Lever operated punch with punch head adjustment arrangement

Details Lever operated punch with punch head adjustment arrangement Lever operated punch with punch head adjustment arrangement

1997-02-19

1998-11-03

Rachuba, Maurina T.

Cutting

Means to drive or to guide tool

With simple rectilinear reciprocating motion only

83634, B26D 508

Patent

active

058293345

ABSTRACT:
A hand-operated punch with adjustable assembly punch units and a slipper to receive punched out discs in which the assembly units are adjustable from the bottom through an opening in the slipper. The punch includes a strengthening flap configuration and the assembly units slide but do not turn during adjustment.

REFERENCES:
patent: 1655315 (1928-01-01), Finley
patent: 2137716 (1938-11-01), Fass
patent: 2244660 (1941-06-01), Carpenter
patent: 2474344 (1949-06-01), Carpenter
patent: 2534094 (1950-12-01), Yerkes
patent: 3073199 (1963-01-01), Yerkes
patent: 3392913 (1968-07-01), Neilsen
patent: 4036088 (1977-07-01), Ruskin
patent: 4656907 (1987-04-01), Hymmen
patent: 4688457 (1987-08-01), Neilsen et al.
patent: 4898055 (1990-02-01), Neilsen et al.
Office Depot Catalog 27, Fall, 1995, "Acco Lever Paper Punch", includes picture and description of adjustable 3-hole paper punch, Part #996-926, Aug. 1995.
Office Depot Catalog 33, Fall 1997, "Acco Model 20L Lever Adjustable Punch", includes picture and description of adjustable 3-hole paper punch, Part #996-926, Aug. 1997.

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