| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 182152000 | UNITARY FOLDABLE, RIGID SCAFFOLD OR LADDER | 39 |
| 20110114419 | Folding step ladder - The folding step ladder has lower and upper treads and lower and upper risers which are pivotal relative to the treads. The ladder also has front and back side panels on each side of the treads. The side panels on each side are pivotal relative to each other. The lower riser is pivotal relative to the lower tread and to both of the front side panels. A rear panel is pivotal relative to both of the back side panels and the upper tread. When the step ladder is closed or folded and one of its components is lifted, gravity causes the step ladder to open or to unfold. When another of its components is lifted while the step ladder is open or unfolded, gravity causes the step ladder to close or to fold. Handles are provided on the two components to facilitate lifting of them. | 05-19-2011 |
| 20130153337 | SCAFFOLD MODULE - A scaffold module has a floor and two upright side sections, which are hinged to lengthwise edges of the floor. Each hinge is formed by two extrusion pieces that can be pushed into each other, and is made so that the side sections can only be folded towards the floor in a direction towards each other. Each side section is made of one extrusion piece, in which a section of the extrusion piece forms a section of the hinges. The edges of the floor are formed by girders, between which there is a plastic plate. The girders are each formed of one extrusion piece, which forms the other section of the hinges. | 06-20-2013 |
| 20130192925 | CONVERTIBLE STEP STOOL - An apparatus and method for a children's convertible dual mode step stool that includes both a single-step mode and a double-step mode. A moveable housing, coupled to a base housing, selectively and lockably maintains either of two different ninety degree orientations to present a desired one of either a single-step mode or a double-step mode. | 08-01-2013 |
| 20150083522 | Collapsible Stool - A collapsible stool with foldable legs as well as a foldable seat is disclosed herein. The stool collapses to greatly reduce its size thereby enabling it to fit within many common carrying articles, such as purses. The legs and support members fold flat against the seat of the stool, which itself is in two pieces and folds in half. | 03-26-2015 |
| 182153000 | Trestle | 14 |
| 20080236945 | ADJUSTABLE-HEIGHT SAWHORSE - The sawhorse has a body and an adjustable height horizontal load supporting beam vertically movable relatively to the body. A vertically extendible member can be used between the load-supporting beam and the body to adjust the vertical position of the load-supporting beam relative to the body, with an actuator to operate the vertically extendible member. The sawhorse can have a mechanism allowing to adjust the height of the load supporting beam while the sawhorse is supporting a load. An adjustable height unit for use assembled to a sawhorse body is also described. | 10-02-2008 |
| 20080236946 | Multipurpose sawhorse end frame - The multipurpose sawhorse end frame has a top section defining center and lateral slots for receiving 2″×4″ beams and central slots for 2″×12″ planks, a central section with center slots for receiving 2″×4″ beams and lateral support bars for supporting 2″×12″ planks, and a bottom section having feet for supporting the frame. A plurality of diagonal braces maintain rigidity of the end frame and provide the end frame with structural strength. Two or more end frames may be configured as a sawhorse, a scaffold, a workbench, a table, or other temporary construction accessory using scrap lumber and without fasteners. The multipurpose sawhorse end frame may be made from lightweight aluminum or other suitable material. | 10-02-2008 |
| 20090183948 | Multi-positional sawhorse device - An adjustable leg, collapsible sawhorse, wherein roller-style attachments are secured to multi-jointed, pivotable arms that are slidably related to the sawhorse support structure, wherein the roller-style attachments facilitate upload, support, cut and offload of a large workpiece, such as a 4′×8′ sheet of plywood, by a single person, and wherein the roller-style attachments hang unobstructively below the sawhorse support surface when not in use. | 07-23-2009 |
| 20090242329 | Sawhorse with Opposing Fixed and Moveable Sides - A foldable sawhorse | 10-01-2009 |
| 20100012432 | Collapsible Sawhorse - A collapsible sawhorse includes a center beam, a plurality of legs, a locking mechanism, and a bracket constructed in an offset or off-centered arrangement that allows the legs of the sawhorse to fold in an interlocking manner against the center beam. The sawhorse provides a user with a carpentry tool that is strong and may be easily transported, easily customized, and inexpensively manufactured. | 01-21-2010 |
