Stone setting press

Details Stone setting press Stone setting press

1975-10-29

1978-03-07

Jones, Jr., James L.

Tools

Watchmakers'

Mainspring winders

29251, 29 10, 72452, B23P 500

Patent

active

040772845

ABSTRACT:
A stone setting press for securely fastening stones to settings comprising an arbor supported on a frame or base, shaped to receive and support a ring setting. A forming die at the end of a shaft is shaped to deform the prongs of a setting about a stone. The shaft is supported on the frame for axial movement to and from a position in which the die shapes the prongs. A leverage system having variable mechanical advantage is used to actuate the shaft.

REFERENCES:
patent: 2184356 (1939-12-01), Lindgren
patent: 2341037 (1944-02-01), Halper
patent: 2629442 (1953-02-01), Veilleux
patent: 3766809 (1973-10-01), Schneider

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