Patent ID: 7104589
Filing Date: 2006-09-12
Classification: E05F,E05Y,Y10T

Abstract:
1. A door driving unit comprising: a driving mechanism rotatable in a reciprocating manner within a predetermined operational angle range; a body portion fixed to a vehicle body; a first member driven by the driving mechanism; a second member driven by the first member by being in contact with the first member; the first member and the second member being supported by a common shaft; and an engaging mechanism for engaging the first member and the second member with each other so that the first member and the second member rotate as a unit with each other within a first predetermined angle range when the first member drives the second member; wherein the first member includes at least one contacting portion which comes in contact with the second member when the first member rotates in one direction and the contacting portion comprises part of the engaging mechanism; wherein the second member includes a driving arm having a flange portion formed at an outer peripheral portion of the driving arm, an arc portion formed at an edge portion of the flange portion along a second predetermined angle range with respect to the common shaft, and a pair of shoulder portions formed at both ends of the arc portion respectively and extending outwardly in a radial direction of the arc portion; and wherein the engaging mechanism includes a pair of hooks, each of which is assembled to the flange portion adjacent a respective one of the shoulder portions via a shaft and engages with a respective contacting wall of the body portion for engaging the at least one contacting portion to engage the first and second members.