Paper drilling apparatus

Details Paper drilling apparatus Paper drilling apparatus

Filed on

1991-08-08

Date issued

1992-04-28

Examiner

Howell, Daniel W.

Patent Class

Cutting by use of rotating axially moving tool

SubClass

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

SubSubClass

Having tool-opposing, work-engaging surface

Other Related Categories

269 91, 269127, 269307, 408103, B23B 4100

Type

Patent

Status

active

Patent number

051082420

Description

ABSTRACT:
A vertical support post mounts a drill head thereon, wherein the drill head is reciprocatable relative to the post to effect drilling of holes within paper stacks mounted upon a reciprocating table orthogonally oriented relative to the post positioned below the drill head. A reciprocating table is mounted upon a plurality of rollers, wherein the table may be positioned relative to the rollers utilizing a plurality of adjustable stop members operative in association with a stop guide mounted to a rear edge flange of the table. A clamp member is pivotally mounted over the table to secure a paper stack thereon for a drilling procedure.

REFERENCES:
patent: 2111451 (1938-03-01), Koenig
patent: 2631587 (1953-03-01), Sourse
patent: 2866367 (1958-12-01), Wilkes
patent: 3280660 (1966-10-01), Westra

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