Patent ID: 6162142
Filing Date: 2000-12-19
Classification: B60J,E05F,E05Y

Abstract:
A drive apparatus for a sunroof comprising:a housing;source having a first reduction gear;a rotation output shaft rotated by an output of said first reduction gear and adapted to co-operate with a driven mechanism of the sunroof;a second reduction gear arranged in said housing on the same axis as said rotation output shaft and connected thereto, said second reduction gear including an internal gear formed in said housing and an external gear arranged within the internal gear and meshing with the internal gear, said external gear having a number of gear teeth which is at least one less than the number of gear teeth of the internal gear; anda detecting mechanism arranged in said housing on the same axis as said rotation output shaft and adapted to detect a moving position of said driven mechanism, said detecting mechanism including a rotating plate connected to said external gear through a plurality of hole portions formed on one of said external gear and said rotating plate and a plurality of projecting portions formed on the other of said external gear and said rotating plate, with said projecting portions being loosely positioned in the hole portions, a contact element fixed to said rotating plate and a conducting pattern member opposed to said contact element and adapted to electrically contact the contact element in accordance with a rotation of said rotating plate.