An artificial leg comprising a hydraulic system which is connected to a pushing rod of an ankle cap through a transfer rod, a foot which bears a recess to accept one end of the pushing rod and a knee part with its two ends separately connected to an outer shell and a pole means of the hydraulic system wherein the hydraulic system functions through a series of mechanical operations to automatically control the straightening and bending of the knee joint of the artificial leg.

A fluid cushioning apparatus acting as a pivoting medium of two objects having a pivoting feature includes a sleeve, a shaft and a partitioning piece. The shaft has two radially enlarged annulations being closely and rotatably mounted in the sleeve and a dividing wall being axially and radially extended between the two annulations to closely engage with the interior wall of the sleeve. The sleeve is mounted on a first object and the shaft is mounted on a second object which is always to have a p...

An adjustment device for artificial limbs includes a hollow cylindrical member having an open upper section and an open bottom end, and a plate member disposed on and covering the open bottom end. A coupling member is received in the hollow cylindrical member and has a top plate portion to cover a central through opening of the plate member, and a downwardly extending post portion projecting from the top plate portion and having a diameter smaller than the central through opening. The post porti...

A covering device for a jointed artificial limb includes a covering layer covering the artificial limb. The covering layer can be made of semirigid PU foam. The covering layer has a screen-like flexible portion adjacent to the joint of the artificial limb. The flexible portion includes a plurality of slits.

A wheelchair includes a foldable seat portion, a pair of stationary plates each of which is provided on each side of the seat portion. Each stationary plate has a shaft that extends outward upon which a wheel is mounted. A driving unit and a gear assembly which connects the driving unit to the wheel are also mounted on the stationary plate. A rechargeable battery unit is used for actuating the driving unit. The wheelchair further has a control switch for operating the driving unit.

A decoration article with an automatic flaking device has a bottom basin in which are disposed a battery power source and a motor and an electric circuit including a sound actuating device; and a flake circulating tube having a top outlet and a bottom inlet disposed at both ends thereof with the bottom inlet in contact with an inclined surface disposed on top of the bottom basin is provided with a screw conveyor by which the snow flakes are delivered to the top of the circulating tube and a disp...

A automatic weight-activated toilet flushing apparatus, includes an automatic bounding device, a lifting/lowering device and a control box, wherein the bounding device is connected under a rear portion of a pad of a toilet bowl and connected to the lifting/lowering device so that when a user sits on the pad, the same is pressed down through a certain distance and the lifting/lowering device is simultaneously moved down, causing a slide block thereof to move downward. Meanwhile, a one-way control...

A washing-up sink includes first, second, third, and fourth side plates which are arranged in a substantially rectangular structure, and a first bottom plate mounted to a lower edge of the rectangular structure thereby defining a first compartment therebetween. The first side plate has an extension, and this extension and the fourth side plate have a second bottom plate mounted therebetween lower edges thereof. The second bottom plate has a length less than that of the extension and a width less...

A electrical contact, which is secured in a slot of a housing used to electrically connect a printed circuit board with a chip module comprises a tail portion mounted on the printed circuit board, a contact portion with a torsion portion based on the axis of the slot of the housing at least partly extending out of the slot contacting to the chip module and a base portion connected the tail portion with the contact portion. Thus, the space between the adjacent contacts will be improved to avoid t...

A chopping board is supported on a pad formed from a plastic material which prevents the chopping board from slipping or vibrating when used for chopping different food products. The pad includes a peripheral wall, abutments spaced from and extending circumferentially around an inner surface of the wall, and a corner through hole. The upper surface of the pad is provided with a plurality of spaced convex areas, with each area having an upwardly extending projection. The lower surface of the pad ...