Door security track

Details Door security track Door security track

1989-09-08

1992-02-18

Rowan, Kurt

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

Closers

Spring and lever

49 13, E05F 100

Patent

active

050881523

ABSTRACT:
A tamper proof security door track and position means such as a door closer or door position indicator wherein the track is fully enclosed in the door closed position and protected by a slide closure in the open position to prevent debris from entering the track.

REFERENCES:
patent: 3164404 (1965-01-01), Arnold
patent: 4334388 (1982-06-01), Kambic
patent: 4835905 (1989-06-01), Lasier et al.
patent: 4837890 (1989-06-01), Tully et al.
patent: 4876764 (1989-10-01), Teague, Jr.

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