Personal security lock

Details Personal security lock Personal security lock

1982-01-25

1984-09-18

Smith, Gary L.

Closure fasteners

Portable securer plate or bar

Sliding holding member

292295, E05C 1918

Patent

active

044719817

ABSTRACT:
A security lock for attachment to the inside of a door which is secure, pick-proof, adaptable to any door-lock and door-frame combination and is easily locked and unlocked by the user. The lock is characterized by having a hook end to engage the striker plate depression and a slideable lock piece that engages the shank of the lock at adjustable positions to lock upon its serrated or toothed edge against the door and frame at their juncture and thus prevent the door from being swung inwardly.

REFERENCES:
patent: 793098 (1905-06-01), Rohrer
patent: 866548 (1907-09-01), Wilkinson
patent: 1166692 (1916-01-01), Kennedy
patent: 1339856 (1920-05-01), Moore
patent: 1412340 (1922-04-01), Cruikshank
patent: 1467057 (1923-09-01), Moglich
patent: 3161428 (1964-12-01), Zook
patent: 3352587 (1967-11-01), Harvey
patent: 3416333 (1968-12-01), Weingart

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