| 20100224446 | Support Apparatuses, Interconnect Structures and Methods of Forming Interconnect Structures - An interconnect structure of a support apparatus. The interconnect structure includes a channel configured to receive a portion of a cross member. The interconnect structure further includes a pair of openings oriented relative opposite sides of the channel, each opening configured to receive a leg member of the support apparatus. The interconnect structure is a single-piece structure. | 09-09-2010 |
| 20110155506 | Sawhorse with cutting support platform - The design is for a sawhorse with a collapsible support platform to support material that is being cut-off or worked on. The support platform keeps the material that is being cut from falling and/or splintering at the end of the cut and reduces or eliminates the need for an addition person to support the portion of the material being cut-off or for the person doing the cutting to attempt to hold the material being cut-off with one hand while cutting with the other and creating an unsafe condition. The sawhorse with support platform does not necessarily eliminate the need for a second sawhorse to support the opposite end of the material being cut or worked on. The sawhorse can be provided with the platform on both sides to provide additional cutting or material support surface which may then eliminate the need for a second sawhorse. Additionally the cutting support platform can be provided as a separate accessory that can be mounted to various manufactures' available sawhorses. An augmentation to the support platform would be to provide a platform with a telescoping extension as shown in FIG. | 06-30-2011 |
| 20130075197 | Folding Sawhorse - A folding sawhorse created by two pivotally connected frames containing a plurality of stress bearing structures on their inner surfaces forms a 60 degree angle when locked in place by a locking shelf. The frame components include two parallel vertical members separated at a distance by an upper horizontal brace and parallel lower horizontal brace. A U-shaped load bearing support is connected to the upper surface of the upper horizontal braces and provides four surfaces across which a load may be distributed when the folding sawhorse is in use. The trapezoidal locking shelf is pivotally connected to the lower horizontal braces and contains a central hinge, allowing the shelf to fold when the sawhorse is collapsed along its central vertical hinge. | 03-28-2013 |
| 20150047926 | SAWHORSE - A sawhorse trestle has a discontinuous work-surface which is adjustable so as to provide a variable aperture between respective parts ( | 02-19-2015 |
| 182155000 | Legs foldable parallel to beam axis in all planes | 5 |
| 20090260921 | Folding sawhorse brackets - The folding sawhorse brackets are each formed of a single sheet of flat stock, formed to affix a rail therein and pivotally attach two legs thereto. All embodiments accept stock dimensions of lumber or other suitable materials for the rail and legs. A first configuration has two brackets, with one having its two leg pivots closer to the rail than the other. The closer legs fold immediately adjacent to the rail with the opposite legs folding outboard of the closer legs, with all legs and the rail lying in a compact parallel relationship when folded. A second configuration has two identical brackets, each bracket having one closer and one more distant pivot point from the rail. When two such brackets are assembled at opposite rail ends, they are in mirror image to one another with one closer and one more distant leg folding on each side of the rail. | 10-22-2009 |
| 20100163342 | FOLDABLE TRESTLE - The invention relates to a folding trestle having a folded position and a deployed position, said trestle comprising: a crossbeam having a longitudinal dimension and a transverse dimension that define a bottom face; first and second pairs of legs; and hinge mechanisms enabling the legs of each of the pairs of legs to be spaced apart from each other when the trestle is in the deployed position, and to extend against each other when the trestle is in the folded position, the hinge mechanisms also enabling each of the pairs of legs to pivot about a respective axis that is transverse to the crossbeam so that, in the folded position, the pairs of legs extend under said bottom face of the crossbeam. The invention is characterized in that the trestle further comprises a first locking device connecting one side of one of the legs of at least one of the pairs of legs to the crossbeam in order to lock said pair of legs in the deployed position relative to the crossbeam. | 07-01-2010 |
