Ronald H Carlson

US Patent:

45389438, Sep 3, 1985

Filed:

Aug 20, 1984

Appl. No.:

6/642703

Inventors:

James E. Clifton - El Cajon CA
Ronald F. Carlson - San Diego CA

Assignee:

General Dynamics Corporation/Convair Div. - San Diego CA

International Classification:

B23B 4514

US Classification:

408 14

Abstract:

A nosepiece for a drill motor. The nosepiece is adjustable to allow the nosepiece length to be changed rapidly to compensate for different drill lengths. The nosepiece is threaded to mate with threads on the drill motor housing and can be adjusted longitudinally along the motor center line axis. When the nosepiece is threaded along the housing to a desired location it is locked in place by a locking ring keyed to the nosepiece and fixed in position on the drill motor housing by a hand adjustable set screw.

US Patent:

45346828, Aug 13, 1985

Filed:

Dec 27, 1982

Appl. No.:

6/453308

Inventors:

Ronald F. Carlson - La Jolla CA

Assignee:

General Dynamics Corporation/Convair Div. - San Diego CA

International Classification:

B23B 4504

US Classification:

408 14

Abstract:

A feed rate attachment for a drilling tool or the like. The drilling tool is equipped with a piston attached thereto operating within a cylinder positioned against the work-piece. A hydraulic damper is utilized to linearly resist the movement of the drilling tool attached piston relative to the cylinder.