Title:
FIXING DEVICE IN GAS FLOW PIPE INSPECTION EQUIPMENT INSERTER
Document Type and Number:
Japanese Patent JP3444438
Kind Code:
B2
Abstract:
PURPOSE: To simplify mounting/demounting of a shutter device by mounting the shutter device on a base seat, turning around a fixing chain to an opposite side from downward an adapter, supporting a chain pin to a hacker bolt while tightening this fixing chain, and fixing the shutter device.
CONSTITUTION: One end of a fixing chain 16 is mounted on a shutter device 3 in its one end and front/rear both ends, and also a U-shaped hacker bolt mounting frame 31 is mounted on an opposite side and front/rear both ends of the shutter device 3 mounting the fixing chain 16. A hacker bolt mounting shaft 35 is rotatably mounted in this mounting frame 31, and a hacker bolt 40 is inserted from downward into a hacker bolt through hole 36 of this mounting shaft 35, to fix an upper end side of this bolt 40 by a nut 43. In this way, by hooking a chain pin 16a in an end part of the fixing chain 16, turned around from downward of an attachment, to the hacker bolt 40, fixing the shutter device 3 to a base seat of the attachment is facilitated.
Inventors:
Takehisa Higuchi
Yoshikazu Chiba
Akihito Mohri
Yoshikazu Chiba
Akihito Mohri
Application Number:
JP14321094A
Publication Date:
September 08, 2003
Filing Date:
June 24, 1994
Export Citation:
Assignee:
Tokyo Gas Co., Ltd.
Daiken Precision Co., Ltd.
Daiken Precision Co., Ltd.
International Classes:
F16B12/14; F17D5/02; (IPC1-7): F17D5/02; F16B12/14
Domestic Patent References:
| JP5033600A | ||||
| JP6165939A | ||||
| JP1150866U | ||||
| JP5737141U | ||||
| JP57168656U | ||||
| JP3922005Y1 |
Attorney, Agent or Firm:
Hiroshi Ohashi
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