| 摘要 |
A stand-assist chair has a base frame adapted to stand on the floor, a seat frame movable above the base frame and carrying a generally horizontal seat, a back on the seat frame extending upward from a rear edge of the seat, and a motor housing on one of the frames. Front and back actuating shafts are journaled in the motor housing under front and rear edges of the seat and have respective front and back actuating arms and respective front and back operating arms. The front arm has an outer end pivoted on the other of the frames adjacent a front edge of the seat and the rear arm has an outer end operatively coupled to the other of the frames adjacent the rear seat edge. |
