Cutting or ripping blade

Details Cutting or ripping blade Cutting or ripping blade

1987-08-27

1989-04-18

Schran, Donald R.

Cutting

Tool or tool with support

Toothed blade or tooth therefor

83667, 83838, 51209R, 125 15, B27B 3308

Patent

active

048216178

ABSTRACT:
A cutting blade (1) comprising a disc (2) intended for rotation and having attachment means arranged in its center of rotation (3') and teeth (5) or the like arranged on the periphery thereof. Formed in the disc (2) are slots (7, 8) or recesses which extend from the radially inward part (3) of the disc out towards its periphery (6) in a manner to form therebetween elongated disc-material sections (11, 11'). Arranged on one side of a line (12) which extends between the rotational center (3') and that part (11a) of the material section (11) facing the periphery is a zone (13), preferably a material zone, adapted when subjected to high load to take-up elastically, or substantially elastically, substantially all the changes in length and/or shape occuring primarily in the peripheral part (6) of the disc as a result of centrifugal forces, variations in heat etc.

REFERENCES:
patent: 212813 (1879-03-01), Miller
patent: 1083645 (1914-01-01), Wettstein
patent: 3981216 (1976-09-01), Lemmon
patent: 4257301 (1981-03-01), Tuomaala
patent: 4407178 (1983-10-01), Storzer
patent: 4574676 (1986-03-01), Jansen-Herfeld
patent: 4584220 (1986-04-01), Jansen-Herfeld

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