FASTENING TOOL OF JOINT OF SCREW TYPE COLUMNAR MAIN REINFORCEMENT

Title:

FASTENING TOOL OF JOINT OF SCREW TYPE COLUMNAR MAIN REINFORCEMENT

Document Type and Number:

Japanese Patent JP2000158349

Kind Code:

A

Abstract:

To carry out the nut fastening work of a mechanical joint for connecting a columnar main reinforcement efficiently.

A primary fastening tool 1 for fastening the nuts 106, 107 of a mechanical joint for connecting the columnar main reinforcements 101, 102 for connection sleeves 103, 104 is constituted as a main body 2 divided in two and constituted openably and closably by a hinge stopping so that a nut engagingly lock surface 31 and a guide surface 41 are formed coaxially in the inside and can hold the joint. The nuts 106, 107 are tightened by setting a primary fastening tool 1 to a mechanical joint so that the nut 106 or 107 is engagingly locked to the nut engagingly lock surface 31 and rotating the main body 2 by a chain wrench 200 hung to the step 5 of the outer periphery surface of the main body 2.

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JP3026292	[Name of invention] Screw rotating tool
JP4158372	Electric tool

Inventors:

YOSHIDA MASARU
YAMAZAKI FUJIO
TAKAHASHI NAONOBU

Application Number:

JP34487398A

Publication Date:

June 13, 2000

Filing Date:

November 19, 1998

Export Citation:

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Assignee:

TAISEI CORP
FUJI BOLT SEISAKUSHO KK
ITOH IRON & STEEL WORKS CO LTD

International Classes:

B25B13/58; E04G21/12; E04G21/16; F16B35/04; (IPC1-7): B25B13/58; E04G21/12; E04G21/16

Attorney, Agent or Firm:

Masatoshi Takano

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