Synchronous rotary cross cutter

Details Synchronous rotary cross cutter Synchronous rotary cross cutter

1980-10-30

1982-11-02

Yost, Frank T.

Cutting

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

Orbital motion of cutting blade

83342, 83348, B26D 162

Patent

active

043567452

ABSTRACT:
A synchronous rotary cross cutter for cutting a material web of paper or the like has two drums which synchronously rotate about parallel axes at opposite sides of the material web, and a cutting element on each drum. One of the cutting elements is elastically yieldable, and the drum for this cutting element has a helical bearing surface with an axis lying on the cutting edge of the elastically yieldable cutting element. The helical surface of the drum has such an inclination that the free angles of the elastically yieldable cutting element at the beginning and at the end of the cutting line are identical.

REFERENCES:
patent: 1398474 (1921-11-01), Strawn
patent: 2153013 (1939-04-01), Ungar
patent: 2478240 (1949-08-01), Christman
patent: 3068731 (1962-12-01), Schultz et al.
patent: 3084582 (1963-04-01), Anderson
patent: 3247746 (1966-04-01), Nystrand
patent: 3570348 (1971-03-01), Hallden
patent: 3709077 (1973-01-01), Trogan et al.
patent: 4034637 (1977-07-01), Ollery

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