Abstract: A modular cover panel including two or more cover panels that cover a parapet or barrier along a roadway. Multiple cover segments may overlap one another to form the modular cover panel and each cover panel is individually hung or suspended by brackets affixed to the parapet. Each cover segment has one more surfaces intersecting with other to cover the parapet and a top surface that overhangs a top surface of the parapet. A cable may be disposed through a slot of a hanging bracket and a pin may secure the cable thereby providing a mechanical attachment to the assembly.

Abstract: A compact joint for connecting a first panel to a second panel of furniture and other furnishing items, positioned perpendicular to each other, includes a plurality of interconnection and blocking components for joining and firmly blocking the two panels together. The plurality of components of interconnection and blocking components lies on the same plane, which is perpendicular to the first and second panels and which contains a coupling axis between the first and second panels that travels inside the first panel. The joint also defines an actuation axis that is perpendicular to the coupling axis and lies on a plane parallel and interspaced with respect to the first panel and perpendicular with respect to the second panel.

Abstract: A bayonet coupling for mounting of a tool on a drive shaft of a machining unit. The drive shaft is connected to the tool via a bayonet coupling, which includes two coupling parts. The one coupling part is provided with a receiving groove for an engaging tab placed on the other coupling part. The receiving groove has a first section with an extension parallel to the axis of rotation and the second section of the receiving groove has an extension transverse, perpendicular, to the axis of rotation, so that the tool is driven via the engagement of the bayonet coupling.

Abstract: An improved joint is provided for modular furniture. The joint includes a dovetail shaped tab and a corresponding slot. The tab is held in the slot such that the tab is maintained in an elastically bent position while the item of modular furniture is in an assembled configuration. The tab and slot provides increased stiffness and rigidity to the piece of furniture while allowing the piece of furniture to be assembled without fasteners such as screws or nails.

Abstract: A universal socket structure includes a female seat, a joint member, at least one engaging member, and an elastic member. A coupling end the female seat is recessed to form an accommodating trough. Two opposite sides of the accommodating trough are formed with grooves extending along an axial direction of the female seat. The female seat has at least one coupling portion. The joint member has one end formed with a spherical head. Two opposite sides of the spherical head has protrusions protruding from an outer periphery of the spherical head. The spherical head is accommodated in the accommodating trough. The protrusions are accommodated in the grooves. The engaging member is disposed in the coupling portion and movable from the coupling portion toward the accommodating trough. The elastic member is disposed in the accommodating trough for pushing and supporting the spherical head to engage with the engaging member.

Abstract: An open triangle made of rigid material planes each joined ninety degrees to one another and of sufficient thickness, rigidity, precision and construction for the triangle as a whole to serve as a brace for clamping, aligning, and joining workpieces, especially three workpieces at ninety degrees to one another; the opening of the triangular brace serving as a space for the operation of joining the workpieces, especially joining by means of high-heat welding but also by other means of joining, like drilling and fastening with bolts; the triangular brace being constructed of one piece, or a plurality of pieces in which one plane or all planes of the brace are removable and re-attachable, or rotatable in and out of position, by means of screws, bolts, pins, interlocking tongue-and-groove, magnets, axle for rotation, or other secure means.

Abstract: A joint structure includes a first member having a fit-in groove, a second member made of a material different from a material of the first member and having an insertion section to be inserted into the fit-in groove, and a plurality of bonding layers having different hardness and formed between the fit-in groove and the insertion section.

Abstract: A lock catch comprises: a first lock catch portion, comprising: a first housing and a first connection portion arranged in the first housing; and a second lock catch portion, comprising: a second housing, a surface of the second housing includes a first and second insert hole; a rotary draw-bar assembly arranged in the second housing and comprising a draw-bar and rotation portion arranged on the draw-bar, the rotation portion and the first insert hole arranged oppositely, one end of the draw-bar includes a second connection portion matching the first connection portion, another end of the draw-bar includes a fixed connection portion, and the second connection portion connected to the first connection portion by the rotation portion driving the draw-bar to rotate, and a fixed shaft, arranged in the second housing and opposite the second insert hole, the fixed shaft locked with the fixed connection portion by rotating a specified angle.

Abstract: A tube assembly includes at least first and second tubes configured for coupling at respective ends. The first and second tubes each include a base material, and a weld interface at the respective end. The weld interface is proximate to an inner diameter and an outer diameter of the first and second tubes, and includes a weld interface segment extending therebetween. A work hardened weld assembly couples the base material of each of the first and second tubes. The work hardened weld assembly includes a weld fusion zone between the weld interfaces of the first and second tubes and the weld interface segments of the first and second tubes. The weld fusion zone is work hardened and at least the weld interface segments of the first and second tubes are work hardened between the work hardened weld fusion zone and the base material of the first and second tubes.

Abstract: A profile assembly having a first profile and having a second profile connected on its long side to the first profile, which two profiles each have a hook strip integrally formed on the long side, wherein the hook projection of the hook strip of the first profile points in the one direction, and the hook projection of the hook strip of the second profile points in the opposite direction, the hook strips brought into engagement with one another in a claw-like manner. The first profile has an anchoring channel following its longitudinal extent, and the hook strip of the second profile has a clamping strip which is integrally formed thereon, which hook strip is secured by its hook projection and its clamping strip in the anchoring channel of the other profile by a cold joining connection.

