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Title:
AUGER PULLEY
Document Type and Number:
Japanese Patent JP2000230384
Kind Code:
A
Abstract:

To easily position a cable guiding pulley for smoothly carrying out removal of an underground cable, at a desired location within a manhole.

The auger pulley is comprised of a boom 3, a guide arm 13, and a guide pulley 15. The boom 3 is disposed on a chassis capable of traveling, in a manner at least being capable of derricking. The guide arm 13 extends downward to be rockably connected to the front end of the boom. The guide pulley 15 is rotatably attached to the lower end of the guide arm 13. The guide arm is rotated about the shaft thereof by a hydraulic motor 12. When an underground cable C is to be removed, the guide arm 13 is protruded into a manhole M, thereby the cable is guided by the guide pulley 15.


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Inventors:
SHIGEYAMA TETSUO
Application Number:
JP1999000033011
Publication Date:
August 22, 2000
Filing Date:
February 10, 1999
Export Citation:
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Assignee:
SHIGE DENKO KK
International Classes:
E21B7/02; E21B7/00; (IPC1-7): E21B7/00
Attorney, Agent or Firm:
大西 正悟



 
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