Abstract: A cabinet for receiving and charging power to notebook computers comprises a cabinet body; a receiving space formed in the cabinet body; a plurality of drawers arranged longitudinally installed in the receiving space; each drawer being installed with a plurality of retainers; a power supply portion having a power source and at least one receptacle which is connected to the power source; the power source being connected externally to other power supply; a transformer receiving portion formed at a backside of each drawer being formed as a receiving space; and a control portion connected to the power supply portion for turning off the power unit at a setting time. Each retainer has an approximate V shape for receiving at least one notebook computer.

Abstract: A cabinet for receiving and charging power to notebook computers comprises a cabinet body; a receiving space formed in the cabinet body; a plurality of drawers arranged longitudinally installed in the receiving space; each door being installed with a plurality of retainers; a power supply portion having a power source and at least one receptacle which is connected to the power source; the power source being connected externally to other power supply; a transformer receiving portion formed at a backside of each door being formed as a receiving space; and a control portion connected to the power supply portion for turning off the power unit at a setting time. Each retainer has an approximate V shape for receiving at least one notebook computer.

Abstract: A chair capable of being firmly stacked comprises a seat; at least one supporting leg being connected to a bottom of the seat, the supporting leg including a resisting section and a wheel assembly; one end of the resisting section being connected to a bottom of the seat and another end of the resisting section being connected to the wheel assembly; the wheel assembly including a connecting block and a wheel pivoted to the connecting block; one inner side of the connecting block being formed with a resisting groove; the wheel being installed at an outer side of the supporting leg and being rotatable with respect to the connecting block; the resisting groove having a shape corresponding to a periphery of the resisting section so that the resisting groove can receive the resisting section of another chair.

Abstract: A chair capable of being firmly stacked comprises a seat; at least one supporting leg being connected to a bottom of the seat, the supporting leg including a resisting section and a wheel assembly; one end of the resisting section being connected to a bottom of the seat and another end of the resisting section being connected to the wheel assembly; the wheel assembly including a connecting block and a wheel pivoted to the connecting block; one inner side of the connecting block being formed with a resisting groove; the wheel being installed at an outer side of the supporting leg and being rotatable with respect to the connecting block; the resisting groove having a shape corresponding to a periphery of the resisting section so that the resisting groove can receive the resisting section of another chair.

Abstract: A chair with a firm structure for overlapping has a body which includes a chair frame and at least one supporting frame; the chair frame having a base, a seat frame and a back frame for supporting the body; the supporting frame being at an outer side of the chair frame; wherein the seat frame has a seat; and the back frame has a cushion; the supporting frame has a handle; supporting frame is combined with a combining unit. The combining unit serves for combining the supporting frame and the chair frame; the chair frame has a front casing and a rear casing; each of the front casing and the rear casing has a clamping surface; the front casing is coupled to the rear casing; each of two sides of the clamping surface has a positioning groove for limiting the chair frame and the supporting frame in the combining unit.

Abstract: An elevation adjustment device in the legs of table includes a rectangular leaf and four legs connected to the underside of four corners of the leaf. The legs each has a first tube and second tube slidably inserted into the first tube having graduation on outer periphery, a tubular sleeve engaged with the lower end of the first tube, a tubular stopper with a circular pad pressed into the lower end of the second tube, a pushing rod connected to a threaded shank inserted into a circular through hole of the first tube and a protrudent radial through hole in a segmental retaining bar, an enlarged retaining ring, a washer and a spring sequentially wrapped on the threaded shank and secured by a internally threaded cap from the inner end of the shank.

Abstract: A gang chair device has a crossbar, two leg devices connected to the crossbar, and a plurality of chairs disposed on the crossbar. Each leg device has a leg plate having a protruded plate and an extended rod. A connection plate is disposed on the extended rod. The crossbar has two block plates and a slot defined by the block plates. A U-shaped plate is inserted in the crossbar. Each chair has a backrest plate having two insertion plates, two hollow blocks, a seat plate, a base plate, and a U-shaped positioning plate. The base plate is disposed on the crossbar. The seat plate is disposed on the base plate. The base plate has two J-shaped lateral rods. Each J-shaped lateral rod has an opening. Each insertion plate is inserted in the hollow block. Each hollow block has a tip end inserted in the opening.