Jeweler's hammer bit

Details Jeweler's hammer bit Jeweler's hammer bit

1989-10-27

1990-12-11

Watts, Douglas D.

Cutlery

Perforating or indenting implements

Pointed

76119, B26F 100, B21K 2100

Patent

active

049760335

ABSTRACT:
The invention diamond-tipped bit that is used with a jeweler's hammer. The bit has a shaft portion that has formed on one end a threaded portion for screwing the bit into the threaded receiving portion of a jeweler's hammer. On the other end of the shaft is formed a bore. A diamond is placed within the bore so that the rear flat portion of the diamond is flush against the rear surface of the bore. The annular rim of the bore is circumferentially pressure-folded back into the diamond, leaving the working portion of the diamond protruding from the shaft and the folded rim.

REFERENCES:
patent: 1370662 (1921-03-01), Michol
patent: 1624197 (1927-04-01), Abelt

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