Title:
作業車両
Document Type and Number:
Japanese Patent JP5106663
Kind Code:
B1
Abstract:
A work vehicle has a hydraulic pump and a transmission. The transmission includes a transmission body having a cylindrical input shaft, a torque converter body, a lock-up clutch device, a pump drive shaft, and an oil channel. The lock-up clutch device includes a piston, an oil chamber formed at a back surface of the piston, and a clutch portion. The pump drive shaft penetrates the input shaft and is disposed coaxially to the input shaft. The pump drive shaft transmits driving power to the hydraulic pump. The oil channel is formed between an inner circumference surface of the input shaft and an outer circumference surface of the pump drive shaft, and communicates with the oil chamber in the lock-up clutch device.
Inventors:
Hiroaki Takeshima
Yoshito Komatsu
Yoshito Komatsu
Application Number:
JP2011175533A
Publication Date:
December 26, 2012
Filing Date:
August 11, 2011
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
F16H45/02; F16H41/24
Domestic Patent References:
| JP57164353U | ||||
| JP6155537U | ||||
| JP9236173A | ||||
| JP200895959A | ||||
| JP63231059A | ||||
| JP11148547A |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation