Pivot hung power operated door and inertia insensitive disconnec

Details Pivot hung power operated door and inertia insensitive disconnec Pivot hung power operated door and inertia insensitive disconnec

1975-03-03

1977-02-15

Downey, Kenneth

Movable or removable closures

Optionally moved, manually, or by motor

49141, 49326, 49340, E05F 1554

Patent

active

040075575

ABSTRACT:
An inertia insensitive disconnectable drive linkage connects a power operator to a swinging door and comprises a door bracket fixed to the door and an arm operator pivoted thereto. A latch positively locks the operator arm to the bracket during normal powered swing of the door. A cam on the door frame releases the latch when the door is swung beyond the door closed position in the opposite direction of opening during emergency operation.

REFERENCES:
patent: 2149870 (1939-03-01), Roby
patent: 3210067 (1965-10-01), Ferguson et al.
patent: 3675370 (1972-07-01), Catlett

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