Rotary punching device

Details Rotary punching device Rotary punching device

1996-09-26

1999-03-30

Jones, Eugenia A.

Cutting

With control means responsive to replaceable or selectable...

83164, 83295, 83311, 83324, 83345, 83364, 83670, B26D 156, B26F 110

Patent

active

058875026

ABSTRACT:
A rotary punching device for punching a hole on a sheet includes: a first rotary shaft having an outer peripheral surface; a punch mounted on the outer peripheral surface of the first rotary shaft; a second rotary shaft arranged in parallel with the first rotary shaft, the second rotary shaft having an outer peripheral surface; a die mounted on the outer peripheral surface of second rotary shaft; a motor connected to the first and second rotary shafts to synchronously drive the first and second rotary shafts such that the punch and the die are engaged with each other within a predetermined rotational angle range; a sheet feeding mechanism for feeding the sheet into between the first and second rotary shafts at a constant sheet feeding speed to punch the sheet by the punch and the die; and controller for controlling the rotation speed of the motor referring to the sheet feeding speed.

REFERENCES:
patent: 1993041 (1935-03-01), Singer
patent: 2604167 (1952-07-01), Oliver
patent: 3106859 (1963-10-01), Huffman
patent: 4083273 (1978-04-01), Hillman et al.
patent: 4090118 (1978-05-01), Smith, Jr.
patent: 4183271 (1980-01-01), Martin
patent: 4273015 (1981-06-01), Johnson
patent: 4294146 (1981-10-01), Ohtake
patent: 4453436 (1984-06-01), Tokuno
patent: 4594923 (1986-06-01), Fujita
patent: 4667551 (1987-05-01), Kuromaru et al.
patent: 4805501 (1989-02-01), Nuttin
Patent Abstracts of Japan, JP 06 182697, vol. 18, No. 524, 4 Oct. 1994.
Patent Abstracts of Japan, JP 07 136995, vol. 95, No. 8, 29 Sep. 1995.
Patent Abstracts of Japan, JP 07 040293, vol. 95, No. 5, 30 Jun. 1995.

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