Full rotation type, sheet web shearing machine

Details Full rotation type, sheet web shearing machine Full rotation type, sheet web shearing machine

1976-03-18

1977-11-15

Abercrombie, Willie G.

Cutting

With means to accomplish delayed stopping after cessation of...

83334, 83509, 83349, B26D 500

Patent

active

040580377

ABSTRACT:
A full rotation type, sheet web shearing machine comprising a rotary blade with a shearing edge, a stationary blade with a shearing edge, a motor for driving and braking the rotary blade, a cam for detecting a rotation angle of the rotary blade and gears for reducing the revolution speed of the motor. The full rotation type, sheet web shearing machine may cut sheet web to a given length. Owing to one full rotation of the rotary blade, it can cut the sheet web running continuously at a high speed without jam. The rotary blade is rotated, through gears driven by the motor and also is braked by making a braking circuit between electrical terminals of the motor so that the rotary blade is stopped at a predetermined angle.

REFERENCES:
patent: 1894815 (1933-01-01), Biggert, Jr. et al.
patent: 2193259 (1940-03-01), Sheperdson
patent: 3057239 (1962-10-01), Teplitz
patent: 3543624 (1970-12-01), Richards
patent: 3628410 (1971-12-01), Shields
patent: 3771399 (1973-11-01), Aterianus

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