Device for fastening of tools on a circular apparatus

Details Device for fastening of tools on a circular apparatus Device for fastening of tools on a circular apparatus

B - Operations, Transporting

26

D

29/41

B26D 7/26 (2006.01)

Patent

CA 1310817

68200-70 ABSTRACT A tool fastening device includes a circular rim (4) provided with circular seats (10) arranged at equal distances on a constant radius. The circular rim (4) carries an inner toothed rim (6) also provided with circular seats (12). Tools shaped as cutting members (2) are fitted against the circular rim (4) by means of studs (22) engaging in the circular seats (10) where fixed tools are used, or by means of studs (23) engaging in the circular seats (12) where movable or shiftable tools are used. The fixed or movable tool version is obtained by reversing the tool. The tightening of the tools against the circular rim is obtained by means of a circular ring (5) the pressure of which is ensured by a rod-actuating spring (18), the rod passing through the circular rim (4). The opening of the apparatuses (A, B and C) is caused by the action either of one of the apparatuses (A, B and C) exerted on the head of one of the rods (15) or else by the action exerted by the pressure ring (27).

594297

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