Feed roll with spikes

Details Feed roll with spikes Feed roll with spikes

1981-04-10

1983-05-31

Bray, W. D.

Woodworking

Feeder or presser

Feed roll

144246F, 198692, B27B 3100

Patent

active

043856500

ABSTRACT:
An improved feed roll for logs and the like has a plurality of radially extending trapezoidally shaped pyramids spaced circumferentially about the surface. In adjacent rows an offset may be provided and certain dimensional relationships are provided to yield increased traction with a reduction in tree surface damage.

REFERENCES:
patent: 4057192 (1977-11-01), Smith
Studies of Damage Done to Timber by Delimbing-Slashing Machines Provided with Different Types of Feed Rollers by Bo Magnusson, May 1978, p. 50.
Dubbens Utformning Augor Matningskraften by Richard Uusijarvi.

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