Title:
FRICTION ROLLER TYPE SPEED REDUCER
Document Type and Number:
Japanese Patent JP2014196824
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a structure that can improve rigidity of a pair of supporting plate parts 40a, 40b constituting a rocking frame 28b for rotatably supporting an intermediate roller 4b, and that is easy to reduce in size and weight.SOLUTION: The rocking frame 28b is configured by butting both longitudinal end surfaces of both supporting plate parts 40a, 40b arranged separately in the axis direction together through connection parts 41a, 41b, and connecting to each other by bolts 42, 42. Both ends of axis of rotation 7b, 7b provided in the center of the intermediate roller 4b are rotatably supported between longitudinal intermediate parts of both supporting plate parts 40a, 40b by ball bearings 65, 65. Inner ring raceways 58, 58 and outer ring raceways 60, 60 of each ball bearing 65, 65 are directly formed in a part of the intermediate roller 4b and both supporting plate parts 40a, 40b.
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Inventors:
TANAKA ICHIU
MATSUDA YASUYUKI
MATSUDA YASUYUKI
Application Number:
JP2014033939A
Publication Date:
October 16, 2014
Filing Date:
February 25, 2014
Export Citation:
Assignee:
NSK LTD
International Classes:
F16H13/04
Domestic Patent References:
| JP2012207778A | 2012-10-25 | |||
| JP2012112483A | 2012-06-14 | |||
| JPS54118537U | 1979-08-20 | |||
| JP2012207778A | 2012-10-25 | |||
| JP2012112483A | 2012-06-14 | |||
| JPS54118537U | 1979-08-20 |
Attorney, Agent or Firm:
Patent business corporation Takakazu patent firm