Abstract: A cabinet includes four upright members having a triangular section and including two outer boards, an inner board, and two longitudinal groove formed at a joining portion of a first end of the inner board and an end of one outer board and at a joining portion of a second end of the inner board and an end of the other outer board respectively, the inner board including an upper first through hole and a lower second through hole; a plurality of board members each including four through holes at four corners respectively; a plurality of fastening devices at the through holes of the board members respectively, each fastening device including a hook assembly and a bolt and nut combination for securing the hook assembly, the upright member, and the board member together; and three board elements each disposed between the grooves of two adjacent upright members.

Abstract: A cabinet includes at least one hook on a rear end of a bottom of a drawer. Turning a rod in one direction turns a pushing member which in turn lifts sliding members along poles via a linking bar so that the hook may pass an aperture of the pole and a hole of the sliding member in an unlocked position of the drawer. To the contrary, turning the rod in the other opposite direction turns the pushing member which in turn drops the sliding members so that the hook is blocked from passing the aperture of the pole and the hole of the sliding member in a locked position of the drawer.

Abstract: A self-assembly cabinet includes a box including a rectangular front frame, a rectangular rear frame, two rectangular side frames interconnecting the front frame and the rear frame, a top frame on tops of the front frame, the rear frame, and the side frames, and a bottom frame on bottoms of the front frame, the rear frame, and the side frames; a plurality of latches secured to four corners of an inner surface of each side frame respectively; and a plurality of cooperating fastening structures secured to four corners of an inner surface of each of the front frame and the rear frame respectively. The latches are releasably secured to the cooperating fastening structures respectively so that the side frames, the front frame, and the rear frame are assembled.

Abstract: A cabinet is provided with drawers; two front corner posts; a rear panel; two side panels; a first side frame secured to one side panel and including two hollow corner posts attached to one front corner post and the rear panel respectively, a top bar interconnecting upper portions of the hollow corner posts, a bottom bar interconnecting lower portions of the hollow corner posts and secured to one side panel, a board disposed between the hollow corner posts, the top bar, and the bottom bar, and a push handle secured to both the top bar and on side panel; and a second side frame secured to the other side panel. Hand tools can be stored in the first and second side frame. The hollow corner posts are cushioned.

Abstract: A cabinet includes a crane including an attachment board secured to the cabinet; a receptacle on the attachment board and including threaded holes; a hollow member on the attachment board; an outrigger on bottom of the attachment board and including a slot, a rear sliding tube, a caster mounted to a bottom of a rear end of the sliding tube, and a rod releasably secured to the sliding tube and in the slot; a boom having one end pivotably secured to the hollow member and including threaded holes, an extension extending from the other end and threadedly secured to the boom, a chain at an end of the extension, and two guard members a front portion of the boom; and an adjustable boom hoist having one end releasably secured to the threaded hole of the boom and the other end releasably secured to the threaded hole of the receptacle.

Abstract: A cabinet includes a crane including an attachment board secured to the cabinet; a receptacle on the attachment board and including threaded holes; a hollow member on the attachment board; an outrigger on bottom of the attachment board and including a slot, a rear sliding tube, a caster mounted to a bottom of a rear end of the sliding tube, and a rod releasably secured to the sliding tube and in the slot; a boom having one end pivotably secured to the hollow member and including threaded holes, an extension extending from the other end and threadedly secured to the boom, a chain at an end of the extension, and two guard members a front portion of the boom; and an adjustable boom hoist having one end releasably secured to the threaded hole of the boom and the other end releasably secured to the threaded hole of the receptacle.

Abstract: A folding drawer includes a bottom board; two side panels each including a slide and an L-shaped positioning member on a top of a rear end; a rear panel including two U-shaped grooves on two sides respectively, and two flexible projections each adjacent to the U-shaped groove wherein the L-shaped positioning member is configured to dispose in the U-shaped groove; a front panel; a first hinge on a joining portion of a rear surface of the rear panel and a bottom of the bottom board, a second hinge on a joining portion of an inner surface of one side panel and a top of the bottom board, and a third hinge on a joining portion of an inner surface of the other side panel and the top of the bottom board.

