Passive web cutter

Details Passive web cutter Passive web cutter

1989-07-31

1990-05-01

Yost, Frank T.

Cutting

Cutting motion of tool has component in direction of moving...

Tool flies by engagement with the work

83 63, 83175, 83176, 83183, 83310, 83322, 83341, 83360, 83674, 83DIG1, 242 56R, B26D 714

Patent

active

049208420

ABSTRACT:
A web cutter for use in high speed web transport machines has a roller with a hub, two flanges and three knives supported on the hub between the flanges. In one preferred embodiment the web rides on shoulders provided on the flanges. In another embodiment, the web rides on spacers that are held in position by spring biased conically tipped pilot pins. In a third embodiment the web rides on a slotted cylinder. In all embodiments the web is brought into engagement with one of the knives directly in response to excessive tension in the web.

REFERENCES:
patent: 2242645 (1941-05-01), Frost
patent: 3270599 (1966-09-01), Kleist
patent: 3506518 (1970-04-01), Klein
patent: 3557648 (1971-01-01), Coffin
patent: 3881383 (1975-05-01), Alverth et al
patent: 4175456 (1979-11-01), Seragnoli
patent: 4404880 (1983-09-01), De Luca
patent: 4527750 (1985-07-01), Juntti

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