Hole punching device

Details Hole punching device Hole punching device

1981-05-15

1983-12-20

Meister, James M.

Cutting

Operation controlled by detector means responsive to work

Actuation of tool controlled in response to work-sensing means

83513, 83522, 83571, 234108, B26F 104

Patent

active

044210000

ABSTRACT:
An improved apparatus is disclosed for simultaneously electrically selecting an array of punches for forming holes in paper suitable for engagement with loose leaf binders or the like. The punches are electrically activated and are mounted in a housing and include a switch mounted on the housing whereby the insertion of paper into the housing will automatically activate the punches which simultaneously form holes in the paper. A corresponding set of indicator lights may be mounted on the housing to signal which punches have been selected.

REFERENCES:
patent: 2618338 (1952-11-01), Bennes
patent: 2923354 (1960-02-01), Pobog et al.
patent: 2957380 (1960-10-01), Duncan et al.
patent: 2985052 (1961-05-01), Mentzer et al.
patent: 3427914 (1969-02-01), Staats et al.
patent: 3525471 (1970-08-01), Keen
patent: 3644932 (1972-02-01), Wallace et al.
patent: 3667334 (1972-06-01), Brunett
patent: 3874584 (1975-04-01), Foley
patent: 4000673 (1977-01-01), Lyon

Affiliated with

Also associated with

Rating

Hole punching device does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-102142