Method and apparatus for controlling the speed of closing of...

Details Method and apparatus for controlling the speed of closing of... Method and apparatus for controlling the speed of closing of...

2005-04-26

2005-04-26

Strimbu, Gregory J. (Department: 3634)

Movable or removable closures

With operator for movably mounted closure

Operating lever or link and closure swing about parallel axes

C049S340000, C296S146800

Reexamination Certificate

active

06883275

ABSTRACT:
A method and system for controlling the descent of a moveable element pivotally attached to a rigid structure. The moveable element is pivotally attached to the rigid structure, and is then pivotally connected to a compressible strut, which is pivotally attached to a linkage pivotally connected to the rigid structure. The descent of the moveable element is controlled using a microcontroller and a motor attached to the linkage, and the control path for the linkage is selected based on a comparison of the angle between the linkage and rigid structure and the angle between the moveable element and the rigid structure.

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patent: 6719356 (2004-04-01), Cleland et al.
patent: 60-155048 (1985-08-01), None

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