Title:
ENGINE AND SADDLE-TYPE VEHICLE
Document Type and Number:
WIPO Patent Application WO/2012/160973
Kind Code:
A1
Abstract:
The purpose of the present invention is to make it easy to attach a cam chain to an engine in which a side of a cylinder body does not open, wherein a blade tensioner that serves as both a tensioner and a cam-chain guide is used to put the cam chain under tension. Said tensioner (158) has a leaf spring (166) and a blade shoe (168) that supports said leaf spring (166) and contacts the cam chain (154) inside a chain chamber. An engine (44) is provided with the following: a bolt (164) that is inserted through a support hole (250) formed in the tensioner (158) and swingably supports the tensioner (158); and a support pin (170) that supports the tensioner (158) by contacting a contact part (178) on the blade shoe (168). Said bolt (164) is provided on a cylinder head (128). The aforementioned support pin (170) is provided on a crank case (84) and supports the tensioner (158) such that the aforementioned contact part (178) can slide.
Inventors:
INOMORI TOSHINORI (JP)
NAKAJIMA AKITOSHI (JP)
NAKAJIMA AKITOSHI (JP)
Application Number:
PCT/JP2012/061870
Publication Date:
November 29, 2012
Filing Date:
May 09, 2012
Export Citation:
Assignee:
YAMAHA MOTOR CO LTD (JP)
INOMORI TOSHINORI (JP)
NAKAJIMA AKITOSHI (JP)
INOMORI TOSHINORI (JP)
NAKAJIMA AKITOSHI (JP)
International Classes:
F02B67/06; F02B61/02; F16H7/08
Foreign References:
| JPH11108135A | 1999-04-20 | |||
| JP2011064259A | 2011-03-31 | |||
| JP2009228673A | 2009-10-08 |
Other References:
See also references of EP 2584165A4
Attorney, Agent or Firm:
UEBA Hidetoshi et al. (JP)
Hidetoshi Ueha (JP)
Hidetoshi Ueha (JP)
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Claims: