Padlock with key indicator

Details Padlock with key indicator Padlock with key indicator

1993-05-10

1994-05-10

Cuomo, Peter M.

Locks

Portable

Padlocks

70 55, 70454, 40299, E05B 1508

Patent

active

053097416

ABSTRACT:
A padlock having a body, a U-shaped keeper at one end of the body, and a key receptor at the opposite end of the body, the body containing a row of pieces to be engaged by key teeth comprising an indicator device on the body; the device having a location on the body relative to the pieces to indicate the left or right directional orientation of key teeth insertion into the receptor, to effect opening of the padlock keeper; and the indicator device extending in the direction of key insertion.

REFERENCES:
patent: 952254 (1910-03-01), Jackson
patent: 1316663 (1919-09-01), Zadorozny
patent: 1527336 (1925-02-01), Voda
patent: 1751153 (1930-03-01), Hauser
patent: 1868563 (1932-07-01), Cicourel
patent: 2632266 (1953-03-01), Sellwood
patent: 4112715 (1978-09-01), Uyeda
patent: 4253321 (1981-03-01), Sorensen
patent: 4317344 (1982-03-01), Barnard
patent: 4913981 (1990-04-01), Hynes et al.
patent: 5109686 (1992-05-01), Toussant

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