Entry way security chain

Details Entry way security chain Entry way security chain

1995-09-01

1996-11-12

Lindsey, Rodney M.

Closure fasteners

Extension link

Chain

292259R, E05C 1736

Patent

active

055732895

ABSTRACT:
A security means for a door or other passageway to allow the user the option of reducing tension on the securing means to open the door or other passageway slightly while still providing security by the use of a passageway security system comprising a chain or length of cable consisting of a fixture formed to accept a chain link or a loop formed at the end of a cable to accept means for securing the anchor to the door frame.

REFERENCES:
patent: 482227 (1892-09-01), Conner
patent: 977316 (1910-11-01), Kohn
patent: 2628397 (1953-02-01), Olson
patent: 3473598 (1969-10-01), Winter et al.
patent: 4564230 (1986-01-01), Haist
patent: 4974889 (1990-12-01), North

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