| 摘要 |
A reclining angle adjustment device for use with a reclining seat includes an intermediate gear plate having an outer gear, a first arm having an inner gear meshing with the outer gear, an angularly movable shaft having concentric and eccentric portions on which the intermediate gear plate and the first arm are angularly movably mounted, respectively, a second arm supporting the angularly movable shaft thereon, a release lever for unlocking the intermediate gear plate from the second arm for rough adjustment of a reclining angle, a control handle for turning the angularly movable shaft for fine adjustment of the reclining angle, a pin secured to the second arm by a pin bracket and having a groove, a spiral spring having an inner and engaging in the groove for imposing a turning force produced at an outer end thereof on the intermediate gear plate, and a hook plate angularly movably mounted on the pin for transmitting the turning force of the spiral spring to the intermediate gear plate through the hook plate, whereby the position in which the turning force is transmitted to the intermediate gear plate is located closely to the plane in which the intermediate gear plate is angularly movable. |
