Slitter knife holder

Details Slitter knife holder Slitter knife holder

1993-05-24

1994-12-20

Jones, Eugenia

Cutting

Tool or tool with support

Rotatable type

83497, 83501, 8369841, B23D 1900, B26D 124

Patent

active

053737660

ABSTRACT:
A holder for a circular cutting knife for slitting sheet metal, comprising a precision ground mounting shaft for attaching the cutting knife, the mounting shaft rotatably retained within a housing by engaging sets of high precision ball bearings. The ball bearings are located within the housing by a set of precision ground bearing spacers and precision ground bearing retainers. The bearings are preloaded in the housing to minimize longitudinal movement of the mounting shaft during operation. Additionally, the housing containing the bearings is tapered on one surface so that the cant of the knife blade can be adjusted by reversing the orientation of the housing.

REFERENCES:
patent: 3143024 (1964-08-01), Markowski
patent: 3905264 (1975-09-01), Eddy
patent: 4320677 (1982-03-01), Tahara
patent: 4428120 (1984-01-01), Kobayashi et al.
patent: 4485714 (1984-12-01), Eriksson
patent: 4572047 (1986-02-01), Punater et al.
patent: 4614142 (1986-09-01), Fritz et al.
patent: 4784030 (1988-11-01), Waring
patent: 4922778 (1990-05-01), Nagai
patent: 4934238 (1990-06-01), Lauffer

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