Abstract: A collapsible leg assembly that includes a first leg having an upper portion and a lower portion; a second leg having an upper portion and a lower portion; a crossbar extending between the lower portions of the first and second legs, wherein the crossbar further includes a first section and a second section that are either flexibly connected to one another or detachably connected to one another; an upper leg receptacle that is adapted to receive the upper portion of the first leg in a hinged manner and the upper portion of the second leg in a hinged manner; a first lower leg receptacle that is adapted to receive the bottom portion of the first leg in a fixed manner and the first section of the crossbar in hinged manner; and a second lower leg receptacle that is adapted to receive the bottom portion of the second leg in a fixed manner and the second section of the crossbar in hinged manner.

Abstract: A single-axis tracker supported by multiple A-frame-shaped single-truss foundations that translate lateral loads into axial forces of tension and compression, and at least one truss foundation supporting the torque tube drive motor or other tracker component subject to axial loads to provide support for lateral loads as well as loads oriented along the axis of the torque tube.

Abstract: An upgrade kit for an original roll-bar of a historic single-seater car, comprising an additional roll-bar with the shape of an inverted U or V and identifying second two ends operatively lower, and wherein each of said second two ends is adapted to be associated with first two ends of said original roll-bar by means of reversible connection means and at least one additional bracing rod adapted to be connected between a vertex of said additional roll-bar and said frame or an engine block of said historic single-seater car; the additional roll-bar being operatively superimposed to said original roll-bar.

Abstract: A truss foundation for single-axis trackers that is optimized to resist moments. For foundations that experience lateral loads as well as moments, the foundation supports the rotational axis via a moment connection that is deliberately offset below the work point to reduce the impact of the bending moment. Spacing between the truss legs and the angle of the legs impact the height of the truss work point and, by extension, the available offset below the work point down to the minimum height of the axis of rotation specified by the tracker maker.

Abstract: A work scaffold having a platform and leg assemblies rotatably attached to each end of the platform. The platform may have a handle connected to free end that extends out the sides of the platform, which engage with links attached to the leg assemblies and the platform to lock the scaffold in an open or closed position. The platform may have hooks that extend out beyond the ends of the platform from under the platform so a second work scaffold can be situated on the hooks. The platform may be formed of boards with holes that receive cross members. A method for using a work scaffold. A method for forming a work scaffold.

Abstract: 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.

Abstract: An office-type chair includes a base, a height-adjustable pedestal extending upward from the base, a seat assembly including a rear seat part and a front seat part, and a linkage system connecting the pedestal to the seat assembly. The linkage system is adapted to pivot the seat assembly between a lowered position to serve as a task chair and an elevated position to serve as an elevated sitting support. A backrest arrangement may extend from the seat assembly. In the lowered position, the front and rear seat parts are both generally horizontally oriented. In the elevated position, the rear seat part may have a slight forward tilt and be positioned higher than in the lowered position, and the front seat part may extend at a downward angle relative to the rear seat part.

Abstract: An A-frame shaped truss foundation system for a single axis tracker with moderately sloped legs that translate lateral loads into tension and compression without substantially increasing the magnitude of the lateral load force while optimizing material usage. Several such truss foundation systems are installed in a row to support a torque tube of a single-axis solar tracker. An adapter joins ends of adjacent upper legs and separates the truss legs by an angle more than 35-degrees up to 70-degrees.

Abstract: An A-frame-shaped truss foundation system for a single-axis tracker with a bearing assembly sitting atop a pair of adjacent angled truss legs joined together with an adapter so that the axis of rotation of the tracker is aligned with a work point of the A-frame. Several such foundation systems are arranged along a North-South row to support a tracker torque tube.

Abstract: A Pilates reformer accessory that couples with a Pilates reformer. The accessory includes a jumpboard, and in some embodiments, it also includes a ballet bar attachment. Jumpboards of the inventive subject matter have several regions on a surface that help a user practice jumps while using the Pilates reformer. The ballet bar attachment can be coupled with the jumpboard, and the ballet bar attachment can include a latching hinge that enables the ballet bar attachment to be easily repositioned relative to the jumpboard.

