Releasable locking coupling pin for chain links

Details Releasable locking coupling pin for chain links Releasable locking coupling pin for chain links

1979-06-22

1981-06-09

McQuade, John

Chain, staple, and horseshoe making

Chains

Links

474207, 474234, F16G 1500

Patent

active

042716632

ABSTRACT:
Adjacent links of a chain are releasably locked together by a pin, which is inserted through the pivot joints of the chain. The pin has spaced apart shoulders which engage the outer surfaces of the outer links at the pivot joints when the pin is fully inserted in the links. The pin has a front end which is compressible to permit passage of the forward locking shoulder through the inner and outer links of the chain.

REFERENCES:
patent: 1754209 (1930-04-01), Carr
patent: 1760266 (1930-05-01), Carr
patent: 2589355 (1952-03-01), Faber
patent: 4123947 (1978-11-01), Smith et al.

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