Detectable cutter knife and method for making same

Details Detectable cutter knife and method for making same Detectable cutter knife and method for making same

1992-03-10

1993-08-17

Yost, Frank T.

Cutting

Processes

83 621, 83303, 83337, B26D 722

Patent

active

052358801

ABSTRACT:
A detectable cutter knife (100) is useful as a replacement for a conventional cutter knife used in product inspection and cutting systems of the type having a cutting wheel assembly. The cutting wheel assembly includes a knife guide having angularly spaced radially oriented knife support slots through which cutter knives having tangs extending therefrom move between a retracted noncutting position and an extended cutting position. The detectable cutter knife (100) includes a shank (102), a tang (114), and an amount of metallic material in the shank sufficient to stimulate a metal detector. The use of metallic material in the shank permits automatic and efficient detection of a broken cutter knife (100) and its removal from product flow. Preferably, the metallic material takes the form of a ball bearing (152) secured within a hole (150) positioned in a low-stress area (154) of shank (102).

REFERENCES:
patent: 4074868 (1978-02-01), Link
patent: 4178684 (1979-12-01), Mightly
patent: 4520702 (1985-06-01), Davis et al.
patent: 4969267 (1990-11-01), Anenberg
patent: 5029504 (1991-07-01), Wilbur et al.

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