least two anchorage points. The shuttle member includes: a body having: (i) an upper portion configured for attachment to the line by at least partially surrounding the line; (i) an intermediate portion that, together with the upper portion, defines at least one passage slit that is sized such that the elongate line cannot pass therethrough; and (iii) an attachment portion configured for attachment of at least a portion of a lanyard. A shuttle member arrangement and a passing method are also disclosed. | 11-25-2010 |
20100307868 | RETRACTABLE ACCESS PLATFORM - An apparatus for providing access to vehicles and containers on a pair of railways or thoroughfares. The apparatus is comprised of a raised walkway between the pair of thoroughfares having a tracking platform movable thereon. Pivotally attached to and carried by the tracking platform is a turret. Carried on the turret and hinged thereto is a bridge that is rotatable in a vertical plane. At the end of the bridge is a cage pivotally attached to the bridge so that the cage remains horizontal when the bridge is rotated vertically on the turret. The bridge and cage are dimensioned so that, when the turret is rotated such that the bridge is directed between and parallel to the thoroughfares and the bridge and cage are raised, the apparatus is entirely out of the clearance envelopes of the thoroughfares. | 12-09-2010 |
20110024230 | INTERMEDIATE HOLDER FOR THE SAFETY ROPE OF AN OVERHEAD ROPE SYSTEM OF A FALL PROTECTION DEVICE AND ARRANGEMENT CONSISTING OF THE INTERMEDIATE HOLDER AND A RUNNER COOPERATING THEREWITH - The intermediate holder ( | 02-03-2011 |
20110226549 | Safety Line Traveller and Support - A traveller for a fall arrest system including a body having a bore and a slot narrower than the bore linking to the bore to the exterior of the body. A load member is connected to the body for pivotal movement relative to the body and suitable for attachment to fall safety equipment. The body has a centre of gravity positioned so that when the traveller is supported on a safety line passing through the bore, the body will be urged by gravity to rotate about the safety line towards a position in which the slot has a predetermined orientation relative to the safety line. | 09-22-2011 |
20110297480 | Safety Line Traveller - A safety line traveller ( | 12-08-2011 |
20120217092 | Safety Line Traveller - A traveller for safety line for a fall arrest system has a slot extending to the exterior of the traveller and a safety line locating shuttle provided on-board the traveller wherein the safety line locating shuttle is movable relative to the slot along a predetermined path in a direction across the slot. This aids in accurate positioning of the safety line with respect to the traveller. The slot can be defined between opposed slot edges which are movable relative to one another to reconfigure the slot. | 08-30-2012 |
20120234627 | SUPPORT ASSEMBLY - This invention relates of a support assembly for a vehicle of the type that includes an enclosed load carrying compartment having a roof, said support assembly being adapted to provide support for a person when moving about on said roof. The support assembly includes a guide that is mountable on the roof and a base that is adapted to engage said guide and which is capable of movement along said guide while remaining engaged therewith. The support assembly also includes a support structure that includes a lower end portion that is pivotally connected to the base and a handle that is spaced from said base. The support assembly also includes a lock for selectively locking the support structure in a desired attitude relative to the base. | 09-20-2012 |
20120318611 | Helicopter emplaceable cart for travel along electrical power lines - A cart for carrying a lineman along power line conductors includes a basket, vertical supports, a frame overhanging the basket, the frame mounting rollers which engage the conductors. The frame, vertical supports and basket define a generally C-shaped opening between the frame and the basket through which the conductors pass into vertical alignment with the rollers on the frame. The basket includes a wall remote from the opening which extends upwardly and away from the opening to provide a protected area for the lineman, the vertical supports being positioned between the opening and the area for protecting the lineman from conductors passing through the opening. The cart includes a safety cable affixed to the basket at the opening and removably attachable to the frame at the opening to provide a structural connection between the basket and the frame for strengthening the cart structure during cart movement. | 12-20-2012 |
