Feed mechanism

Details Feed mechanism Feed mechanism

1991-07-26

1992-07-21

Howell, Daniel W.

Cutting by use of rotating axially moving tool

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

Having tool-opposing, work-engaging surface

408102, 408111, 408712, B23B 4514

Patent

active

051317931

ABSTRACT:
A feed mechanism, for use with a right angle drill, capable of feeding a drill bit into a workpiece at variable thrust and position. The feed mechanism, attached to the cutting end of the drill, utilizes the mechanical advantage of a threaded member to feed the drill bit into and out of the workpiece. The entire drill and feed mechanism is held stationery during operation by a holding means which is fixedly attached to the workpiece and in which the feed mechanism is locked.

REFERENCES:
patent: 1584071 (1926-05-01), Arnold
patent: 1813785 (1931-07-01), Weber
patent: 2463266 (1949-03-01), Habenicht
patent: 2463691 (1949-03-01), Habenicht
patent: 3884592 (1975-05-01), Shulters
patent: 4011024 (1977-03-01), Nakano et al.
patent: 4668134 (1987-05-01), Vindez

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