Patent ID: 11883340
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A  F | IPC A  F

Claim 0:
1. A mechanical type lifting shifter arranged below a wheelchair body, comprising:
a bottom supporting assembly, arranged below the wheelchair body, comprising a pair of oppositely arranged supporting members, and gear rack columns vertically arranged respectively on the supporting members;
a movable upper supporting assembly, comprising a pair of movable supporting members; the movable supporting members slidably sleeve the gear rack columns respectively;
a gear roller assembly, comprising a rotating shaft and a pair of lifting gears respectively arranged on two end portions of the rotating shaft; two ends of the rotating shaft are fixedly connected to and supporting the pair of movable supporting members respectively; the lifting gears 22 are engageably connected to the gear rack columns respectively;
a pedal transmission assembly, arranged on the rotating shaft and rotatably connected to the rotating shaft to achieve motion transmission;
a pedal clutch assembly, connected to the pedal transmission assembly to switch a clockwise and anti-clockwise rotational transmission between the pedal transmission assembly and the rotating shaft.