Closer having door position indicator

Details Closer having door position indicator Closer having door position indicator

1988-10-17

1989-10-31

Godici, Nicholas P.

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

Closers

49 13, G08B 1308

Patent

active

048767646

ABSTRACT:
A door closer has a cam surface on its pinion shaft. A lever mounted thereadjacent works against the shaft, and when the door is closed, engages a switch to indicate remotely the condition of the door. The lever fulcrum is mounted on an eccentric arrangement so that the change from "door closed" to "door opened" position can be set at a precise point.

REFERENCES:
patent: 4220051 (1980-09-01), Catlett
patent: 4333270 (1982-06-01), Catlett
patent: 4334388 (1982-06-01), Kambic
patent: 4562664 (1986-01-01), Kambic
patent: 4721946 (1988-01-01), Zunkel

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