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: An adjustable shelving assembly includes four corner members of L-shaped cross section, either half of each corner member comprising aperture members each including an upper, larger circle and a lower, smaller, vertical hole overlapping the larger circle thereof; at least one group of four interconnecting members each comprising upper and lower aperture elements and a through hole besides each of the upper and lower aperture elements for positioning the interconnecting member, each aperture element comprising an upper, smaller, vertical hole and a lower, larger circle overlapping the vertical hole thereof; retainers each for fastening the corner member and the interconnecting member; and lock pins each comprising a head including a cut, and a shaft having ridges. The lock pin is fastened in the larger circle of the aperture member and the through hole. The cut is fastened in the larger circle of the aperture member.

Abstract: A layered structure is provided with a substrate including a first uneven surface on a top surface; a first coat layer having a predetermined color pattern and disposed on a top surface of the substrate; and a first material transfer layer having a predetermined inked pattern and disposed on a top surface of the first coat layer. A CNC machine is used to render the top surface of the substrate colorful.

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 drawer handle is provided with two side plates; a front plate including an upper joining part, the joining part having an elevation greater than that of either side plate; a rear plate; a bottom; a handle secured to the joining part; and a protective member releasably mounted on the handle and including a covering element on a front surface for covering a portion of the handle, and a recessed label portion on a front surface of the covering element, the recessed label portion having an area slightly smaller than that of the front surface of the protective member so that a label is configured to affix to the recessed label portion.

Abstract: A lock device for a plurality of two-way travel drawers of a support body is provided with a positioning assembly including two links, two bending members, two biasing elements, and two triggers. The link includes a first enlargement proximate to a first end, an intermediate second enlargement, an extension extending inward from the second enlargement, an inclined section interconnecting the extension and a second end; the bending member secured to the support body and includes a vertical section having a third through hole; the first end is moveably disposed through the support body; each trigger is disposed on the first end and exposed; each biasing element is put on the extension and anchored between the second enlargement and the bending member; and the second end passes through the vertical section of the bending member; and the first enlargement is stopped by the support body in an inoperative position.

Abstract: A cart includes four wheel assemblies disposed on four bottom corners of a support body respectively, each wheel assembly including a hollow cylinder, a biasing member in the hollow cylinder, a roller having a partially threaded shank inserted through the biasing member and the hollow cylinder into the support body for fastening, and a threaded fastener secured to the partially threaded shank; four lock sleeves each secured onto the hollow cylinder. In a ready to wheel or wheeling state, the partially threaded shank is rested on a top of the hollow cylinder, and both the cylinder and the lock sleeve are above a bottom end of the roller. In response to a user sitting on the support body, both the hollow cylinders and the lock sleeves are pushed down with the biasing members being further compressed until both the hollow cylinders and the lock sleeves contact a supporting ground.

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 cart includes four wheel assemblies disposed on four bottom corners of a support body respectively, each wheel assembly including a hollow cylinder, a biasing member in the hollow cylinder, a roller having a partially threaded shank inserted through the biasing member and the hollow cylinder into the support body for fastening, and a threaded fastener secured to the partially threaded shank; four lock sleeves each secured onto the hollow cylinder. In a ready to wheel or wheeling state, the partially threaded shank is rested on a top of the hollow cylinder, and both the cylinder and the lock sleeve are above a bottom end of the roller. In response to a user sitting on the support body, both the hollow cylinders and the lock sleeves are pushed down with the biasing members being further compressed until both the hollow cylinders and the lock sleeves contact a supporting ground.

Abstract: A cart includes a support body; and two side frames being rectangular wherein each side frame includes two spaced vertical bumpers and two spaced horizontal cross rails, each bumper has a cross section of about rectangle, each bumper includes a top hole and a plurality of spaced side holes along one surface facing an other bumper of the same side frame, each cross rail has a cross section of rectangle, and each cross rail includes a plurality of threaded holes so as to threadedly secure the side frames to both sides of the support body respectively. The cart further includes at least one side container and at least one corner top holder.

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 a front end of the handle and has a connecting block, a fixed jaw, a curved slot, a positioning pin, a mounting recess and a sliding slot. The clamping element is movably connected to the wrench body and has a rear end, a front end, a sliding bar and a movable jaw. The sliding bar is formed on the rear end of the clamping element, is mounted in the sliding slot and engages the thumbscrew and has multiple teeth. The ratcheting jaw is a curved block capable of sliding forward and retracting backward inside the curved slot and has a backward area, a forward area, a guide hole, an engaging surface, an abutting surface, an engaging protrusion and a spring.

Abstract: A lock device for two-way travel drawers of a support body, including in combination pegs each on one side of the drawer; a plurality of two slides each on either side of the drawer; and a lock assembly longitudinally mounted on one side of the support body and including a groove member, a sliding member, a biasing member, a lock, and snapping members. The groove member includes front and rear flanges, and an upward bend on an upper portion. The sliding member is slidably disposed in the groove member and includes longitudinal sets of two flush openings, and an upper hook. The biasing member interconnects the bend and the hook. The lock is on an upper portion of the support body for stopping the sliding member. The snapping member includes a central bottom trough and two inclined surfaces each extending from the trough to either end latch.

