Expansible clasp and module for watch straps

Details Expansible clasp and module for watch straps Expansible clasp and module for watch straps

1981-07-06

1983-11-15

Swiatek, Robert P.

Buckles, buttons, clasps, etc.

Strap-end-attaching devices

Buckle connected

224175, A44C 518, A44C 1102

Patent

active

044147147

ABSTRACT:
Disclosed are expansible clasp and module constructions for connecting the free ends of a watch strap together while at the same time providing adequate expansion along the length of the strap to permit removal of the strap over the hand of the wearer without having to disconnect the free strap ends. The expansible clasp and module constructions employ one or more spring-biased sliding members disposed in a housing elongated along the strap length. In the clasp construction, the outer end of the sliding member effects releasable connection to one free strap end while one end of the housing is permanently attached to the other free strap end. The sliding member slides out of the housing against the spring bias in one direction along the strap length for expansion purposes during removal of the strap. In the module construction, a pair of superimposed sliding members is positioned in the housing with the outer end of each sliding member permanently attached to the adjacent free strap end at opposite ends of the housing. The sliding members slide out of the housing in opposite directions against the spring bias to provide for expansion in both directions along the length of the strap while the housing floats therebetween. Removal of the strap over the hand of the wearer without disconnecting the strap ends is thus greatly facilitated.

REFERENCES:
patent: 1493449 (1924-05-01), Person
patent: 1774544 (1930-09-01), Barrowman
patent: 3376619 (1968-04-01), Brunet
patent: 3557412 (1971-01-01), Hauser

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