Neaville L Dement from 5017 78Th Ln N, Minneapolis, MN 55443, age 95, Phone: 763-561-3012

Neaville Dement Phones & Addresses

Safety Device For Power Operated Overhead Door
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US Patent:

49569384, Sep 18, 1990
Filed:

Jan 16, 1990
Appl. No.:

7/465506
Inventors:

Neaville L. DeMent - Brooklyn Park MN
International Classification:

E05F 1500
US Classification:

49 28
Abstract:

In conjunction with a conventional power operated overhead door, such as a garage door, which has wire cables attached to the door for assisting in raising (opening) and lowering (closing) the door, a cam plate or dog having a toothed edge can be pivotably moved to instantaneously clamp or bind against the wire cable to stop its downward movement in the event any obstacle, such as a small child, is detected in the path of the door while it is being closed. The cam plate is biased to permit the wire cable to move in a direction to open the door.

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