Abstract: An electric moving device for moving patient beds includes a power unit, a holding unit and a control unit. The power unit is connected to the underside of the moving device and the holding unit is connected to two columns of the moving device so as to connect the moving device with the bed. By operating the control unit to control the power unit, the bed is moved from one place to another by the moving device. Medical equipment is able to go with the moving device to provide sufficient caring surface to the patient.

Abstract: A fixing member for a vehicle frame joint of scooters is revealed. Both a front frame and a rear frame are disposed with insertion holes correspondingly. A main rod with a pivot is disposed on the front or the rear frame. A fixing unit is arranged between the front and the rear frames. A rotatable disk of the fixing unit is connected pivotally to the pivot of the main rod. One end of a pull handle is disposed on one side of the rotatable disk while the other end is connected to an insertion pin that inserts through the insertion holes of the front and rear frames. Thereby the pull handle and the insertion pin are inserted into or released from the insertion holes of the front and the rear frames by rotating the rotatable disk of the fixing unit so as to connect and disconnect the frames.

Abstract: A vehicle frame joint of a folding scooter is revealed. Connection rods, main hooks with openings facing upward, and side hooks with openings facing downward are disposed between a front frame and a rear frame. While in use, the connection rods of one frame are assembled with or separated from the main and side hooks of the other frame so as to assemble or disassemble the front frame and the rear frame. By the simple design of the joint, even the disabled or users with poor physical health can disassemble/assemble the vehicle frame of the folding scooter easily by themselves.

Abstract: A quick disassembly structure of seat for a scooter has a seat which is provided with two support leg units and a seat section assembled with the two support leg units. A frame major body is provided with pivot mounts on which accommodation grooves are provided for receiving the ends of support leg units, and engaging slots are provided on the side walls of the accommodation grooves for engaging with tenons provided at the lateral sides of the support leg units' ends. Latch pieces are hinged on the upper edges of the pivot mounts so as to cover the engaging slots of the pivot mounts.

Abstract: A collapsible frame structure of a scooter is provided with a front and a rear frame mutually overlapped with each other and a collapsible unit is provided at the abutment between the front and the rear frame. The collapsible unit includes two connecting plates provided respectively at both sides of the front and the rear frames. Both ends of each connecting plate are pivotally connected respectively to the front and the rear frames. Further, latches and strikes capable of locking correspondingly with each other are respectively provided at both sides of the front and the rear frames. By this simple-design collapsible unit, manufacturing cost of the collapsible frame structure of scooter can be decreased, unfolding and collapsing of the front and the rear frame can be facilitated and robustness after the unfolding of the front and the rear frames can be ensured.

Abstract: A steering device includes: a main body mounted on an electric vehicle; a pivot axle unit mounted rotatably to the main body and having opposite rod portions extending outwardly and respectively from opposite lateral sides of the main body; a control unit coupled to the pivot axle unit for generating a control signal associated with forward or rearward movement of the electric vehicle in response to rotation of the pivot axle unit relative to the main body; and an operating unit operable to drive rotation of the pivot axle unit and including two mounting members that are connected respectively to the rod portions of the pivot axle unit, and a connecting member interconnecting the mounting members. Each mounting member has radially extending operating rods.

Abstract: A power lever for scooters is reveled. The power lever is arranged at one of the two sides of a scooter stem and is electrically connected with a power switch and a controller both of which are mounted in the scooter stem. Moreover, a linkage lever is disposed on the other side of the scooter stern, opposite to the power lever while an auxiliary lever is connected between the power lever and the linkage lever and is located on a rear side of the scooter stern. Thereby users can use the other hand to operate the power lever so as to avoid safety problems caused by a stop of scooters in the road in the case the user who feels a sudden pain in one hand is unable to drive the scooter.

Abstract: A locating member for locating scooter seats is revealed. The locating member includes a seat and a support rod, pivoted to each other. A control rod disposed with a locking part and a returning member is pivoted to the seat. The other end of the returning member is fixed on the seat. The support rod is arranged with a locating disk. The locking part of the control rod is locked into a locating part of the locating disk so as to fix the seat at a proper position with the required angle. Thus users can ride scooters conveniently. Moreover, two ends of the control rod away from a pivot region are respectively disposed with a first grip and a second grip and users can choose freely one grip to pull the control rod. Thus the elderly, the disabled and even the handicapped can operate and rotate the seat conveniently.

Abstract: A walk-substituting cart has a transverse rod secured to a chassis thereof, first and second sleeves secured on the transverse rod, first and second rotating shafts passed through the sleeves for connection to a handlebar device, a connecting rod, a front wheel on each side, and two transmission rods; the first sleeve is nearer to one side of the chassis while the second sleeve is right behind the middle of the front of the cart; the connecting rod is pivoted to the rotating shafts at two ends for passing on turning motion; each front wheel has a direction changing plate joined thereto, and the transmission rods are pivoted to respective direction changing plates, and pivoted to the second rotating shaft; therefore, the handlebar device can be located either right behind the middle of the front of the cart or nearer to a lateral side of the cart.

Abstract: A motor-driven vehicle includes a first vehicle body with a fixed cantilever disposed at a front end thereof, and a second vehicle body with a fixed post disposed in front of the cantilever, and a connecting device interconnecting the first and second vehicle bodies removably. The connecting device includes a projection extending upwardly from a front end of the cantilever of the first vehicle body, and a spring-biased retaining block disposed movably on the post of the second vehicle body. The retaining block is biased to a position, where the projection is confined between the retaining block and the post so as to prevent relative movement of the first and second vehicle bodies.

