Door closer position monitor

Details Door closer position monitor Door closer position monitor

1988-12-23

1990-04-10

Scott, J. R.

Electricity: circuit makers and breakers

Special application

Actuated concurrently with operation or use of art device

49 14, G08B 1308, H01H 316

Patent

active

049162675

ABSTRACT:
A door closer mechanism that controls the opening and closing swing of a door, in conjunction with an integral switch that electrically signals when the security of the closed door has been violated by partially opening the door. The device is especially important and useful in high security installations including detention facilities and features a secure field adjustment feature to accommodate door positioning and rattle.

REFERENCES:
patent: 4016381 (1977-04-01), Rodseth
patent: 4562664 (1986-01-01), Kambic

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