20130068557 | SYSTEMS AND METHODS FOR INTERFACING TO A GUIDE RAIL - Systems and methods are provided for interfacing to a guide rail. Provided is an improved rail interface wheel is provided including a continuous U-channel formed about a periphery of a puck shaped wheel body. The rail interface wheel is configured to spin about a spin axis. The U-channel includes a primary diameter measured parallel to the spin axis and a secondary diameter measured along a line that is coplanar with but not parallel to the spin axis. The secondary diameter is preferably at least as great as the primary diameter. The rail interface wheel may be used in combination with a movable structure, such as a library ladder. | 03-21-2013 |
20130248285 | DUAL TRACK LADDER FOR USE WITH MOBILE SHELVING - A ladder assembly for use with movable shelving is disclosed. The ladder assembly may comprise an overhead track assembly, a carriage, and a ladder. The overhead track assembly includes a first guide track and a second guide track. The carriage is operatively configured to move longitudinally along the first and second guide tracks. The ladder is pivotally and slidably mounted to the carriage. The ladder has an operating position and a stored position. The operating position is located in an open available aisle of the movable shelving. The stored position may be located substantially vertical and outside of the aisle of the movable shelving allowing the movable shelving to close the aisle without interference from the ladder. | 09-26-2013 |
20140008148 | Safety Line Traveller and Support - A traveller for a fall arrest system comprises a body having a passage therethrough, a slot narrower than the passage linking the passage to the exterior of the body, and a load member suitable to attach the traveller to fall safety equipment. The slot is formed between an inner gate extending outwardly relative to the passage and an outer gate extending inwardly relative to the passage, the inner gate and outer gate having respective opposed convex surfaces defining the slot between them. The traveller is arranged such that when the traveller is mounted on a support the inner gate and outer gate lie on a common radius of respective concentric circles about the support. | 01-09-2014 |
20140262613 | Ladder Corner Roller - A mechanism directed to the art of rolling ladders is provided. A swivel roller capable of being attached to a rolling ladder to enable the rolling ladder to traverse an interior corner. The swivel roller has a mounting bracket with a hinged member and first and second wheels for supporting and moving the rolling ladder along a rail. | 09-18-2014 |
20140284141 | TRAVELLER FOR THE CONSTRUCTION OF ENGINEERING WORKS - The invention relates to a traveller ( | 09-25-2014 |
20140360809 | REMOVEABLE CRANE BOOM LIFELIME SYSTEM - A removable crane boom lifeline system comprising a plurality of support elements, each support element including a base post having a top and a bottom securing members for securing to respective top and bottom side longitudinal lattices of the crane boom, and an extendable post longitudinally and slidingly engaged with the base post, the extendable post being provided near a top extremity with a lifeline anchor for attaching a lifeline thereto. | 12-11-2014 |
20140374191 | CRANE BOOM ACCESS - Methods and apparatus access the boom (jib) of a crane, e.g. of the type commonly employed on offshore oil rigs. In place of the extensive scaffolding structure normally required to provide secure access to a crane boom ( | 12-25-2014 |
20150060197 | HORIZONTAL LIFELINE TRAVERSING DEVICE - A horizontal lifeline traversing device is capable of traversing intermediate lifeline supports without detachment from the lifeline but is easily attached to or detached from the lifeline. A paddle wheel having a plurality of radially spaced apart paddles prevents the device from vertical movement. The paddles are made of first and second sets of paddles rotatable about the same axle. The first set is substantially fixed on the axle but the second set is movable axially between a first position where it is axially spaced from the first set and a second position where it is in substantial axial alignment with the first set. A spiral spring biases the second set into the first position. By rotating the second set of paddles slightly, it can be moved axially into the second position where the device can be attached to or detached from a horizontal lifeline. | 03-05-2015 |
20150096834 | FALL RESTRAINT TRAVELER DEVICE - The fall restraint traveler device has a hollow body structure, two or more spacers, one or more lanyards and a leash. The hollow body structure has a first end and a second end. A safety rope extends passing through both first and second ends. The body structure has an elongated slot extending between the ends. The two or more tubular spacers are placed internal of the body structure with the safety rope passing through each spacer. The one or more lanyards are for attachment to a climber. Each lanyard has at least one locking element. The device is aligned with and free to slide along the safety rope during ascent or descent of the climber and in the event of a fall, the at least one locking element tightens as it pulls on the safety rope pulling the rope out of alignment and thereby cinching to the rope. | 04-09-2015 |
