Door closing device having an adjustable length arm

Details Door closing device having an adjustable length arm Door closing device having an adjustable length arm

1983-10-24

1986-01-21

Silverberg, Fred

Miscellaneous hardware (e.g., bushing, carpet fastener, caster,

Closers

16 49, 16237, 16DIG39, 403104, E05F 100

Patent

active

045649731

ABSTRACT:
In a door closing device for an upper lock a bar structure is provided for interconnecting a shaft of the door upper lock with a door wing. The bar structure includes a main arm and an adjusting arm pivotally connected to the adjusting arm. The adjusting arm is comprised of telescopically displaceable outer and inner bars which can be locked in position by a locking member. The locked position of the bars relative to each other is secured by a slidable tube surrounding the outer bar and securable to the inner bar.

REFERENCES:
patent: 2782453 (1957-02-01), Schlage
patent: 2960718 (1960-11-01), Lasier
patent: 3710645 (1973-01-01), Bennett
patent: 4102005 (1978-07-01), Schnarr et al.

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