Door mounted operating mechanism for an overhead door

Details Door mounted operating mechanism for an overhead door Door mounted operating mechanism for an overhead door

1984-11-28

1986-09-16

Kannan, Philip C.

Movable or removable closures

Up-and-over type; e.g., moves from vertical to withdrawn...

With operator

49358, E05F 1520

Patent

active

046114300

ABSTRACT:
An operating mechanism for an overhead door has a drive pulley mounted on the door. A drive motor is coupled to the pulley. An arm pivotally mounted on the door extends from the upper portion of the door generally in the direction of opening movement of the door. A guide cable is mounted on the end of the arm. A drive cable strung above the door extends in a path from the front of the building, around the guide pulley, around the drive pulley, and over the guide pulley to the rear of the building. The guide pulley prevents contact between the top of the door and the cable. The drive motor may be movably mounted in the operating mechanism for performing a variety of control functions.

REFERENCES:
patent: 1465695 (1923-08-01), Stewart
patent: 2751219 (1956-06-01), Dodge
patent: 2770455 (1956-11-01), Brister
patent: 3591981 (1971-07-01), Law
patent: 3708917 (1973-01-01), Streeter
patent: 4131830 (1978-12-01), Lee et al.
patent: 4147073 (1979-04-01), Mercier
patent: 4167833 (1979-09-01), Farina et al.

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