Buckles – buttons – clasps – etc. – Strap tighteners – Strap-attached folding lever
Patent
1984-05-09
1985-10-08
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Strap tighteners
Strap-attached folding lever
24 70J, 24265WS, 24585, 24616, A44C 524
Patent
active
045450951
ABSTRACT:
An extensible clasp is described for use with a watch strap of flat flexible material having at one end a portion formed with a loop fitted with a buckle and at the other end a portion providing apertures for the tongue of the buckle. The clasp comprises first and second elongated portions that are connected by a hinge pin. The outer end of the first elongated portion is pivotally mounted on one of two pins of a link element, the other pin being fitted in said loop after removal of the buckle. The second elongated portion consists of a flattened sleeve into which the apertured end portion of the strap is inserted and secured by a screw. The strap thus becomes continuous and is unlikely to slip off when being fitted round a wrist. To close the clasp, the two elongated portions are folded against each other and a hole near the outer end of the first elongated portion is pressed into locking engagement with a beak element on the second elongated portion. The first elongated portion is resilient and so curved and the hole and beak element are so positioned as to produce a snapping engagement.
REFERENCES:
patent: 857197 (1907-06-01), Patterson
patent: 1673117 (1928-06-01), Kestenman
patent: 1768868 (1930-07-01), Tost
patent: 1966063 (1934-07-01), Domler
patent: 2500649 (1950-03-01), Szeglin
patent: 2738561 (1956-03-01), Trilling et al.
patent: 3165804 (1965-01-01), Marosy
patent: 3521331 (1970-07-01), Gay
patent: 3550216 (1970-12-01), Gandelman
patent: 3696469 (1972-10-01), Kalinsky
patent: 3863299 (1975-02-01), Hocq
Omega SA
Sakran Victor N.
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