Cutting element for a wood chipping machine

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Description

FIG. 1 is a perspective view of a cutting element for a wood chipping machine showing our new design;

FIG. 2 is an end elevational view taken from the right of FIG. 1;

FIG. 3 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
269831 January 1883 Crossley
339606 April 1886 Wells
Patent History
Patent number: D258659
Type: Grant
Filed: Dec 27, 1977
Date of Patent: Mar 24, 1981
Assignee: Pitea Maskin-Industri Nystrom & Larsson AB (Pitea)
Inventors: Kjell S. Nystrom (Pitea), Gosta I. Larsson (Pitea)
Primary Examiner: B. J. Bullock
Attorney: Davidson C. Miller
Application Number: 5/864,249
Classifications
Current U.S. Class: Cutting Tool, E.g., Drill Bit, Etc. (D15/139)
International Classification: D1509;