Device for locating piano hammers for drilling

Details Device for locating piano hammers for drilling Device for locating piano hammers for drilling

1977-05-02

1978-04-25

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Having tool-opposing, work-engaging surface

408115R, 144 93R, 145129, 269 60, 269 71, B23B 4728

Patent

active

040860175

ABSTRACT:
A device for supporting piano hammers for drilling a stem supporting opening therethrough which includes adjusting elements that serve to selectively locate the hammer supporting portion of the device in a preselected position to effect drilling an opening which will extend through the longitudinal axis of a piano hammer and at any desired angle relative to a plane normal with this axis.

REFERENCES:
patent: 1103507 (1914-07-01), Hale
patent: 1246005 (1917-11-01), Parsons
patent: 1530566 (1925-03-01), Lobbett
patent: 2203162 (1940-06-01), Lee
patent: 2471940 (1949-05-01), Dion
patent: 3591303 (1971-07-01), Conway

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