Chain – staple – and horseshoe making – Chains – Links
Patent
1977-08-08
1978-08-15
Lanham, C.W.
Chain, staple, and horseshoe making
Chains
Links
F16G 1504
Patent
active
041062841
ABSTRACT:
A coupling link having two half links, each half link comprising a U-shaped member, each of the ends of each of the arms of the U-shaped members having at least one ear. The plurality of ears each have an opening therethrough, the axes of the openings being substantially perpendicular to the arms of the U-shaped members. The plurality of ears are adapted to interact with each other so that the openings through the ears will be coaxial and will be adapted to receive a hardened steel pin which will lock the two halves of the link together. The pin is locked into position within the openings of the ears by means of a spacer which is adapted to fit between the ears and is in the form of a cylindrical spacer split along a diameter. The internal diameter of the spacer is substantially the same as that of the pin. A circular or cylindrical spring means is provided to surround the outer surface of the spacer, and to press the two halves of the spacer together, so that they will press against the pin with sufficient force to prevent the pin from moving longitudinally.
REFERENCES:
patent: RE27620 (1973-04-01), Crook
patent: 3134221 (1964-05-01), Bergman
patent: 3373560 (1968-03-01), Manney
patent: 3828550 (1974-08-01), Fink
patent: 3846978 (1974-11-01), Schreyer
patent: 3899873 (1975-08-01), Fink
American Hoist & Derrick Company
Crosby Gene P.
Lanham C.W.
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