Safety device and mechanism comprising one such device used...

Details Safety device and mechanism comprising one such device used... Safety device and mechanism comprising one such device used...

2003-03-27

2009-10-13

Purol, David (Department: 3634)

Flexible or portable closure, partition, or panel

Roll type

With brake or stop

C049S322000

Reexamination Certificate

active

07600553

ABSTRACT:
A safety mechanism for a closing installation, comprising a shaft and an element having teeth for cooperating with a catch which oscillates during rotational movements of the shaft. The mechanism further comprises a safety system including a ring for braking the oscillatory movement of the catch. The movement of the ring is controlled by a detecting system that detects the state of a spring which used to compensate the torque exerted on the shaft by the screen body.

REFERENCES:
patent: 2878865 (1959-03-01), Manley
patent: 3637004 (1972-01-01), Wardlaw et al.
patent: 3842892 (1974-10-01), Stieler
patent: 4112996 (1978-09-01), Fohl
patent: 4125142 (1978-11-01), Fohl
patent: 5494093 (1996-02-01), Eiterman
patent: 5971055 (1999-10-01), Rohaut
patent: 6655088 (2003-12-01), Hormann
patent: 6862845 (2005-03-01), Schiks
patent: 6986378 (2006-01-01), Beaudoin et al.

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