B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
B23Q 3/00 (2006.01) B23B 31/00 (2006.01)
Patent
CA 2282221
A two-surface constrainable tool has two retaining surfaces by which the two-surface constrainable tool retains itself on a spindle (10) of a machine tool . The two-surface constrainable tool comprises : a bottom grip taper shank (14) having a taper part (15) having a first retaining surface and capable of being closely fitted in a taper bore (12) formed in the spindle (10), and a flange (16) provided in one end surface (16a) thereof facing the end surface (10a) of the spindle (10) with a groove (18); and a collar (20) to be interposed between the end surface (16a) of the flange (16) and the end surface (10a) of the spindle (10), consisting of two symmetrical segments (20a, 20b) having ridges (22a, 22b) to be fitted in the groove (18) of the flange (16), and a second retaining surface to be brought into close contact with the end surface (10a) of the spindle (10). The bottom grip taper shank (14) retains itself by the first and the second retaining surface on the spindle (10).
Mori Michio
Sakai Husao
Yoneyama Masayoshi
Riches Mckenzie & Herbert Llp
Toshiba Kikai Kabushiki Kaisha
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