B - Operations – Transporting – 23 – G
Patent
B - Operations, Transporting
23
G
29/14
B23G 1/16 (2006.01) B23B 47/34 (2006.01) B23Q 5/04 (2006.01) F16H 35/02 (2006.01) F16H 37/12 (2006.01)
Patent
CA 1264923
TOOL HOLDER ABSTRACT OF THE DISCLOSURE A tool holder comprising; a prime shaft which receives an external torque is partly accommodated in and partly projects from a casing; a speed reduction unit having a coaxial three-layer structure consisting of a wave generator, a flexible spline and a circular spline being disposed in said casing, said wave generator being connected to said prime shaft in said casing, of said flexible spline and circular spline either one being secured to said casing while the other constituting an output section; a rotary holder being secured to said output section; a tool holder mounting shaft being supported by a top end of said rotary holder, said tool holder mounting shaft having a top end portion projecting from said casing; a crankshaft being rotatably provided in the inner wall of said rotary holder; crank arms are secured to the both ends of said crankshaft, one of said crank arms being eccentrically coupled to said wave generator, the other said crank arms being eccentrically coupled to the rear end of said tool holder mounting shaft, with respective axes positioned to each other; said tool holder mounting shaft being caused to undergo a swinging with the rotation of said wave generator through said crank arms and crankshaft, and undergo rotation through said rotary holder with the rotation of said output section of said speed reduction unit.
523614
Gowling Lafleur Henderson Llp
Sasaki Hiroshi
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