Patent ID: 7464627
Filing Date: 2008-12-16
Classification: E05B,Y10T

Abstract:
1. An actuator comprising a disc rotatable about an axis; a first pawl coupled to an actuator housing and releasably engageable with said disc to resist rotation of said disc relative to said housing in at least one direction. a lever arm rotatable about said axis and coupled to an actuator output; a second pawl coupled to said lever arm and releasably engagable with said disc to resist rotation of said lever arm relative to said disc in at least one direction; an energy storage feature coupled to said disc, said energy storage feature rotating said disc in a first direction when said stored energy is released; and a gear rotatable about said axis, said gear comprising a first release capable of disengaging said first pawl from said disc, and a second release feature capable of disengaging said second pawl from said disc; said gear configured to load said energy storage feature, and release said first pawl permitting rotation of said disc and said lever arm by said energy storage feature, and configured to release said second pawl permitting said lever arm to return to an initial position.