Door operator

Details Door operator Door operator

1985-05-09

1987-11-17

Gibson, Jr., Robert W.

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

With mounting or supporting means

160133, 160310, E05F 1100

Patent

active

047067276

ABSTRACT:
A door operator for an overhead garage door having a reversible electric motor and a gear train driving the door. Limit stops are provided, one for the "up" limit and another for the "down" limit. Each of the limit stops is independently zero setable to cut off current to the motor at a pre-selected position.

REFERENCES:
patent: 3439727 (1969-04-01), Perl
patent: 4172563 (1979-10-01), Werner et al.
patent: 4417185 (1983-11-01), Bullat

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