Title:
CRANK SHAFT
Document Type and Number:
Japanese Patent JP3736074
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a crank shaft which can suppress favorably the vibration and noise generated by a torsion stress in a crank arm.
SOLUTION: A crank shaft 15 is formed so that a crank journal 21 and crank pin 23 parallel with each other are coupled by a crank arm 22. When the crank pin 23 is pushed by a connecting rod, the crank shaft 15 will be twisted in the direction of Arrow E. On the side face of the crank arm 22 about the rotating direction round the axis of the crank journal 21, a reinforcing projection protruding in the direction as going apart from the axes L1 and L2 of the crank journal 22 and crank pin is installed in such a way as extending in the direction of tying the axes L1 and L2 together.
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Inventors:
Hiroshi Tada
Application Number:
JP28702797A
Publication Date:
January 18, 2006
Filing Date:
October 20, 1997
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16C3/06; (IPC1-7): F16C3/06
Domestic Patent References:
| JP59058212U | ||||
| JP58049015U | ||||
| JP58049016U | ||||
| JP59142512U | ||||
| JP56049312U | ||||
| JP4262147A | ||||
| JP63005839A | ||||
| JP8105431A | ||||
| JP59131616U | ||||
| JP56086222A | ||||
| JP58008818A | ||||
| JP5001013U | ||||
| JP5001046U | ||||
| JP4127817U | ||||
| JP62220710A | ||||
| JP60002037U | ||||
| JP59101228A |
Other References:
蓮尾諭吉,山本唯雄,ガソリン機関設計,日本,株式会社パワー社,1979年 4月30日,1版2刷,p.77-85
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda