Safety edge for horizontally pivoted rolling gates

Movable or removable closures – Safety means responsive to obstruction to closure – Sensing shoe on leading edge

Reexamination Certificate

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Details

C049S197000

Reexamination Certificate

active

06851222

ABSTRACT:
The invention relates to a safety edge for horizontally pivoted rolling gates actuated by a motor unit. It consists of a profile (11) made of rubber or other soft flexible material and having a base (14) for its application to a rolling date, and of two electrical conductors (15, 16) extending longitudinally into the soft profile, parallel and normally separate from one another. The conductors move closer in the presence of a deforming thrust on said profile, to come into contact and enable an electrical circuit to send a signal for stopping the rolling gate motor unit.

REFERENCES:
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patent: 5459962 (1995-10-01), Bonne et al.
patent: 5481076 (1996-01-01), Mullet et al.
patent: 5920044 (1999-07-01), Kaji et al.
patent: 5932931 (1999-08-01), Tanaka et al.
patent: 5998951 (1999-12-01), Dove
patent: 6389752 (2002-05-01), Rosenau
patent: 6427382 (2002-08-01), Gregoriou et al.
patent: 0381578 (1990-08-01), None

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