Index table

Details Index table Index table

2008-02-19

2011-10-18

Lewis, Tisha (Department: 3655)

Planetary gear transmission systems or components

Planet pinion is friction gear

C475S194000, C475S195000

Reexamination Certificate

active

08038563

ABSTRACT:
The index table includes a rotary table for setting a workpiece for a machine tool; a rotary table shaft fixedly provided on the rotary table; a driving motor mechanism, which is a driving source; and a planetary roller speed-reduction mechanism having a sun roller, which is a motor output shaft of the driving motor mechanism, a ring fixed to the speed-reduction mechanism, a plurality of planetary rollers arranged at equal angular intervals between the sun roller and the ring in a pressurized state, and a planetary roller harness that fixedly supports a plurality of planetary roller shafts pivotally supporting the planetary rollers in a rotatable manner and is fixedly provided coaxially with the rotary table shaft.

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Hashitani et al.,“ZE15A Gear Grinding Machine for economical hard gear finishing of quiet, small gears”, Mitsubishi Heavy Industries, Ltd., Technical Review vol. 42 No. 2, (Apr. 2005).

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