Positive feed drill with rapid advance

Details Positive feed drill with rapid advance Positive feed drill with rapid advance

1976-12-09

1978-04-11

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Means to drive tool

Including means to move tool along tool-axis

408 14, B23B 4718

Patent

active

040836460

ABSTRACT:
A portable positive feed drilling device in which there is a spindle carrying a cutting tool with means for rotating the spindle and the cutting tool in order to perform a cutting operation on the work, and in which there is a normal speed spindle feed means and a rapid advance spindle feed means, either of which may be caused to feed said spindle toward said work.

REFERENCES:
patent: 3124817 (1964-03-01), Mosier
patent: 3512434 (1970-05-01), Juhasz et al.
patent: 3767313 (1973-10-01), Bohoroquez et al.

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