Title:
DIRECTION CONTROL DEVICE OF WORKING EQUIPMENT
Document Type and Number:
Japanese Patent JP3492523
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To reduce the cost by preventing the diameter of the spindle from being enlarged due to pressure oil supply.
SOLUTION: In a transmission case M, a drive wheel body 17 and right and left driven wheel bodies 24L, 24R are provided. The driven wheel bodies 24L, 24R are shiftable between the clutch-on position linked with the driving wheel body 17 and the clutch-off position in which the link is disengaged, in the state that they are linked with right and left shafts, respectively. Further, pistons 28L, 28R are provided so as to shift the driven wheel bodies 24L, 24R from the clutch-on position to the clutch-off position following the pressure oil supply to oil chambers 26L, 26R. A valve means is also provided so as to maintain the driven wheel bodies 24L, 24R in the clutch-off position by discharging oil from the oil chambers 26L, 26R when the driven wheels bodies 24L, 24R are shifted to the clutch-off position. The oil chambers 26L, 26R are configured between the transmission case M and pistons 28L, 28R.
Inventors:
Masayoshi Nakata
Application Number:
JP13974898A
Publication Date:
February 03, 2004
Filing Date:
May 21, 1998
Export Citation:
Assignee:
Kubota Corporation
International Classes:
B62D11/08; (IPC1-7): B62D11/08
Domestic Patent References:
| JP6127423A | ||||
| JP11157465A | ||||
| JP633778U |
Attorney, Agent or Firm:
Shuichiro Kitamura