Abstract: An adjustable support bracket assembly that includes a first section having a first inner support bracket having a stem and flange receiving region formed therein; a center support section formed integrally with the first inner support bracket that further includes a first locking edge opposite the a first inner support bracket; and a first outer support bracket adapted to be attached to the first inner support bracket that also includes a stem and flange receiving region formed therein; and a second section, detachably connected to the first section that includes a second inner support bracket, having a stem and flange receiving region formed therein; a center support section formed integrally with the second inner support bracket that further includes a second locking edge formed thereon opposite the second inner support bracket; and a second outer support bracket adapted to be attached to the second inner support bracket that also includes a stem and flange receiving region formed therein.

Abstract: Disclosed is a tripod. The tripod comprises a base body, a plurality of tripod tubes and a plurality of connecting components. An end of each tripod tube is pivotally connected to the base body. The plurality of tripod tubes is pivotally operated in relation to the base body either at a folded state or at an expanding state. The other end of the plurality of tripod tubes get being close to each other so as to be folded in the folded state, and the other end of the plurality of tripod tubes get being far from each other so as to be expanding in the expanding state. Each of the plurality of connecting components is pivotally connected between the tripod tubes adjacent to each other.

Abstract: A portable, lightweight, folding, wooden, sawhorse which utilizes precision wood joinery, wood screws, and glue to greatly increase vertical strength, lateral strength, and the rigidity of the sawhorse which significantly exceeds the vertical strength, lateral strength, and rigidity of larger, heavier sawhorses.

Abstract: A ground mounted solar power assembly having at least one solar panel having a support beam connected to the back of the solar panel. A plurality of legs have a bracket at one end that receive the support beam. Finally, an eccentric handle is connected to the bracket to permit selective rotation of the support beam within the bracket.

Abstract: 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.

Abstract: An apparatus for manufacturing a semiconductor device includes a holder for holding a carrier and a supporting base for receiving the holder comprising a recess for accommodating a plurality of balls mounted on a surface of the carrier. Furthermore, a method of manufacturing a semiconductor device includes providing a carrier, providing an apparatus comprising a supporting base including a recess, holding the carrier on the supporting base and accommodating a plurality of balls mounted on a surface of the carrier in the recess.

Abstract: A work bench support bracket with first and second opposed, generally upright sockets for receiving wood members is joined to first and second telescopically interconnectible, generally horizontal sockets, respectively. First and second clamping sets are also joined to the first and second generally upright sockets, respectively. Each of the clamping sets comprises an upper releasable chimp and a fixed lower brace member. The upper releasable clamp comprises a grip pivotably attached to the upright socket, a connector extending from the grip, and a handle pivotably connected to the connector. The work bench support bracket provides for the secure attachment of the wood members and reduces the likelihood of an accidental release of the wood members.

Abstract: A liftable hospital bed, comprising a bedplate base (1) and a bed leg rod (2), the upper end of the bed leg rod (2) being connected to a second roller device (7) which can slide in a track (8) on the bedplate base (1); a turning mechanism is also provided to change the included angle between the bed leg rod (2) and the bedplate base (1) in order to lift or lower the bedplate base (1), the turning mechanism including a connecting rod, which is hinged at the upper end thereof to the bedplate base (1), and a pushing mechanism (5) for pushing and turning the connecting rod (4); the lower end of the connecting rod (4) is fixedly bonded to a first connecting plate (6) which has a first sliding slot (61) and a second sliding slot (62) crossed with each other; a first pin shaft (91) and a second pin shaft (92) on the bed leg rod (2) are slidably provided in the first sliding slot (61) and the second sliding slot (62).

Abstract: The invention provides a sawhorse comprising a base assembly movable between a folded position for storage and an open position for use and a workpiece support assembly having a workpiece supporting surface which faces upwardly when the base assembly is in the open position for use thereof, said workpiece support assembly being mounted on the base assembly for vertical movement in opposite directions with respect to the base assembly through a range of vertical positions. The base assembly and the workpiece support assembly has a cooperating structure operable to enable the workpiece support assembly to be manually moved in said opposite directions into a selected vertical position with respect to the base assembly, which adjustably engages the workpiece support assembly in the selected vertical position and which is operable to move the workpiece support assembly when the base assembly is in the folded position or in the open position.

Abstract: Described herein are solar apparatus support structures, apparatus and systems as well as methods of installing and using the solar apparatus structures, apparatus and systems.