20150303663 | APPARATUS FOR MOVING A LINE CART ALONG A CABLE - The present invention provides an apparatus for pulling a line cart along a section of suspended cable. The apparatus comprises a frame; a motor that is supported by the frame; one or more drive wheels that are cooperative with the cable for suspending the frame from the cable and the drive wheels rotate along the cable. The apparatus further comprises a transmission system for operatively connecting the motor to the drive wheels and a brake that engages the drive wheels. The present invention further comprises a line cart with an apparatus that includes the features described above. The apparatus provides the required power to pull the line cart up steep sections of suspended cables and the brake allows an operator to hold the line cart in a desired section of the suspended cable. | 10-22-2015 |
20160038789 | COVERT CLIMBER TELESCOPING LADDER - A tube-within-a-tube single pole extendable ladder has individual rungs that fold up into the body for portability and minimum bulkiness for transportation. In an exemplary embodiment, the climbing device can be used by hunters. The climbing device has a slender design that is easy to carry through dense underbrush. It is diminutive in appearance while in use. Once mounted to a tree, the main unit can be removed from its harness and transported to another location for use with another harness or removed for security purposes. The telescoping ladder can then be reattached to the tree or other structure simply by mounting to the harness with no tools and retained by a latching component. With the use of a carrying strap, the entire unit, in its closed state, can be transported to the next location and snapped into the provided harness, and is ready to climb. | 02-11-2016 |
20160059055 | DEFORMABLE ENERGY ABSORBER WITH DEFORMATION INDICATOR - Apparatus and associated methods relate to fall-protection safety connector having alignment indicators located on both a static end and a dynamic end of a deformable energy-absorbing device that when deformed visually presents the alignment indicators as misaligned. In an illustrative embodiment, the fall-protection safety connector may be configured to securely connect to a securement member. In some embodiments, a user may connect to the fall-protection safety connector by attaching a lanyard to an aperture coupled to the dynamic end of the deformable energy-absorbing device. Before using the fall-protection safety connector, the user may visually inspect the alignment of the alignment indicators to ascertain the readiness of the connector. Misaligned alignment indicators may advantageously indicate to the user that the remaining energy-absorbing deformation capability of the connector may be below a predetermined specification. | 03-03-2016 |
20160108669 | Concealable Step Stool - A stool that can be concealed underneath a cabinet. The present invention includes a housing plate with tracks that facilitate the movement of a footplate. The footplate is attached to the housing plate such that the footplate can either be perpendicular or parallel to the face of the cabinet. When the footplate moves from the perpendicular position to the parallel position, it locks into place, providing a secure step. | 04-21-2016 |
20160129288 | Safety Line Traveller - A traveller for safety line for a fall arrest system has a slot extending to the exterior of the traveller and a safety line locating shuttle provided on-board the traveller wherein the safety line locating shuttle is movable relative to the slot along a predetermined path in a direction across the slot. This aids in accurate positioning of the safety line with respect to the traveller. The slot can be defined between opposed slot edges which are movable relative to one another to reconfigure the slot. | 05-12-2016 |
20170232279 | ACTIVE TROLLEY SUPPORT SYSTEM | 08-17-2017 |
182037000 | With occupant elevating or lowering means | 2 |
20080230311 | Fall-arresting mechanism - For a generally vertical or curved structure, such as a ladder, tower, wall, or pole, which is equipped with a generally vertical or curved rail, a fall-arresting mechanism comprises an upper plate and a lower plate. Each plate has an aperture, through which the generally vertical rail extends. The mechanism further comprises an elongate, linking member, such as a strap, which is connected to one of the upper and lower plates. The upper and lower plates are linked, by a parallelogram linkage on each of two sides, so that the upper plate is pressed against the rail, in a given direction, while the lower plate is pressed against the rail, in an opposite direction, when the elongate, linking member is pulled downwardly or downwardly and away from the rail. The upper and lower plates are biased in the indicated directions. The mechanism further comprises a friction-enhancing wheel, which is biased against the rail. | 09-25-2008 |
