Drilling machine

Details Drilling machine Drilling machine

1981-05-04

1983-10-11

Garrett, Robert E.

Cutting by use of rotating axially moving tool

Machine including plural tools

Plural, simultaneously operational tools

408 52, 408 95, 408 98, B23B 3916, B23B 4726, B26D 702

Patent

active

044089341

ABSTRACT:
A drilling machine for drilling a stack of paper, comprises a first movable member moving along directions to press the stack of paper and to remote from the stack of paper and elastically supporting a pressing plate, a second movable member supporting a drilling mechanism and moving along the directions, and a control device for causing first and second driving mechanisms simultaneously to drive the first and second movable members respectively in the direction to release the stack of paper from compression and to separate the drilling mechanism from the stack of paper, whereby the stack of drilled paper is released from compression and the drilling mechanism is separated from the stack of drilled paper.

REFERENCES:
patent: 949195 (1910-02-01), McBee
patent: 1710744 (1929-04-01), Roe
patent: 2749561 (1956-06-01), Rush
patent: 3122867 (1964-03-01), Gross
patent: 3684391 (1972-08-01), Liouville et al.
patent: 4061436 (1977-12-01), Durrer

Affiliated with

Also associated with

Rating

Drilling machine does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drilling machine, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drilling machine will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1272756