Abstract: A sawhorse trestle has a discontinuous work-surface which is adjustable so as to provide a variable aperture between respective parts (2, 12) of the work-surface. Thus, the trestle may comprise two half-trestles (10, 20), each comprising two hinged frames (1, 11) topped by a horizontal support member (2, 12) providing part of the work-surface, those half trestles (10, 20) being connected by adjustable, such as slideable, connecting means (3).

Abstract: A saw horse apparatus is disclosed that includes a first component and a second component. The first component comprises a first leg, a second leg, and a first cross member. The second component comprises a third leg, a fourth leg, and a second cross member. Further stabilization may be provided by a third cross member. The end of third leg and the end of the fourth leg are rotatably connected to the first cross member.

Abstract: Brackets for photovoltaic (“PV”) modules are described. In one embodiment, a saddle bracket has a mounting surface to support one or more PV modules over a tube, a gusset coupled to the mounting surface, and a mounting feature coupled to the gusset to couple to the tube. The gusset can have a first leg and a second leg extending at an angle relative to the mounting surface. Saddle brackets can be coupled to a torque tube at predetermined locations. PV modules can be coupled to the saddle brackets. The mounting feature can be coupled to the first gusset and configured to stand the one or more PV modules off the tube.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A knock-down sawhorse has a support beam supported above a surface by at least two pairs of legs, each pair of legs supporting opposing ends of the beam. The beam has at least four connectors, at least a first pair of connectors arranged on opposing lateral side walls at one end and at least a second pair of connectors arranged on opposing lateral side walls at the other opposing end. Each connector has a tab downwardly depending from a top wall of the beam for engaging an axially-extending recess in an upper end of each leg. Each pair of legs is interconnected by an adjuster for adjusting a lateral spacing therebetween. Manipulation of the lateral spacing between each pair of legs allows a working height of the sawhorse to be manipulated, allowing the sawhorse to be leveled.

Abstract: 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.

Abstract: A-frame carriers are used to support slabs and bundles of stone, cases of glass and many more items. A foldable and collapsible A-frame carrier, which is easily assembled for use or disassembled for storage or transport provides more effective support.

Abstract: The present invention provides a frame having variable dimensions, comprising a plurality of telescoping legs arranged in first and second pairs, with each leg of said first pair being rotatably coupled together and each leg of said second pair being rotatably coupled together; and a scissor link mechanism coupled between the legs of said first and second pairs to vary a length of said plurality of legs in response to a distance between said first and second pairs varying. In one embodiment one end of each of said legs of said first pair is rotatably coupled together and one end of each of said legs of said second pair are rotatably coupled together. In this manner, the dimensions of the frame may be varied to accommodate support of a flexible body, such as a plastic bag, paper sack, fabric sack and the like to provide the same with a desired volume and/or an opening of the same with desired dimensions.

Abstract: A sawhorse having a pair of legs supporting a beam and a pair of corresponding cantilevered support member with each hingedly attached across the beam members whereby the legs can be divergently extended with a spanner fastened to opposing legs restricting the angular separation. The user selectively moves one or both of the fold outs as needed creating a desired work surface on a horizontal plane.

Abstract: 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.

Abstract: A collapsible stand includes a platform for supporting a machine, two first legs each having a top end pivotally connected to the platform, two second legs each of which is pivotally connected to each first leg and has a top part slidably inserted through a sleeve of the platform, at least one springy or biasing member and a locking device. The springy or biasing member is retained in a sleeve-like or coaxial manner on retained in a sleeve-like manner one of the second legs. The locking device is connected to the platform for fixing the second legs in position after spreading the stand open such that the first legs and second legs support the platform at a predetermined height.

Abstract: 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.

Abstract: An apparatus and method, for supporting a work piece, utilize an expandable articulated support frame having a plurality of telescopic columns arranged in rows and interconnected by a plurality of connecting rods pivotably connected to each other and the telescopic columns at intersections thereof, with upper ends of the telescopic columns being adapted for supporting the work piece thereupon.

Abstract: Portable apparatus for receiving and supporting scuba diving tanks when not in use. A collapsible or folding sawhorse supports an overlying scuba tank caddy. The caddy includes a horizontal top panel and a horizontal lower panel disposed below the top panel. The top panel has one or more openings adapted to receive a scuba tank. Each scuba tank, when inserted through an opening in the top panel, is supported by the lower panel, which in turn is supported by the sawhorse whereby the tank is maintained upright within the caddy and at a height suitable for a diver to mount a tank from the caddy to his back and vice-versa. In one embodiment, intended for two or more divers who each wear a single scuba tank, the openings are spaced about two feet apart. In an alternative embodiment, intended for a diver who wears dual scuba tanks, the openings are spaced about six inches apart.

