Title:
LEVELING MEANS OPERATING DEVICE
Document Type and Number:
Japanese Patent JP3417768
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a leveling means operating device which can be made to perform stable operation by a simple constitution also without applying an overload to an operation control means of leveling control valve or the like.
SOLUTION: Concentrically on a pivotal support shaft 18 in a boom tip end part, an operating device mounting pipe 19 turned relating to a boom corresponding to its action is pivotally supported turnably to the boom. In a work bench, a leveling control valve 24 performing operation control of a leveling cylinder is arranged, a spool 24a of this leveling control valve 24 and the operating device mounting pipe 19 are connected by an intermediate plate 71. Between this intermediate plate 71 and side plates 72, 73 secured to the operating device mounting pipe 19, a spring 74 damping operation of the spool 24a is arranged.
Inventors:
Shuji Nakabayashi
Application Number:
JP22868696A
Publication Date:
June 16, 2003
Filing Date:
August 29, 1996
Export Citation:
Assignee:
Aichi Corporation
International Classes:
B66F9/06; B66F11/04; (IPC1-7): B66F9/06; B66F11/04
Domestic Patent References:
| JP5557000A | ||||
| JP6296300A | ||||
| JP4974701U |
Attorney, Agent or Firm:
Shogo Ohnishi
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