Abstract: A two way three section slide drawer slide assembly for permitting a drawer to be selectively pulled out from opposite open ends of a compartment is provided with an elongated outer section secured to the compartment; an elongated intermediate section disposed in the outer section; two elongated sliding members each slidably disposed either between upper edges of the outer section and the intermediate section or between lower edges of the outer section and the intermediate section; an elongated inner section including a two-end open flat track; an elongated bearing member disposed between the intermediate section and the inner section; two stop units releasably secured to the engaging members respectively; and two flexible limit members threadedly secured to the inner section. One limit member is disposed reverse to the other limit member.

Abstract: An adjustable shelving assembly is provided with four corner members of L-shaped cross section, either half of each corner member including aperture members each including an upper, larger circle and a lower, smaller, vertical hole overlapping the larger circle thereof; at least one group of four interconnecting members each including upper and lower aperture elements and a through hole between the aperture elements, each aperture element including an upper, smaller, vertical hole and a lower, larger circle overlapping the vertical hole thereof; elongated retainers each including two enlargements at both ends respectively, an annular groove adjacent to one enlargement, and an annular shoulder between the groove and the other enlargement; lock pins each having a substantial portion fastened in the larger circle of the aperture member and the through hole; and at least one flat shelf each anchored on tops of the interconnecting members.

Abstract: A lock device for two-way travel drawers of a support body is provided with in combination a peg on a central portion of one side of the drawer; two two-way travel slides each on an outer surface of either side of the drawer; and a lock assembly including a groove member, a sliding member, a lock, and snapping members. The groove member has a rectangular section and includes front and rear flanges to be secured to a wall of the support body. The sliding member has a rectangular section, is slidably disposed in the groove member, and includes openings. The lock is disposed on an upper portion of the wall of the support body and capable of actuating to activate the sliding member. The snapping members are retained in the openings and capable of locking or unlocking the peg when the sliding member moves.

Abstract: A two way three section slide drawer slide assembly for permitting a drawer to be selectively pulled out from opposite open ends of a compartment is provided with an elongated outer section secured to the compartment; an elongated intermediate section disposed in the outer section; two elongated sliding members each slidably disposed either between upper edges of the outer section and the intermediate section or between lower edges of the outer section and the intermediate section; an elongated inner section including a two-end open flat track; an elongated bearing member disposed between the intermediate section and the inner section; two stop units releasably secured to the engaging members respectively; and two flexible limit members threadedly secured to the inner section. One limit member is disposed reverse to the other limit member.

Abstract: An adjustable shelving assembly is provided with four corner members of L-shaped cross section, either half of each corner member including aperture members each including an upper, larger circle and a lower, smaller, vertical hole overlapping the larger circle thereof; at least one group of four interconnecting members each including upper and lower aperture elements and a through hole between the aperture elements, each aperture element including an upper, smaller, vertical hole and a lower, larger circle overlapping the vertical hole thereof; elongated retainers each including two enlargements at both ends respectively, an annular groove adjacent to one enlargement, and an annular shoulder between the groove and the other enlargement; lock pins each having a substantial portion fastened in the larger circle of the aperture member and the through hole; and at least one flat shelf each anchored on tops of the interconnecting members.

Abstract: A one hand operable cabinet latch is provided with upper and lower sub-assemblies including a hollow cylinder, a spring-biased rotatable bolt projecting out of the cylinder, and a knob secured to one end of the bolt and projecting out of an opening of the cylinder; upper and lower mounting plates secured to one door panel; upper and lower driven members each including a groove at one end with the knob slidably projecting out of the groove, a slot at the other end, and a trigger at the other end of the driven member; an intermediate interconnecting member secured to the one door panel and including two fastening members each driven through the slot into the interconnecting member to slidably secure each of the driven members to the interconnecting member; and upper and lower catches mounted on an inner surface of a top and a bottom of the cabinet respectively.

Abstract: A two way three section slide drawer slide assembly for permitting a drawer to be selectively pulled out from opposite open ends of a compartment is provided with an elongated outer section secured to the compartment; an elongated intermediate section in the outer section; two elongated sliding members; an elongated inner section including a two-end open flat track, an intermediate opening, two positioning members at both ends of the intermediate opening respectively, and two tabs; an elongated bearing member; two stop units; and a flexible limit member including an intermediate flat portion and on either end of the flat portion, a latching member including an inclined surface at one end and an inclined extension at an intermediate portion, a ramp on the latching member, a slot abutted on the ramp, and a rectangular cut at the other end of the latching member.

Abstract: An open end wrench is provided with a handle; and spaced first and second jaws secured to and projecting from the handle, the first jaw including a first engagement surface and a second engagement surface together arranged in an angled pair, and the second jaw including a fourth engagement surface. The second engagement surface is closer to a bottom of the first jaw than the first engagement surface. The second engagement surface extends at an angle between 2-degree and 7-degree with respect to a virtual center line passing an opening between the spaced first and second jaws. The fourth engagement surface extends at an angle between 2-degree and 5-degree with respect to the virtual center line. The second engagement surface is not parallel to the fourth engagement surface.