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Patent Searching and Data


Title:
TRAVELING TRANSMISSION FOR WORK MACHINE
Document Type and Number:
Japanese Patent JPH11315922
Kind Code:
A
Abstract:

To prevent the sudden descending of a work machine on a slope following an engine stop without providing any negative brakes.

A traveling transmission is provided with, between an input shaft 8A and an output shaft 8B, a plurality of transmission systems having transmission ratios different from each other, hydraulic clutches C1 to Cn for connecting/disconnecting transmission to the respective transmission systems, and a transmission operating means for selecting one from the hydraulic clutches C1 to Cn and turning on the same. As at least one of the hydraulic clutches C1 to Cn, one is provided, which includes a first oil chamber r1 for turning on the clutch following pressure oil supplying, a second oil chamber r2 for turning off the clutch following pressure oil supplying, and a spring NB for turning on the clutch following the discharging of oil from the second oil chamber r2.


Inventors:
OZAKI NORIMUNE
YAMAGATA KOJI
Application Number:
JP1998000123322
Publication Date:
November 16, 1999
Filing Date:
May 06, 1998
Export Citation:
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Assignee:
KUBOTA KK
International Classes:
B60K17/08; F16D25/10; F16D48/00; F16D48/02; F16H63/30; (IPC1-7): F16H63/30; B60K17/08; F16D25/10; F16D48/00
Attorney, Agent or Firm:
北村 修一郎