Cutting link for a saw chain

Details Cutting link for a saw chain Cutting link for a saw chain

1989-05-16

1990-12-25

Phan, Hien H.

Cutting

Cutter assemblage or cutter element therefor

Having noncutting depth gauge

83830, B27B 3314

Patent

active

049794167

ABSTRACT:
The invention is directed to a cutting link for a saw chain of a motor-driven chain saw. Since the cutting links of the saw chain wear differently at the forward and rearward running surfaces, the cutting link tilts in a direction opposite to the direction of movement of the saw chain whereby a free angle conjointly defined by the roof of the cutting tooth and the cutting plane becomes larger. However, a larger free angle changes the cutting performance of the saw chain. In order to obtain an approximately uniform cutting performance over a longer period of operational use, the tooth roof can be configured over its length to define free angles which become smaller whereby the enlargement of the free angle occurring during the tilting of the cutting link caused by wear is compensated.

REFERENCES:
patent: 2736352 (1956-02-01), Wright
patent: 3176733 (1965-04-01), Dobbertin
patent: 3951027 (1976-04-01), Arff

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