Patent ID: 11951068
Assignee: nan
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 3:
4. The four-legged animal wheelchair according to claim 1, wherein
the wheel displacement mechanism includes:
a support shaft that is provided on the wheel support member and has an axis parallel to an axial direction of the ring frame;
a pair of swing arms, each having a proximal end swingingly supported around the support shaft and a distal end that rotatably supports the wheel;
stoppers that regulate a swinging range of the swing arm within a predetermined angle range;
an inner connecting wire connecting inner sides of the swing arms;
an outer connecting wire connecting outer sides of the swing arms;
a fall sensor for detecting a change of the four-legged animal from an upright state to a side-lying state; and
a wire drive mechanism that reduces a tension of the inner connecting wire and pulls both ends of the outer connecting wire when the fall sensor detects the side-lying state of the four-legged animal.