| 20100288585 | FOLDING SAWHORSE - A folding sawhorse includes an elongate plastic body having a top wall with an upper work surface, and a plurality of side walls, the walls defining a storage compartment. The folding sawhorse further comprises a plurality of metal legs that are pivotally disposed relative to the plastic body, the legs being movable between a deployed position wherein the legs are capable of supporting the plastic body in a condition for use, and a storage position in which the legs are folded so as to be substantially disposed in the storage compartment, wherein the metal legs forcibly engage with adjacent plastic surfaces of the plastic body when the legs are deployed. The folding sawhorse further comprises each leg pair comprising a first pivot axis allowing the pair of legs to be pivoted together outwardly from the storage compartment to an extended position, and a second pivot axis allowing pair of legs to be pivotally separated away from one another to the deployed position. The folding sawhorse may further comprise a handle portion recessed in the top wall so as not to project above the work surface. The folding sawhorse may further comprise a latch member pivotally connected with one of the side walls and latchable to an opposite of the side walls to lock the legs in the storage compartment | 11-18-2010 |
| 20110272213 | Collapsible Saw Horse - A saw horse may include a center beam, a first leg connected to the center beam, and a second leg connected to the center beam. The first leg may rotate and may traversely extend and retract to move between an open and a stowed position. The second leg may rotate and traversely extend and retract to move between the open and the stowed position. The saw horse may include a flexible axis biasing device to connect to the first leg. The saw horse may include a flexible axis biasing device to connect to the second leg. | 11-10-2011 |
| 20130048428 | Collapsible Stool - A collapsible stool with foldable legs as well as a foldable seat is disclosed herein. The stool collapses to greatly reduce its size thereby enabling it to fit within many common carrying articles, such as purses. The legs and support members fold flat against the seat of the stool, which itself is in two pieces and folds in half. | 02-28-2013 |
| 182156000 | Collapsible ladder | 21 |
| 20120160609 | COMBINATION LADDER, LADDER COMPONENTS AND METHODS OF MANUFACTURING SAME - Ladder configurations and components are provided including an outer rail assembly which is longitudinally adjustable relative to an inner rail assembly. The outer rail assembly may include a pair of spaced apart outer rails each fixedly coupled to an associated sleeve or sliding mechanism. Each sleeve is in turn slidably coupled to an inner rail of the inner rail assembly. The outer rails may be positioned and oriented at an acute angle relative to the inner rails so as to provide an increased base distance between the two outer rails. Support structures are also disclosed which are coupled at multiple locations along a rail member and at least one location of a rung. Additionally, ladder hinges are disclosed including hinge components configured to effectively transmit loads from associated rails. In one embodiment the hinge may include a pinch prevention mechanism. | 06-28-2012 |
| 20130292205 | LADDER - A ladder for use with heavy machinery such as farm equipment, the ladder having platform steps, the ladder being convertible between a deployed position for supporting a person or other load, to a storage, scaffold, or ramp position in which the steps lie in a generally planar arrangement. When deployed, the ladder steps remain parallel to each other. The ladder includes two frames, the frames pivotably connected by a plurality of platform steps, one of the frames being pivotably attached to a piece of heavy machinery. The frame nest within one another in the storage configuration. The pivotable attachment to the heavy equipment may be wheels on the ladder frame that engage horizontal tracks on the heavy equipment, allowing the ladder to be lifted up, the frames nested, and the ladder in the storage configuration slid along the tracks and stored. | 11-07-2013 |
| 20140190768 | STEPLADDERS AND RELATED METHODS - Stepladders and related methods of using and manufacturing stepladders are provided. In one embodiment, a stepladder is provided that comprises a top cap, a first assembly and a second assembly. The first assembly has a pair of spaced apart rails pivotally coupled with the top cap. The second assembly includes at least one rail pivotally coupled with the top cap. The first assembly and second assembly are configured to be displaced relative one another such that the stepladder is selectively positionable between a first, deployed state and a second, collapsed state. The first assembly, the second assembly and the top cap are cooperatively configured such that the at least one rail of the second assembly is at least partially nested within an envelope defined by the pair of spaced apart rails of the first assembly with the step ladder is in a collapsed state. | 07-10-2014 |
| 182157000 | Lazy tong type | 2 |
| 182158000 | Mechanical or power-extending means | 2 |
