Title:
OIL FEED AND TRANSMITTING DEVICE OF BOOM
Document Type and Number:
Japanese Patent JP3781657
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To facilitate maintenance of an oil feed and transmitting device by improving the work efficiency of assembling and removing the oil feed and transmitting device.
SOLUTION: This oil feed and transmitting device 60 has a cable bear (registered trademark) 75 disposed in a boom 23 formed by nesting a base end boom 23a and a tip boom 23b, and a hose 61 or the like is passed through the cable bear 75. The tip of a cylinder rod 49a of an expansion and contracting cylinder 49 disposed in the boom 23 is connected to the base of the base end boom 23a, and a cylinder tube 49b is connected to the base of the tip boom 23b. The cable bear 75 has one end connected to the base end boom 23a, and is passed between the inside surface of the base end boom 23a and the outer surface of the tip boom 23b to be reversed at the base end of the tip boom 23b. The other end of the cable bear 75 is connected to the cylinder tube 49b, and the movement of the cable bear is guided by a cable bear guide disposed in the boom 23.
Inventors:
Tatsuya Hayakawa
Application Number:
JP2001328633A
Publication Date:
May 31, 2006
Filing Date:
October 26, 2001
Export Citation:
Assignee:
Aichi Corporation
International Classes:
B66F9/24; B66F9/22; B66F11/04; (IPC1-7): B66F9/24; B66F9/22; B66F11/04
Domestic Patent References:
| JP2001019396A | ||||
| JP7315761A | ||||
| JP2000198673A | ||||
| JP2591572B2 |
Attorney, Agent or Firm:
Masago Onishi
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