Patent ID: 11931309
Assignee: SUNCALL CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 7:
8. The actuator unit according to claim 6, wherein:
the upper connecting body includes an upper receiving shaft provided on the upper frame to extend inward in the user width direction;
the upper receiving member includes an elastic roller supported by the upper receiving shaft;
the upper fastening member has an engagement arm extending radially outward from the bearing part in a position more inside in the user width direction than the cam part; and
the engagement arm is provided with an engagement groove for engagement with a portion of the upper receiving shaft, which extends more inward in the user width direction than the elastic roller, when the upper fastening member is rotated around the upper rotational shaft from the released position toward the second side around the axis to hold the thigh frame with respect to the user front-back direction in cooperation with the upper receiving member.