| 20090166129 | Power retractable stairway - A retract and pivot stairway assembly includes a drive and pivot mechanism, a stairway assembly and an opening cover. The operation is controlled with a push button wall switch that controls the drive mechanism. The drive mechanism uses rack and pinion gearing to retract and pivot the stairway. The stairway is guided on rollers on a pivot devices. The pivot devices also serve as a mounting apparatus for the opening cover. An emergency feature is provided with a guide bracket and hand crank. | 07-02-2009 |
| 20100051387 | LINKAGE-DRIVEN POWER STEP - A movable step apparatus that includes a mounting frame, at least one step, and a rotary drive mechanism is provided. The movable step apparatus also includes a drive link and a follower link. The drive link is operatively connected to the drive mechanism to move the at least one step between retracted and extended positions. The follower link is pivotally connected to the drive link and pivotally connected to the at least one step. The follower link drives the at least one step to extend and retract the at least one step. The movable step apparatus further includes at least one link pivotally connecting the at least one step to the mounting frame to move between the retracted and extended positions. | 03-04-2010 |
| 182159000 | Parallel moving side, pivoted rung or step | 13 |
| 20100236866 | STEPLADDER - A stepladder has a front frame, a rear frame, a bracket and multiple steps. The front frame has two front side rails and multiple rungs mounted between the front side rails. The rear frame is connected pivotally to the front frame and has two rear side rails, a crossbeam and a lock. The lock is mounted pivotally on the crossbeam. The bracket is connected pivotally and slidably to the rear frame and has multiple pivot pins. The steps are mounted pivotally on the bracket and are selectively and engaged respectively with the rungs of the front frame. The lock selectively hooks a pivot pin to stably lock the bracket for improved safety. | 09-23-2010 |
| 20110232998 | Step stool and method - A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool. There is the step of compressing a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar to allow the notches to fit over the crossbar. There is the step of exerting a force with the linkage assembly to maintain the crossbar in the notches when the stool is in the open position. | 09-29-2011 |
| 20120037453 | Collapsible ladder and method - The present invention provides a significant improvement to a ladder by making it light-weight and easily collapsible. Ladder rails slide back and forth over ladder rungs allowing the ladder to collapse to a fraction of its extended size. After collapse of the rails, the rungs fold up using a pivoting knuckle hinge. The pivot is specifically designed to pivot only one way to prevent accidents or collapse while the ladder is in use. This design allows the ladder to be compact and easily transportable. Similarly, the materials used to construct the ladder make it light-weight enough for most adults to carry easily. | 02-16-2012 |
| 20120061181 | EASY STEP EXAMINATION TABLE DEVICE - An exemplary embodiment is an assistive device for enabling individuals with limited mobility to step up to a generally horizontal patient support apparatus having: a pair of foldable frames each having a generally U-shaped vertical side frame. Each of the frames has a plurality of horizontal support members and is coupled to one or more horizontal support bars that are located at a rear of the device. A plurality of foldable steps is coupled to the frames. A method of a patient/user using the device described above includes the acts of: unfolding a folded device (if folded); placing the device with a rear portion facing and against an examination table or bed. Having the patient/user grip a pair of grips and placing a first foot on a lower step. The patient then places a second foot on an upper step with the first foot remaining on the lower step while maintaining his/her hands on the grips. The patient then places the second foot on the second step, thus having both feet on the upper step and in a standing position while gripping the grips. The patient then turns around on the upper step to face away from the examination table or bed while still gripping the grips and moving to a sitting position on the examination table. | 03-15-2012 |
| 20120073903 | STEPLADDER - A stepladder having front stiles with steps extending therebetween, rear stiles connected to the front stiles in a hinged manner, a connecting member extending between the top ends of the front stiles, and a U-shaped bracket, extending from the connecting member which can swivel and/or slide and which spans a plane extending transversely to the stepladder in the usage position. Connecting member has a through-hole, said through-hole enabling a connection to the cavity of the front stiles, each through-hole is penetrated by a respective side limb of the bracket, in a first position of the bracket the side limbs extend within the cavities and the cross limb be accommodated by the connecting member, and in a second position of the bracket, said bracket extends on the plane extending transversely to the stepladder and the side limbs extend outside the cavities and are supported at the ends on the connecting member. | 03-29-2012 |
