Tool for removing a watch case back

Details Tool for removing a watch case back Tool for removing a watch case back

1976-06-07

1978-10-24

Jones, Jr., James L.

Tools

Watchmakers'

81125, 29239, G04D 110

Patent

active

041214854

ABSTRACT:
A tool capable of removing the back of a watch from a watch case in which the watch back is of the type having an edge projection on its periphery. The watch back is received in a cylindrical cavity of the tool which has an internal inclined camming surface for contact with the edge projection on the watch back. Rotating the tool with the edge projection engaged by the inclined camming surface lifts the watch back away from the watch case.

REFERENCES:
patent: 769873 (1904-09-01), Paar
patent: 1127836 (1915-02-01), Whalen et al.
patent: 1561003 (1925-11-01), LeLoup
patent: 2985242 (1961-05-01), Papa
patent: 2987080 (1961-06-01), Chandler et al.
patent: 3161090 (1964-12-01), McLellan

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