Padlock

Details Padlock Padlock

1974-07-22

1976-02-10

Nunberg, Casmir A.

Closure fasteners

Seals

Rigid shackle ends

292318, 292307R, B65D 2730

Patent

active

039375072

ABSTRACT:
A disposable padlock which cannot be opened by a key but whose locking effect can only be nullified by the use of sufficient force to deform the padlock. A shackle is automatically engaged when inserted into a body portion of the padlock. Engagement members mounted in the body portion are biassed to engage recesses in limbs of the shackle in such a way that the padlock will deform before the shackle will be removed by the application of force. Means may be provided for preventing rotation of the limbs of a sheared shackle engaged by the body portion.

REFERENCES:
patent: 1132970 (1915-03-01), Peyton
patent: 1333276 (1920-03-01), Murray
patent: 1577678 (1926-03-01), Behrman
patent: 1826033 (1931-10-01), Webster
patent: 1976089 (1934-10-01), Peake
patent: 2006051 (1935-06-01), Keidel
patent: 2144336 (1939-01-01), Katz
patent: 3572795 (1971-03-01), Howard
patent: 3602538 (1971-08-01), Canter

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