| 摘要 |
An article of adjustable furniture comprising a frame, a moveable support section 12 pivotally mounted to the frame, cam means 42 attached to the frame or support section and a cam follower 68 attached to the other wherein the cam means or follower attached to the frame can be moved by an actuator 52 which moves in a longitudinal direction of the frame wherein relative movement between the cam means 42 and follower 68 produces rotation of the support section 12. The cam arrangement may utilise a ramp 42 mounted on wheels 36 which sit in channels 30 in the frame upon which a bearing or wheel 68 of the follower can roll and the follower may be mounted on a sector of a circle or a quadrant 66. The device may be a bed with a pivoting backrest which also has an adjustable thigh support. |
