| 摘要 |
PCT No. PCT/SE82/00035 Sec. 371 Date Oct. 25, 1982 Sec. 102(e) Date Oct. 25, 1982 PCT Filed Feb. 9, 1982 PCT Pub. No. WO82/03110 PCT Pub. Date Sep. 16, 1982.The invention proposes to form the flanges (11,12) of a driving pulley as a part of the driving shaft (10), for example by moulding the shaft (10) and the flanges (11,12) so as to constitute one unit, the portions (18,19) of the driving pulley being attachable between the said flanges (11,12).
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