Electromechanical swing leaf operator

Details Electromechanical swing leaf operator Electromechanical swing leaf operator

2006-05-30

2006-05-30

Sandy, Robert J. (Department: 3677)

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Checks and closers

Liquid

C016S079000

Reexamination Certificate

active

07051403

ABSTRACT:
The invention relates to an electromechanical swing leaf operator having a door closer (1) with an eccentrically supported pinion (6) that presents a circular rolling curve and meshes with a toothed rack (5) being disposed at a piston (4), whereby a particular execution of the rolling curve and of the teeth (9) of the toothed rack (5) in adaptation to a toothing of the pinion (6) is achieved. With the intention to realize an optimized moving course of the piston (4) in the housing (2) of the door closer (1) an improved execution of the delayed closing operation is provided.

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