20110036662 | Movable Wellhead Platform - A movable platform system for performing workover tasks on a wellhead includes a platform base with a base wellhead access gap at its front end. At least one track is fixed to the upper surface of the platform base and extends from the rear of the platform base to a position near the rearward edge of the base wellhead access gap. A platform support frame with a wellhead access gap at its front end is coupled to the track and configured for movement along the length of the track. An upper platform is connected to the platform support frame and also has a platform wellhead access gap at its front end. The three wellhead access gaps at the three levels of the platform system are substantially aligned when the movable platform support frame is disposed and locked in the working position above the wellhead. Workers on the upper platform have access to equipment surrounding the wellhead. | 02-17-2011 |
182039000 | Ground- or floor-engaging | 5 |
20090301812 | Dual track ladder with brake mechanism that is automatically applied to the upper tracks to hold the ladder in place during use - The ladder system is disposed between two spaced storage shelves of the types found in crowded warehouses. The ladder is mounted on overhead guide tracks and may be moved longitudinally along the shelves and laterally between the shelves. Locating means are provided for immobilizing the ladder against movement laterally and longitudinally. The locating means includes a pair of spring-loaded casters and rubber pads at the lower end of the ladder and a pair of braking mechanisms overlying and engageable with the guide tracks when subjected to the weight of the user to prevent movement of the ladder at the top thereof either intentionally or unintentionally. Finally, a lateral brake is carried by the ladder which prevents the roller carriage from moving laterally. The brake is applied when the ladder is in use. | 12-10-2009 |
20100252362 | DUAL TRACK LADDER WITH BRAKE MECHANISM THAT IS AUTOMATICALLY APPLIED TO THE UPPER TRACKS TO HOLD THE LADDER IN PLACE DURING USE - A ladder system includes an overhead track system, a ladder, a latch and a carriage. The overhead track system includes a first guide track and a second guide track. The carriage is operatively configured to move longitudinally along the first and second guide tracks and to move laterally between the first and second guide tracks. The ladder is pivotally mounted to the overhead track system. A lateral carriage brake is provided which prevents lateral movement of the ladder, and a longitudinal carriage brake is provided to prevent longitudinal movement of the ladder. The latch is operatively configured to affix the ladder to the carriage. | 10-07-2010 |
20120292130 | FOLDABLE DUAL TRACK LADDER SYSTEM - The disclosed ladder system may be disposed in a store, warehouse, library, or similar facility where two storage shelves form an aisle. The ladder can be pivotally attached to a roller structure that moves along a length of the aisle on a guide track. The guide track may be disposed along sides of the storage shelves. The roller structure may be formed by a lateral rod extending between and coupled to two roller carriages. Further, because the ladder is pivotally attached to the roller structure, the ladder may fold substantially out of the aisle when the ladder is not in use. | 11-22-2012 |
20120312634 | Article Storage Facility - A work platform on which a worker can ride includes a suspended portion supported above a floor surface, the suspended portion being movable by a movement rail provided upwardly of a movement path, and a platform portion provided in the form of a plate on which the worker can ride, the platform portion having a base end connected to a lower end portion of the suspended portion to be pivotable about an axis along the direction of lateral width of the movement path. With pivotal movements about the axis, the platform portion can selectively assume a riding posture wherein the platform portion extends along the movement path so that the worker riding on this platform portion can move along the longitudinal direction of the movement path and a folded posture wherein the platform portion is folded toward the suspended portion to extend along the vertical direction. | 12-13-2012 |
20140097039 | DUAL TRACK LADDER WITH BRAKE MECHANISM THAT IS AUTOMATICALLY APPLIED TO THE UPPER TRACKS TO HOLD THE LADDER IN PLACE DURING USE - A ladder system includes an overhead track system, a ladder, a latch and a carriage. The overhead track system includes a first guide track and a second guide track. The carriage is operatively configured to move longitudinally along the first and second guide tracks and to move laterally between the first and second guide tracks. The ladder is pivotally mounted to the overhead track system. A lateral carriage brake is provided which prevents lateral movement of the ladder, and a longitudinal carriage brake is provided to prevent longitudinal movement of the ladder. The latch is operatively configured to affix the ladder to the carriage. | 04-10-2014 |