Title:
BOLT SETTER
Document Type and Number:
Japanese Patent JP3904679
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To enhance the efficiency of placement work by facilitating the work of inserting a lock bolt into a hole.
SOLUTION: This bolt setter 17 is mounted on a charging cage 11 supported by a cage boom 10. In this case, a lock bolt insertion device 14, having both a bolt feeder 29 providing feed by clamping a lock bolt 27 by means of a roller 28 and a bolt clamp 30 clamping the lock bolt 27 at the end of the bolt feeder 29, and a hose insertion device providing feed to a mortar-injecting hose, are rotationally supported by an arm 16 that is free to turn and tilt, so that the devices are positioned at the same hole position.
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Inventors:
Seiichi Miyakoshi
Application Number:
JP20618097A
Publication Date:
April 11, 2007
Filing Date:
July 31, 1997
Export Citation:
Assignee:
Furukawa Metal Co., Ltd.
International Classes:
E21D20/00; E21B19/24; (IPC1-7): E21D20/00
Domestic Patent References:
| JP57146900A | ||||
| JP63241300A |
Attorney, Agent or Firm:
Tetsuya Mori
Yoshiaki Naito
Cui Shu Tetsu
Hiroshi Nemoto
Tadayuki Miyazaki
Yoshiaki Naito
Cui Shu Tetsu
Hiroshi Nemoto
Tadayuki Miyazaki
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