Abstract: A cabinet includes drawers each having a rear latch; and a key driven internal locking device including a rod including a front key hole and a rear bent member; a longitudinal member secured to an inner surface of a rear end of the cabinet and including a longitudinal groove; a sliding member slidably disposed in the longitudinal groove and including rectangular openings on a front surface, a protrusion on a top of the sliding member, and an upper driven member secured to the front surface of the sliding member and having a through hole with the bent member passing through; fastening plates each secured to two sides of the longitudinal member wherein the uppermost fastening plate has a pivot hole with the rear end of the rod passing through into the longitudinal member; and a concave member in an upper portion of the longitudinal member.

Abstract: A wheeled cabinet includes a container including compartments, a rear handle, drawers, and a storage between the drawers and a base; a pneumatic assembly including an inlet, connectors, a pneumatic cylinder on the base, a piston rod configured to move alternately upward and downward relative to the cylinder, and a controller for activating the cylinder; a lifting assembly including two opposite rails upwardly disposed on two sides of the base respectively, and an inverted U-shaped frame member slidably disposed on the rails and having an underside of a top secured to the piston rod; and a tire support assembly including a support secured to the frame member, two slides on two sides of the support respectively, a sliding tray secured to the slides, a slot on an inner surface of the tray, a moveable tab in the slot, and two rollers on two sides of the tray respectively.

Abstract: A takedown utility cart includes rectangular platforms each having four corners, each platform including a main panel having four beams; four sets of post sections, each set secured through one corners of the platforms; two side walls each threadedly fastened between sides of two adjacent platforms; a rear panel having two sides threadedly secured to rear ends of the side walls respectively so that an open space is defined by the platforms, the side walls, and the rear panel; at least one drawer retractably mounted in the space; and a lock assembly mounted on the rear panel for locking or unlocking the drawer.

Abstract: A cabinet is provided with a housing including a rear wall, a first side wall, a second side wall opposite to the first side wall, a bottom, a top frame member, and a front frame member, and two sliding doors, each disposed on the top frame member, the front frame member, and one of the first and second side walls. The housing is shaped as a truncated trapezoid in its side elevation.

Abstract: A takedown utility cart includes rectangular platforms each having four corners, each platform including a main panel having four beams; four sets of post sections, each set secured through one corners of the platforms; two side walls each threadedly fastened between sides of two adjacent platforms; a rear panel having two sides threadedly secured to rear ends of the side walls respectively so that an open space is defined by the platforms, the side walls, and the rear panel; at least one drawer retractably mounted in the space; and a lock assembly mounted on the rear panel for locking or unlocking the drawer.

Abstract: A readily stretchable/contractible and locatable cantilever support includes a fixed seat, a first link body, a second link body, a bridge seat, a third link body, a fourth link body, a movable seat, a first length telescopic adjustment device and a second length telescopic adjustment device. One end of the first link body is pivotally connected with the fixed seat. One end of the second link body is pivotally connected with the fixed seat in adjacency to the first link body. The other end of the first link body is pivotally connected with the bridge seat. The other end of the second link body is pivotally connected with the bridge seat. One end of the third link body is pivotally connected with the bridge seat. One end of the fourth link body is pivotally connected with the bridge seat in adjacency to the third link body. The other end of the third link body is pivotally connected with the movable seat. The other end of the fourth link body is pivotally connected with the movable seat.

Abstract: An adjustable wrench has a wrench body, a clamping element, and a ratcheting jaw. The wrench body has a handle, a head, and a thumbscrew. The head is formed on the handle and has a connecting block, a fixed jaw, a curved slot, two pin holes, a positioning pin, a mounting recess, two pivot holes, and a sliding slot. The clamping element is connected to the wrench body and has a sliding bar, a ribbed slab, and a movable jaw. The ribbed slab is formed on the sliding bar and is mounted in the sliding slot. The movable jaw has an engaging surface and a positioning block. The ratcheting jaw is a curved block capable of sliding forward and retracting backward inside the curved slot and has two mounting boards, a receiving recess, an engaging surface, an abutting surface, an engaging protrusion, a holding recess, and an elastic element.

