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Patent Searching and Data


Title:
TRANSMISSION AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2017/026536
Kind Code:
A1
Abstract:
In the present invention, a first slider 451 and a fifth-gear driving gear 425 are positioned in line in the axial direction on the drive shaft 41. A plurality of fifth-gear dog teeth 465 are provided to the first slider 451. One end of a shift fork is positioned in the guide groove 481 of a shift drum 48, and the other end of the shift fork is connected to a first slider 451. A plurality of fifth-gear dog recesses 475 are provided to the fifth-gear driving gear 425. When shifting to fifth gear, the first slider 451 moves in the axial direction on the drive shaft, and the plurality of fifth-gear dog teeth 465 and the plurality of fifth-gear dog recesses 475 engage with one another. With a line linking the meshing point M of the fifth-gear driving gear 425 and the fifth-gear driven gear 445 with the shaft center P of the driving shaft, as a reference, at least four of the plurality of fifth-gear dog teeth 465 and the plurality of fifth-gear dog recesses 475 mesh within a range of 90° in one direction and 90° in the other direction in the circumferential direction of the fifth-gear driving gear 425.

Inventors:
TAKEUCHI YOSHIHIKO (JP)
Application Number:
PCT/JP2016/073681
Publication Date:
February 16, 2017
Filing Date:
August 10, 2016
Export Citation:
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Assignee:
YAMAHA MOTOR CO LTD (JP)
International Classes:
F16H63/30; F16D11/10; F16H63/18
Foreign References:
JPH0754995A1995-02-28
JP2011196520A2011-10-06
JPH03148391A1991-06-25
FR2887604A12006-12-29
JPS4865961U1973-08-21
Other References:
See also references of EP 3336392A4
Attorney, Agent or Firm:
BRIGHTAS IP ATTORNEYS (JP)
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