Portable peck feed drilling system

Details Portable peck feed drilling system Portable peck feed drilling system

1996-05-24

1998-11-10

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Means to drive tool

Including means to move tool along tool-axis

408702, B23B 4504

Patent

active

058334041

ABSTRACT:
A peck feed drill incorporates a motor gear quill and a feed control assembly together on a moving race track shaped piston. External construction of the housing permits mounting of an indexing adaptor plug for attachment of drill bushings. Internal construction of the housing provides for passage of air to the various components to which control tool operation. Valves within the air logic circuitry are multi-functional to minimize the number of parts.

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