Planetary gear transmission systems or components – Planetary gearing or element
Patent
1998-09-04
2000-08-08
Marmor, Charles A
Planetary gear transmission systems or components
Planetary gearing or element
74409, 74440, F16H 5712
Patent
active
060994320
ABSTRACT:
A planetary gear device 1 comprises a rear-stage planetary gear mechanism 30 having carrier parts 38, 39 constituting a divided-type carrier, wherein axial holes 81-84 of planetary shafts 71-74 fixed on the carriers 38, 39 can be accessed directly from the side of an outer end surface 39c of the output-side carrier part 39, and the both carrier parts 38, 39 can be twisted by gripping these carrier parts by making use of the axial holes, whereby backlash adjustment can be carried out from one side of the carrier parts without any difficulties. Further, since the carrier parts 38, 39 are supported via a common bearing member on a casing 2, center deviation between the carrier parts does not occur when they are twisted to adjust backlashes, whereby degradation of assembly accuracy can be prevented caused by the center deviation of the carrier parts.
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Harmonic Drive Systems Inc.
Marmor Charles A
Parekh Ankur
LandOfFree
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