Title:
建設機械
Document Type and Number:
Japanese Patent JP6944437
Kind Code:
B2
Abstract:
To provide a construction machine capable of reducing the labor of refueling work.SOLUTION: Inside a hydraulic oil tank 31, a rod 50 extending upward and downward is provided. The rod 50 is connected to a strainer 49, and extends upward and downward from the strainer 49 toward an upper opening 32B. The rod 50 is provided with scales 52, 53. The scales 52, 53 are provided at positions that can be visually recognized by an operator through the upper opening 32B, and indicate a proper liquid level of the hydraulic oil (more specifically, upper and lower limits of the proper liquid level) stored in the hydraulic oil tank 31. The scales 52, 53 respectively correspond to the upper limit and the lower limit of the appropriate liquid level of the hydraulic oil amount according to the determined posture of a front device 4 of a hydraulic excavator 1.SELECTED DRAWING: Figure 5
Inventors:
Yuya Tsujimoto
Naonobu Hasegawa
Naonobu Hasegawa
Application Number:
JP2018244827A
Publication Date:
October 06, 2021
Filing Date:
December 27, 2018
Export Citation:
Assignee:
Hitachi Construction Machinery Co., Ltd.
International Classes:
E02F9/00; F15B1/26
Domestic Patent References:
| JP2008185130A | ||||
| JP10239138A | ||||
| JP2002043039A | ||||
| JP2015173937A |
Foreign References:
| US20030129293 |
Attorney, Agent or Firm:
Hirowa Patent Office