Abstract: 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.

Abstract: A foldable sawhorse 100 is supported by four legs F1, F2, M1, M2 attached directly under a horizontal work support piece 2. A horizontal notch 3 or void runs along the lower corner of the horizontal work support piece 2 on the fixed side of the sawhorse and accepts an upper cross member F3. The two legs F1, F2 on the fixed side are rigidly secured to the horizontal work support piece 2, the upper cross member F3 and two support brackets 6. Two or more barrel hinges 4 are placed under the horizontal work support piece 2 and each hinge 4 has a plate 5 secured to a fixed leg F1, F2 and a plate 6 secured to a moving leg M1, M2. An optional folding shelf structure F4, M4 may be secured upon the legs in a position lower than the horizontal work support piece 2. The sawhorse folds into a near flat configuration that is conveniently stackable with other sawhorses of the same configuration.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A support structure has a first leg, a second leg, eg, a second leg, a third leg and a fourth leg. Each of these legs has a top portion, a center portion, and a bottom portion. The first leg includes a first hinge and a first stop. The first hinge connects the first leg center portion and the second leg center portion. The first hinge allows rotation of the second leg with respect to the first leg. The first leg center portion includes the first stop for limiting the rotation of the second leg with respect to the first leg.

Abstract: A collapsible work horse has legs pivotally mounted to opposing surfaces of a support beam. The legs are secured in the extended position by a two-part locking arrangement. In one non-limiting embodiment of the invention, a first part of a locking arrangement is mounted to each of the first ends of the legs adjacent the pivot point of its respective leg, and a second part of the locking arrangement is mounted to the supporting member. When the legs are in the extended position, the first and second parts of the locking arrangement engage one another to securely fix the legs in the extended position. In another non-limiting embodiment of the invention, a plurality of work horses are assembled with a tool support and work piece supports to provide a work station. The tool support and work piece supports are designed to be fixable in a compact storage arrangement.

Abstract: An apparatus and method, for supporting a work piece, utilize an expandable articulated support frame having a plurality of telescopic columns arranged in rows and interconnected by a plurality of connecting rods pivotably connected to each other and the telescopic columns at intersections thereof, with upper ends of the telescopic columns being adapted for supporting the work piece thereupon.

Abstract: A portable sawhorse which comprises first and second beam sections which are pivotally connected together to form a storage housing, first and second leg assemblies at respective distal ends of said first and second beam sections, said first and second leg assemblies being pivotally connected so as to be storable within said beam sections, and reinforcing members extending between first and second leg assemblies to stabilize the same when in an opened condition.

Abstract: An improved support apparatus for use in many manufacturing operations. The improved apparatus may be used as a workbench having an open upper region to assist in such operations as drilling and cutting. The apparatus can accommodate a large variety of sizes and shapes of workpieces and comprises a highly portable unit.

Abstract: A three-piece stabilizing and adjustable bracket member for constructing an A-frame style swing set/play set system, ideal for erection by a do-it-yourself builder. The system includes a first cross beam securing member that features a face plate for selectively mounting a pair of angularly disposed leg support members. The face plate is provided with a single pivotal fastener and plural openings spaced an equal distance from the single pivotal fastener, such that the leg support members may be selectively pivoted about the fastener then secured in one or a pair of the plural openings.

Abstract: A lightweight and portable, yet strong and stable support device formed from a horizontal support member, a set of leg members, and a collapsible attachment mechanism. The present device is easily modified between its collapsed and support position, thereby providing for efficient and use. In its collapsed position, the device may be easily moved from place to place. In its extended position, the device provides for excellent stability in withstanding sheer and lateral forces with respect to its support frame.

Abstract: A workbench frame having spanning element with a stringer portion and a shelf portion with a bend extending along an entire length between the stringer and shelf portions. The stringer and shelf portions each accommodate fastening elements that secure to opposite leg assemblies to provide stability, support and storage space.

Abstract: A self-stabilizing trestle includes independently pivoting leg assemblies, which allow a substantially horizontal support surface defined by the trestle to be maintained stable when the trestle is placed on uneven terrain.