Aardee Spring and Lock Company Ltd

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AARDEE Spring and Lock Company Limited[edit]

Established (enter dates)
36a Clyde Place, Glasgow G5 8AN, UK.
27a Brockley Rise, London, SE23, UK.
6/10 Amber St, Manchester 4, UK.
5/7 Drury Lane (off Clothmarket) Newcastle Upon Tyne, NE1 1HL, UK.
Status: not active.


Manufacturer of the AARDEE disposable padlock.Patent number: 3937507

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. Type: Grant Filed: July 22, 1974 Date of Patent: February 10, 1976 Assignee: Aardee Spring & Lock Company Limited Inventor: John McCoag.