Abstract: A takedown utility cart includes four corner members each including joining apertures; four rectangular interconnecting members each shaped as a groove having two bent ends, each interconnecting member including two joining apertures at two sides respectively wherein a retainer is driven through the joining apertures to fasten the corner member and the interconnecting member together; two side walls each including a rectangular panel, two joining members at front and rear ends of the panel respectively, and two joining apertures on the joining member wherein a retainer is driven through the joining apertures to fasten the corner member and the side wall together; a rectangular platform disposed on the bent ends; a rectangular rear panel including four joining apertures at respective corners thereof wherein a retainer is driven through the joining apertures to fasten the corner member and the rear panel together; and at least one drawer.

Abstract: A locking device for a two-way travel drawer is provided with a peg on one side of each drawer; two two-way travel slides each on an outer surface of either side of the drawer; a groove member including front and rear flanges and a second opening element; a sliding member disposed in the groove member and including a trigger in the second opening element; and snapping members disposed vertically on an inner surface of the sliding member, each snapping member including two end latches secured to the sliding member, an intermediate trough having two vertical sides and a central concave portion interconnecting the vertical sides, two first inclined surfaces each extending from either end latch toward the trough, and two second inclined surfaces each interconnecting the adjacent first inclined surface and the adjacent vertical side.

Abstract: A locking device for a two-way travel drawer is provided with a peg on one side of each drawer; two two-way travel slides each on an outer surface of either side of the drawer; a groove member including front and rear flanges and a second opening element; a sliding member disposed in the groove member and including a trigger in the second opening element; and snapping members disposed vertically on an inner surface of the sliding member, each snapping member including two end latches secured to the sliding member, an intermediate trough having two vertical sides and a central concave portion interconnecting the vertical sides, two first inclined surfaces each extending from either end latch toward the trough, and two second inclined surfaces each interconnecting the adjacent first inclined surface and the adjacent vertical side.

Abstract: A cabinet is provided with a housing releasably mounted on one side of the cabinet and including a power cord having an AC power plug for connecting to an external power source; and a power supply module electrically connected to the power cord and disposed in the housing, the power supply module including at least one socket disposed on a top of the housing so that one or more electronic devices can be connected thereto for charging.

Abstract: A solar powered cart is provided with a cabinet including a plurality of drawers, a plurality of doors, and a plurality of wheels mounted under the cabinet; a pivotal solar photovoltaic panel disposed on the cabinet and being capable of converting energy of light directly into electricity; a plurality of rechargeable batteries disposed in the drawers and capable of storing the electricity supplied from the solar photovoltaic panel; a controller electrically connected to the rechargeable batteries and capable of regulating charging and discharging of the rechargeable batteries and protecting overload; a transformer electrically connected to the controller for outputting DC voltage or AC voltage; and an air compressor disposed in the cabinet and electrically connected to the transformer, the air compressor being configured to output pressurized air.

Abstract: A readily stretchable/contractible and locatable cantilever support includes a fixed seat, a first link body, a second link body, a bridge seat, a third link body, a fourth link body, a movable seat, a first length telescopic adjustment device and a second length telescopic adjustment device. One end of the first link body is pivotally connected with the fixed seat. One end of the second link body is pivotally connected with the fixed seat in adjacency to the first link body. The other end of the first link body is pivotally connected with the bridge seat. The other end of the second link body is pivotally connected with the bridge seat. One end of the third link body is pivotally connected with the bridge seat. One end of the fourth link body is pivotally connected with the bridge seat in adjacency to the third link body. The other end of the third link body is pivotally connected with the movable seat. The other end of the fourth link body is pivotally connected with the movable seat.