Chain – staple – and horseshoe making – Chains – Attachments
Patent
1974-06-19
1976-08-17
Di Palma, Victor A.
Chain, staple, and horseshoe making
Chains
Attachments
F16G 1506
Patent
active
039746410
ABSTRACT:
The invention relates to a series of matched sets of parts for a chain system, each set including a chain link of round-section bar, a connecting member and a lockable retainer pin for retaining the link in engagement in a slot in the connecting member. The invention provides that in order to ensure that links and connecting members which are incompatible in strength cannot be joined together, the bar diameters of the chain links, the widths of the slots in the connecting members, the internal widths of the links and the diameters of the retaining pins are varied stepwise from size to size from one matched set to the next in the series.
REFERENCES:
patent: 1836169 (1931-12-01), Humphreys
patent: 2869255 (1959-01-01), Page
Crosby Gene P.
Di Palma Victor A.
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