Title:
STRAIGHT LINE EXCAVATION CONTROL DEVICE FOR HYDRAULIC POWER SHOVEL
Document Type and Number:
Japanese Patent JP3389303
Kind Code:
B2
Abstract:
PURPOSE: To lengthen a possible travel distance of a car body even if an angle of a laser beam to the horizontal is large.
CONSTITUTION: A housing 38 having a laser beam receiving unit 10 of a car body 1 is installed so as to swing freely longitudinally by a horizontal shaft 41, and this housing 38 is fixed to a guide body 45 by a bolt 43 and a nut 44 to move slidingly along a guide groove 47 of the guide body 45. The laser beam receiving unit 10 is installed in its slant posture on the car body 1 so as to swing longitudinally with the horizontal shaft 41 as its center.
Inventors:
Yoshinao Haraoka
Application Number:
JP29955393A
Publication Date:
March 24, 2003
Filing Date:
November 30, 1993
Export Citation:
Assignee:
KOMATSU LTD.
International Classes:
E02F3/43; E02F9/20; (IPC1-7): E02F3/43
Domestic Patent References:
| JP3295934A |
Attorney, Agent or Firm:
Tadashi Hamamoto (1 person outside)