Portable radial drill press

Details Portable radial drill press Portable radial drill press

1996-04-15

1997-08-26

Howell, Daniel W.

Cutting by use of rotating axially moving tool

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

Movable relative to tool along tool-axis

408712, B23C 106

Patent

active

056605080

ABSTRACT:
A portable radial drill press including a base member that has a columnar support with a balance retention member. The columnar support has a first axial bore and a back side with a slit. Included is a traveling block has a rear support with a second axial bore and forked members. A columnar member is positioned within the first axial bore of the base member. The columnar member has a top end that passes into the second axial bore of the traveling block. The columnar member has a bottom portion secured within the first axial bore with a clamping bolt. A left hand feed screw is positioned within the columnar member and engaged by a feed nut screw. The feed nut screw is held about the feed screw by a first bolt and a flat screw. The first bolt passes between the fork members to engage the feed nut screw. The flat screw passes through the rear support to engage the feed nut screw. Lastly, a drill support arm with an elongated opening coupling the traveling block and large opening supporting a hand drill.

REFERENCES:
patent: 4582105 (1986-04-01), Wolff
patent: 4655649 (1987-04-01), Itzov et al.
patent: 4923341 (1990-05-01), Cameron
patent: 4932814 (1990-06-01), York
patent: 5413440 (1995-05-01), Wlllson et al.

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