Underneath style knife clamp with replaceable clamp wear member

Details Underneath style knife clamp with replaceable clamp wear member Underneath style knife clamp with replaceable clamp wear member

2005-12-20

2005-12-20

Banks, Derris H. (Department: 3725)

Woodworking

Process

Mechanical cutting or shaping

C144S174000, C144S176000, C241S092000, C241S298000

Reexamination Certificate

active

06976516

ABSTRACT:
A two-part blade support base for mounting a chipper knife to a chipper disc wherein the parting line between the upper part and lower part is substantially parallel to a plane defined by the chipper disc. The parting line incorporates a vertical step which transmits shear forces which would cause the upper part to move outwardly of a chip receiving surface. A screw or bolt connects the upper and lower parts of the blade base. The upper part of the blade base may be constructed of a wear resistant material.

REFERENCES:
patent: 4784337 (1988-11-01), Nettles et al.
patent: 4887772 (1989-12-01), Robinson et al.
patent: 5015018 (1991-05-01), Arnoldt
patent: 5129437 (1992-07-01), Nettles et al.
patent: 5139063 (1992-08-01), Nettles et al.
patent: 5305811 (1994-04-01), Schaefer
patent: 5765452 (1998-06-01), Roux et al.
patent: 5857508 (1999-01-01), Jonkka
patent: 6056030 (2000-05-01), Jonkka
patent: 6148882 (2000-11-01), Nettles

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