Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-03-24
2000-01-04
Swann, Glenn
Communications: electrical
Condition responsive indicating system
Specific condition
49 13, 24823141, 24823161, 3405451, G08B 1308
Patent
active
06011469&
ABSTRACT:
An overhead door position sensor assembly includes a sensor actuating device, and a position sensor including a roller track clamping device for mounting the position sensor onto a roller track of an overhead door assembly. The sensor actuating device is mountable to an overhead door of the overhead door assembly for actuating the position sensor when the sensor actuating device is located within a minimum actuation distance from the position sensor. The roller track clamping device includes a body having a main member for placement adjacent to a sidewall of the roller track and a curved resilient member extending from the main member for placement along the contour of a curved roller race that extends from the sidewall of the roller track. A bracket of the roller track clamping device is coupled to the body. A plurality of serrations located on one of the body and bracket engage with an edge of a slot located on the other of the body and the bracket to allow the body and the bracket to be coupled in a ratchet-like manner. The resilient member of the body includes a flexible thin section that conforms to the roller race and prevents the roller track clamping device from slipping along the roller track. When installed, no part of the position sensor assembly interferes with travel of the overhead door along the roller track.
REFERENCES:
patent: 4752657 (1988-06-01), Kane et al.
patent: 5554833 (1996-09-01), Johnson
patent: 5723835 (1998-03-01), Gilmore
Ackley Scott A.
Bartholomew Victor L.
Taft Mark S.
SLC Technologies Inc.
Swann Glenn
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