Horology: time measuring systems or devices – Cases – Wrist worn
Patent
1997-12-24
2000-04-25
Roskoski, Bernard
Horology: time measuring systems or devices
Cases
Wrist worn
224175, 24265WS, G04B 3700, A44C 500
Patent
active
060536306
ABSTRACT:
An elongated annular element to be worn around a user's wrist includes an expandable band including a multitude of expansion links situated adjacent one another longitudinally of the band and resiliently movable apart. Two such expansion links are separated from one another to form a gap, and an extension arrangement is interposed between them to span such gap. The extension arrangement includes a plurality of extension links situated next to one another. Any desired number of the extension links, as well as the connecting expansion links, are connected to one another to give the extension arrangement the length desired for extending the annular element. Each of the links to be connected includes at least one of the following two counterpart formations: a pair of lugs spaced from one another transversely of the annular element and each provided with a through aperture therein, and a sleeve-shaped portion bounding an elongated passage. A resiliently telescopically expandable and retractable elongated connecting pin having a main body received in respective one of the passages, and two end portions each received in one of the apertures of the associated ones of the lugs achieves the desired connection.
REFERENCES:
patent: 2871655 (1959-02-01), O'Larte et al.
patent: 3237395 (1966-03-01), Bennett
patent: 3416305 (1968-12-01), Rieth
patent: 4096688 (1978-06-01), Rieth
Arndt Robert H.
Polansky Edwin H.
Arndt Robert H.
Polansky Edwin H.
Popowich Lisa B.
Roskoski Bernard
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