Buckles – buttons – clasps – etc. – Interchangeable button loop and pin
Patent
1975-06-13
1976-04-27
Wolfe, Robert L.
Buckles, buttons, clasps, etc.
Interchangeable button loop and pin
403206, 403209, A44B 2100
Patent
active
039523756
ABSTRACT:
The invention relates to a double clamping ring suitable for clamping coaxial or non-coaxial couplings of members having a circular or non-circular cross-section, or a tubular cross-section. Said ring consists of a single piece of metal or non-metallic wire screw-threaded at at least both ends and comprises two end sections consisting each of at least the three-fourths of a turn, these end sections being interconnected by a rectilinear or loop-shaped section, the curved junction sections between each partial turn and the rectilinear or loop-shaped section surrounding partially the screw-threaded ends to provide bearing surfaces for the tightening nuts to be engaged on said screw-threaded ends.
REFERENCES:
patent: 2295051 (1942-09-01), Roth
patent: 2327307 (1943-08-01), Jenne
Automobiles Peugeot
Regie Nationale des Usines Renault
Troutman Doris L.
Wolfe Robert L.
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