Sawchain

Details Sawchain Sawchain

1989-05-25

1990-01-30

Schran, Donald R.

Cutting

Cutter assemblage or cutter element therefor

Having diverse cutting elements

83174, 83830, B27B 3314

Patent

active

048965758

ABSTRACT:
A sawchain designed for resharpening while it is idling around the drive sprocket has cutting links (16) on the left and right sides with depth gauges (10) and spade-shaped cutters (22) which between their front (12) and rear borders (14) have a fold (13) substantially perpendicular to the lengthwise direction of the sawchain with the concave side outwards away from the central plane, permitting the rear border (14) and the side edge (12) to contact the side walls of the kerf. The depth gauge (10) is placed so far forward on the cutter links (16) that the chip thickness (19) is sufficient when the sawchain is straight. The intermediate drivelinks (21) may be provided with raker teeth (17) located so far to the rear that they do not touch the bottom of the kerf when the chain is straight, but only loosen and convey the chips cut by the cutters (22) of the cutter links (16).

REFERENCES:
patent: 3170497 (1965-02-01), Ehlen et al.
patent: 3189064 (1965-06-01), Frederickson
patent: 3601167 (1971-08-01), Dolata
patent: 3921490 (1975-11-01), Dolata et al.
patent: 4535667 (1985-08-01), Gibson et al.

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