Buckles – buttons – clasps – etc. – Strap tighteners – Cam lever and loop
Patent
1985-03-12
1986-10-28
Lyddane, William E.
Buckles, buttons, clasps, etc.
Strap tighteners
Cam lever and loop
24 71J, 24 70J, 24589, 24685, A44B 1128
Patent
active
046190228
ABSTRACT:
A double-safety catch for a bracelet, for example a watch bracelet, has a first closure element pivotally mounted at one end of a first portion of the bracelet for swinging about an axis transverse to the length of the bracelet. The first closure element passes through an opening in the end of the second portion of the bracelet and has a projecting catch which prevents accidental withdrawal of the first closure element from the opening and serves for locking resilient engagement with a rib on the first portion to trap the end of the second portion. A second closure element is pivotable about an axis extending longitudinally of the bracelet to cover the first closure element and to engage with a spring locking device which is manually releasable.
REFERENCES:
patent: 1749036 (1930-03-01), Kuehne
patent: 1749997 (1930-03-01), Carlson
patent: 1852462 (1932-04-01), Johnson
patent: 3913182 (1975-10-01), Fontana
patent: 3992757 (1976-11-01), Danna
Cranmer Laurie K.
Lyddane William E.
Omega SA
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