Abstract: A direction-lockable seat assembly for a motor vehicle includes an upright seat post that defines a pivot axis, a seat member mounted on top of the seat post such that the seat member is rotatable about the pivot axis, and a direction-locking device that includes a locking plate, a slide guide unit, and a locking pin. The locking plate has a plate body mounted on top of the seat post and formed with a plurality of angularly spaced apart locking grooves. The slide guide unit is mounted on the seat member, and is formed with a slide channel to be aligned with a selected locking groove. The locking pin is movably disposed in the slide channel, and is operable to extend into the selected locking groove so as to arrest rotation of the seat member.

Abstract: A motor-driven vehicle includes a first vehicle body with a sleeve tube, a second vehicle body with an insert rod disposed telescopically within the sleeve tube, and a locking device including a pull rod, a retaining block and a resilient member. The pull rod is movable on the first vehicle body between a locking position and a release position. When the pull rod is disposed at the locking position, the retaining block extends through a hole in the sleeve tube and engages a selected one of holes in the insert tube of the second vehicle body. When the pull rod is disposed at the release position, the retaining block is removed from the holes in the insert rod. The resilient member biases the pull rod to the locking position.

Abstract: A vehicle chassis includes first and second chassis members, and a locking device. Each of the first and second chassis members includes a connector formed with a hole unit therethrough. The locking device includes a locking pin that extends through the hole units in the connectors, and a resilient retainer that latches releasably to one end of the locking pin.

Abstract: A leg rest device for a wheel chair includes a coupling base, a rotary frame unit, a positioning unit, and a footrest. The coupling base is to be fixed to one side of a chair frame of the wheelchair, and defines a rod hole that extends along a hole axis. The rotary frame unit includes a coupling rod that is extended rotatably into the rod hole of the coupling base, and a leg frame member that is connected to and that extends forwardly from the coupling rod. The rotary frame unit is rotatable relative to the coupling base between a first position, where the leg frame member is disposed frontward relative to the coupling base, and a second position, where the leg frame member is disposed sideward relative to the coupling base. The positioning unit retains releasably the rotary frame unit at one of the first and second positions on the coupling base. The footrest is coupled to the leg frame member.

Abstract: A motor-driven vehicle includes: a chassis; a post extending upwardly from the chassis and having an upright engaging wall formed with an engaging hole; a battery housing seated on the chassis adjacent to the post and including a mounting wall disposed adjacent to the engaging wall; a coupling device including an engaging rod having a pivot portion pivoted to the mounting wall of the battery housing, and an engaging portion extending from the pivot portion, the engaging rod being pivotable relative to the battery housing between an engaging position, where the engaging portion extends into the engaging hole, and a disengaging position, where the engaging portion is disengaged from the engaging hole; and a biasing member for urging the engaging rod to the engaging position.

Abstract: A motor-driven vehicle includes: a chassis; a post extending upwardly from the chassis and having an upright engaging wall formed with an engaging hole; a battery housing seated on the chassis adjacent to the post and including a mounting wall disposed adjacent to the engaging wall; a coupling device including an engaging rod having a pivot portion pivoted to the mounting wall of the battery housing, and an engaging portion extending from the pivot portion, the engaging rod being pivotable relative to the battery housing between an engaging position, where the engaging portion extends into the engaging hole, and a disengaging position, where the engaging portion is disengaged from the engaging hole; and a biasing member for urging the engaging rod to the engaging position.

Abstract: A wheelchair includes a chair frame, two suspension arms, two clutches, two drive wheels, two shock absorbers, and two limiting units. The chair frame includes two lateral frame parts. Each of the suspension arms is connected pivotally to the chair frame adjacent to a respective lateral frame part. Each of the clutches is mounted on a respective suspension arm. Each of the drive wheels is coupled to a respective clutch. Each of the shock absorbers is mounted between a respective lateral frame part and a respective suspension arm. Each of the limiting units includes a mounting seat mounted on a respective lateral frame part and formed with a guide slot unit therethrough, and a connecting component that extends through the guide slot unit and that mounts movably a respective suspension arm on the mounting seat.

Abstract: A motor-driven vehicle includes a first vehicle body with a fixed cantilever disposed at a front end thereof, and a second vehicle body with a fixed post disposed in front of the cantilever, and a connecting device interconnecting the first and second vehicle bodies removably. The connecting device includes a projection extending upwardly from a front end of the cantilever of the second vehicle body, and a spring-biased retaining block disposed movably on the post of the second vehicle body. The retaining block is biased to a position, where the projection is confined between the retaining block and the post so as to prevent relative movement of the first and second vehicle bodies.

Abstract: A motor-driven vehicle includes a vehicle body with a top plate disposed at a top portion thereof, and a seat disposed above the vehicle body and including a fixed bottom plate that is superposed on the top plate. A connecting device connects the seat removably to the vehicle body, and includes a first pivot member disposed fixedly on one side of the top plate of the vehicle body, an engagement portion disposed fixedly on the opposite side of the top plate of the vehicle body, a second pivot member disposed fixedly on the bottom plate of the seat and connected rotatably and removably to the first pivot member, and a retaining unit attached to the bottom plate of the seat and connected removably to the engagement portion so as to prevent rotation of the seat relative to the vehicle body.

Abstract: A differential gear apparatus includes a housing, left and right shafts respectively having journal ends disposed in the housing and rotatable relative to the housing about a central axis to rotate wheels of a vehicle, a ring gear received in the housing and driven by a motor to rotate about the central axis relative to the housing, a central mount disposed at the center of the ring gear to be rotated therewith. Front and rear differential pinions and left and right bevel gears are journalled on front and rear bearing members on the central mount and left and right anti-frictional bearings in the housing, respectively. Each of the left and right bevel gears meshes with both the front and rear differential pinions, and is rotated with a respective one of the shafts so as to transmit rotational force thereto.