Patent ID: 7543889

Claim:
A gear-driven adjusting assembly for continuous adjustment of seat angle including a gear transmission mechanism and a driving mechanism, wherein an external gear plate of the gear transmission mechanism is mounted in an internal gear plate with an eccentricity therebetween , internal teeth of the internal gear plate are in mesh with external teeth of the external gear plate; an external cam of a gap removing mechanism is mounted between a central boss of the internal gear plate and an inner hole of the external gear plate, an internal cam is mounted between an inner hole of the external cam and the central boss of the internal gear plate, a spring is provided in the external cam with its two ends abutting against the internal cam and the external cam, respectively, which form an eccentric cam mechanism; and a central shaft of a driving mechanism is provided in a hole of the central boss of the internal gear plate, a driving block of the driving mechanism is provided between the internal cam and external cam.