| 20130292206 | Step Stool and Method - A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool. There is the step of compressing a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar to allow the notches to fit over the crossbar. There is the step of exerting a force with the linkage assembly to maintain the crossbar in the notches when the stool is in the open position. | 11-07-2013 |
| 20140190769 | Stepladder with Latch Stud and Method - A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder. | 07-10-2014 |
| 20140238778 | Step Stool and Method - A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool. There is the step of compressing a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar to allow the notches to fit over the crossbar. There is the step of exerting a force with the linkage assembly to maintain the crossbar in the notches when the stool is in the open position. | 08-28-2014 |
| 20140345974 | STOWABLE STEP SYSTEM - A collapsible step assembly includes at least one step and a plurality of stringers pivotally connected to corresponding pivot points associated with the step. The step assembly may interface with a slide assembly configured to receive the step assembly in sliding engagement when collapsed. Alternatively, the step assembly may interface with a hinge and bracket assembly | 11-27-2014 |
| 20150114754 | Folding and Self-Erecting Ladder - A folding, self-erecting ladder for use in the marine environment comprises two rigid side rails with holes for holding rungs. Bungee cord is thread through the rungs and rails to tension the rails toward each other top hold the rungs in the rail holes. The ladder can be folded by pulling the rails apart, allowing the rungs to leave the rail holes, and moving the rails closer to each other, trapping the rungs therebetween, and binding the folded ladder to hold it in the folded position. | 04-30-2015 |
| 20160017658 | Step Stool and Method - A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool. There is the step of compressing a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar to allow the notches to fit over the crossbar. There is the step of exerting a force with the linkage assembly to maintain the crossbar in the notches when the stool is in the open position. | 01-21-2016 |
| 182161000 | Plural element stile | 2 |
| 20080251319 | FLAT-FOLD STEP STOOL - A step unit includes right and left step frames and two steps coupled to the right and left step frames. | 10-16-2008 |
| 20110024234 | Ladder Chair - A ladder chair comprises a retaining unit disposed in a first step plate, and the retaining unit includes a knob, a spring, and a fastening piece; wherein the fastening piece is inserted in a notch and a recess of the first step plate, and one end of the fastening piece is connected with the knob, and the other end thereof engages with the first rear pivot of the first step plate by using a U-shaped hook; the knob is inserted in a cutout and extends out of the first step plate. Therefore, no matter the ladder chair is in expanding or retracting state, the ladder chair is locked securely as the knob is not pressed to obtain safety. | 02-03-2011 |
| 182163000 | Folding stile | 3 |
| 20080257645 | COMBINATION LADDER, LADDER COMPONENTS AND METHODS OF MANUFACTURING SAME - Ladder configurations and components are provided including an outer rail assembly which is longitudinally adjustable relative to an inner rail assembly. The outer rail assembly may include a pair of spaced apart outer rails each fixedly coupled to an associated sleeve or sliding mechanism. Each sleeve is in turn slidably coupled to an inner rail of the inner rail assembly. The outer rails may be positioned and oriented at an acute angle relative to the inner rails so as to provide an increased base distance between the two outer rails. Support structures are also disclosed which are coupled at multiple locations along a rail member and at least one location of a rung. Additionally, ladder hinges are disclosed including hinge components configured to effectively transmit loads from associated rails. In one embodiment the hinge may include a pinch prevention mechanism. | 10-23-2008 |
| 20150060204 | Portal Ladder - A foldable ladder has multiple ladder segments that fold and unfold relative to each other. Each ladder segment includes one rung element and multiple side rail sections that unfold for deployment to form box-shaped side rails of the ladder. Adjacent ladder segments are connected to each other by hinge joints. The ladder includes locking features at the hinge joints for preventing relative pivoting movement of adjacent ladder segments by more than about 180 degrees. | 03-05-2015 |
| 20160153231 | FOLDABLE LADDER | 06-02-2016 |
