A - Human Necessities – 44 – C
Patent
A - Human Necessities
44
C
A44C 5/14 (2006.01) A44C 5/10 (2006.01) A44C 5/18 (2006.01)
Patent
CA 2169680
A mechanism for connecting ornamental parts of wrist watches that permits easy assembly and disassembly of the parts without using special tools and without detracting from the appearance of the wrist watches. The mechanism includes a pin and a sleeve for receiving and retaining the pin. The pin has end regions of a first diameter and at least one region located between the ends of a second, smaller diameter. The sleeve may be figure-eight shaped or obround and includes two interconnected bores of different diameter. A first larger-diameter bore is sized to loosely accommodate the larger-diameter end regions of the pin, while the second smaller-diameter bore is sized to accommodate the smaller-diameter region of the pin. In use the sleeve is inserted in an opening shaped to receive it in one part to be assembled and the parts are aligned. The pin is then inserted through both parts and the sleeve. Pulling in opposite directions on the parts forces the smaller-diameter region of the pin into the smaller-diameter bore in the sleeve where it is retained by inwardly protruding ribs between the two bores of the sleeve, or by resilient tension created by deformation of the sleeve. With the pin thus securely held in place, the two parts are firmly connected.
Hosokawa Noboru
Kojima Shunichi
Shimayama Haruyuki
Tanaka Taro
Yamamoto Akio
Borden Ladner Gervais Llp
Kabushiki Kaisha Hattori Seiko
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