Security mail box lock assembly

Deposit and collection receptacles – Letter boxes

Patent

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Details

232 41D, B65D 9100

Patent

active

055867189

ABSTRACT:
A lock assembly for installation on a rural type mail box. The lock installation provides for pre-setting the lock so that the mail person can gain access to the box upon initial door opening. Closing the door activates the lock, locking the box from further access until unlocked by the owner. A spring urged catch is displaced by the lock during pre-set positioning.

REFERENCES:
patent: 3802619 (1974-04-01), Vanderveer
patent: 4382540 (1983-05-01), Kelly et al.
patent: 4447005 (1984-05-01), Kelly
patent: 4669764 (1987-06-01), Bruck
patent: 4703635 (1987-11-01), Wyatt
patent: 4726512 (1988-02-01), White
patent: 4815656 (1989-03-01), Smith et al.
patent: 5082169 (1992-01-01), Aurness et al.
patent: 5143284 (1992-09-01), Socarras
patent: 5407126 (1995-04-01), Coultas
patent: 5476220 (1995-12-01), Cohoon

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