Importance

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Abstract

A changeable key plug type padlock including a padlock body formed as an upper body section and a lower body section defining a pair of companion relatively displaceable body sections having correspondingly shaped outer peripheries in cross-section forming continuations of each other in aligned registered relation. The padlock casing has laterally spaced sockets disposed partially in both companion body sections opening through the upper portion of the padlock body for receiving legs of a shackle and a central substantially cylindrical plug cavity located between the sockets. The lower padlock body section having an elongated slideway cavity communicating with the plug cavity and extending from the zone overlying the plug cavity through one end of the lower padlock body section, defining a slideway portion bounded laterally by alternating tongue and groove formation, and the upper body section has an integral downwardly extending slide formation at the bottom thereof conforming substantially to the shape of the slideway cavity. A rotatable adaptor cam in an upper portion of the plug cavity is rotatable by the key lock plug between a locking position and first and second shackle release portions and has formations receiving a projection from the slide formation to restrain the slide formation and upper body section against movement from aligned registry with the lower body section when the adaptor cam occupies the locking position and the first release position and to release the body section for coupling and decoupling movement at said second release position.

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First Claim