Title:
MOVING DEVICE FOR SLIP RING FOR FEEDING POWER TO CLIMBING CRANE
Document Type and Number:
Japanese Patent JP3404972
Kind Code:
B2
Abstract:
PURPOSE: To evacuate a slip ring for feeding power to the revolving frame side without being removed, at the time of expanding a mast.
CONSTITUTION: A truck 17 having an overhanging part 16 with an overhanging length from near a through hole 6 to above the center line O of the through hole 6 is placed on a revolving frame 4. A slip ring 10 is installed on the overhanging part 16. To expand a mast, the truck is moved back so that the slip ring 10 is evacuated from the center position of the through hole 6 to a side position off the through hole 6.
Inventors:
Jinji Kohinata
Application Number:
JP7047395A
Publication Date:
May 12, 2003
Filing Date:
March 06, 1995
Export Citation:
Assignee:
Ishikawajima Harima Heavy Industries Co., Ltd.
International Classes:
B66C13/12; B66C23/28; (IPC1-7): B66C13/12; B66C23/28
Domestic Patent References:
| JP61235393A | ||||
| JP4191295A |
Attorney, Agent or Firm:
Mitsuo Sakamoto
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