Cutting or ripping blade

Details Cutting or ripping blade Cutting or ripping blade

B - Operations, Transporting

27

B

143/76

B27B 33/08 (2006.01) B23D 61/02 (2006.01) B24D 5/12 (2006.01)

Patent

CA 1239567

ABSTRACT A cutting blade (1) comprising a disc (2) intended for rotation and having attachment means arranged in its centre 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 centre (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 occur- ring primarily in the peripheral part (6) of the disc as a result of centrifugal forces, variations in heat etc.. It is suggested that Figure 2 is used in the published Abstract.

480375

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