Apparatus for use in forming a finish on a jewelry band

Details Apparatus for use in forming a finish on a jewelry band Apparatus for use in forming a finish on a jewelry band

1979-12-26

1981-08-25

Watson, Robert C.

Work holders

Holder inserted within work aperture

Holder mounted for movement

B25B 514

Patent

active

042855055

ABSTRACT:
An apparatus for use in forming a finish on a jewelry band includes a base including a base plate mountable to a fixed support and having a threaded bore oriented normally to the surfaces of the plate, a chassis including a chassis plate locatable adjacent the base plate and having a bore therethrough, the chassis also including a pair of supports mounted to the chassis plate, threaded screw means for securing the chassis plate to the base plate, and a mandrel having a frustro-conical shape for allowing the mounting of jewelry bands thereon, the supports having apertures therein for mounting the mandrel therein, wherein the chassis plate is rotatable with respect to a work surface upon which the apparatus is placed.

REFERENCES:
patent: 2675609 (1954-04-01), Miller
patent: 2969231 (1961-01-01), Mills
patent: 4103882 (1978-08-01), Winzelberg

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