Safety lock

Details Safety lock Safety lock

1993-06-21

1994-11-22

Cuomo, Peter M.

Locks

Portable

70DIG63, 292307R, E05B 7300

Patent

active

053657578

ABSTRACT:
A safety lock defining one and another, substantially rigid, elongated legs, the one leg defining an outer first leg portion and an inner second leg portion, and the another leg defining an inner third leg portion and an outer fourth leg portion, and an arcuate web integrally joining the second and third leg portions; the web being made from a resilient material whereby the web forms a hinge for relative movement of the one and another legs; the fourth leg portion including a channel, being releasably engaged by the first leg portion whereby the second and third leg portions form with the web a large shackle-like structure for use in locking a utility control box, and ears, for use in receiving the small shackle of at least a few padlocks whereby the first leg portion thereafter becomes locked into the channel; and a notch arrangement, for automatically but releasably retaining a free end tip of the first leg portion against the channel distal end, even when no padlock shackle engages a corresponding ear.

REFERENCES:
patent: 1197020 (1916-09-01), Farrar
patent: 2816434 (1957-12-01), Olson
patent: 3372952 (1968-03-01), Newton
patent: 3568482 (1971-03-01), Shears
patent: 3703821 (1972-11-01), Dorey
patent: 4864834 (1989-09-01), Waite
patent: 5020342 (1991-06-01), Doan et al.
"Lock Out Employee Injuries", 1992 General Catalog Personal & Environmental Safety, Lab Safety Supply pp. 395-397 .COPYRGT.1991 1st Ed.

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