Abstract: A jointed member may include a first elongate section having a surface defining a first oblong opening, a second elongate section having a surface defining a second oblong opening, and a fastener passing through the first oblong opening and the second opening to connect the first elongate section and the second elongate section, where the first oblong opening and the second oblong opening move relative each other and the fastener as the jointed member transitions from a first predetermined state towards a second predetermined state.

Abstract: A joint structure includes: a first steel plate; a second steel plate disposed along the first steel plate; a laser welding part that joins together a joint face part, which configures a first part of the first steel plate, and the second steel plate from one side in a plate thickness direction of the first steel plate and the second steel plate; and a fastening member that is screwed into, and fastens together, the second steel plate and a general face part from the one side in the plate thickness direction, the general face part configuring a second part of the first steel plate, being provided adjacent to the joint face part, and being disposed so as to be spaced apart from the second steel plate at the one side in the plate thickness direction.

Abstract: A power transmitting device includes a first rotor and a second rotor rotatably disposed coaxially with a rotational central axis and in facing relation to each other, a single arc spring that is elastically deformable to a large extent and has a small modulus of elasticity, the arc spring being interposed between the first rotor and the second rotor for urging the first rotor and the second rotor to opposite sides in a ration direction, a first pressing protrusion projecting from the first rotor and a second pressing protrusion projecting from the second rotor, the first pressing protrusion and the second pressing protrusion being disposed in relative positions on superposed rotation trajectories, and a rubber member that is elastically deformable to a small extent and has a large modulus of elasticity, the rubber member being interposed between the first pressing protrusion and the second pressing protrusion with gaps therebetween.

Abstract: Panels are shown, which are provided with a mechanical locking system including a separate and flexible tongue allowing connection with a snap action. An outer edge part of the separate flexible tongue includes a guiding protrusion for disassembly of the panels and that is deformed during locking and/or unlocking.

Abstract: The disclosure relates to a quick-release device for a tractor PTO shaft, including a first body having a first outer surface and a second outer surface and a first thickness disposed therebetween; a plurality of slots defined on the first body; a second body having a third outer surface and a fourth outer surface and a second thickness disposed therebetween; and a plurality of extensions extending from the second body, wherein the plurality of extensions are configured to removably engage with the plurality of slots.

Abstract: A one-piece metal plate foundation suitable for guardrails and other structures includes a longitudinally extending main plate body; a rear flange extending at an angle from at least a longitudinal portion of the main plate body in a first direction at a rear edge of the main plate body; a front flange extending at an angle from a longitudinal portion of the main plate body in a direction opposite the first direction at a front edge of the main plate body; an integral offset spacing plate coupled to a front edge of the main plate body above the front flange and extending laterally forward of the front flange; and a mounting flange extending at an angle from at least a longitudinal portion of the offset spacing plate at a front edge of the offset spacing plate, wherein the mounting flange is configured for mounting of a guardrail.

Abstract: A joint assembly (10) including a female member (12), a male member (40) and a retaining member (60). The female member has a first axial end (18), a second axial end (20) and a cylindrical body portion (14) extending between the first axial end and the second axial end having a splined radially inner surface. The male member has a first axial end portion (42), a second axial end portion (46), and a splined tubular portion (44) extending between the first axial end portion and the second axial end portion. The retaining member (60) includes an annular portion and a plurality of attachment features defining an aperture. The second axial end portion of the male member has a circumferential groove (48) on the outer surface thereof. The second axial end portion of the male member extends through the aperture of the retaining member and the attachment features extend into the groove of the male member.

Abstract: A rotation joint structure includes a fixed joint, a movable joint, a first limit member, and a second limit member. The fixed base has a locking groove. The movable joint is pivotally connected with the fixed joint. The movable joint has a first slideway and a second slideway connected to each other. The first limit member is movably mounted in the first slideway. The second limit member is movably mounted in the second slideway. When the second limit member is locked in the locking groove, and the first limit member stops the second limit member, the movable joint is locked and cannot be rotated. Thus, the movable joint is disposed at a two-stage locking state.

Abstract: A gusset structure includes a body having a plate contacting end forming a plate mating surface, and extending from the plate contacting end to a distal end. The body defines a tube mating surface extending between the plate contacting end and the distal end. The plate mating surface engages a plate. The tube mating surface includes a first surface portion and a second surface portion forming an interior surface angle therebetween. The interior surface angle has a vertex disposed on a vertex axis, which intersects the plate mating surface. The first surface portion engages a first side wall of an elongate member. The second surface portion engages a second side wall of the elongate member. The body flares outward from the distal end toward the plate contacting end to distribute stress in the plate from the corner of the elongate member over a larger area.

Abstract: A ball channel and ball channel assembly are disclosed with the ball channel having a channel top, a channel bottom, and an inner portion including a first inner sidewall, a second inner sidewall, a first end wall, and a second end wall. A first resilient tab extends from the first inner sidewall with a first tab end surface, and a second resilient tab extends from the second inner sidewall with a second tab end surface. An elongated gutter extends longitudinally along the inner portion and adjacent the channel bottom, wherein the combination of the first and second tab end surfaces and a gutter top surface form a ball track for receiving a head of a ball stud and allowing secured sliding longitudinal movement of the head. An outer portion is also provided having a flange wall that is configured to engage a receiving wall of a mounting panel.