JPS5244945A - Apparatus to attenuate abnormal potential induced in crane - Google Patents

Apparatus to attenuate abnormal potential induced in crane

Info

Publication number
JPS5244945A
JPS5244945A JP12032775A JP12032775A JPS5244945A JP S5244945 A JPS5244945 A JP S5244945A JP 12032775 A JP12032775 A JP 12032775A JP 12032775 A JP12032775 A JP 12032775A JP S5244945 A JPS5244945 A JP S5244945A
Authority
JP
Japan
Prior art keywords
crane
abnormal potential
potential induced
attenuate abnormal
attenuate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP12032775A
Other languages
Japanese (ja)
Other versions
JPS551233B2 (en
Inventor
Shigeo Tatsuke
Shigeo Nishida
Shuichi Kosaka
Yoshinori Kasashima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kajima Corp
Original Assignee
Kajima Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kajima Corp filed Critical Kajima Corp
Priority to JP12032775A priority Critical patent/JPS5244945A/en
Publication of JPS5244945A publication Critical patent/JPS5244945A/en
Publication of JPS551233B2 publication Critical patent/JPS551233B2/ja
Granted legal-status Critical Current

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Landscapes

  • Jib Cranes (AREA)

Abstract

PURPOSE: Spiral antenna is provided to crane, to decrease abnormal potential produced by radio wave to the crane, without undesired affect to crane work.
COPYRIGHT: (C)1977,JPO&Japio
JP12032775A 1975-10-07 1975-10-07 Apparatus to attenuate abnormal potential induced in crane Granted JPS5244945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12032775A JPS5244945A (en) 1975-10-07 1975-10-07 Apparatus to attenuate abnormal potential induced in crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12032775A JPS5244945A (en) 1975-10-07 1975-10-07 Apparatus to attenuate abnormal potential induced in crane

Publications (2)

Publication Number Publication Date
JPS5244945A true JPS5244945A (en) 1977-04-08
JPS551233B2 JPS551233B2 (en) 1980-01-12

Family

ID=14783501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12032775A Granted JPS5244945A (en) 1975-10-07 1975-10-07 Apparatus to attenuate abnormal potential induced in crane

Country Status (1)

Country Link
JP (1) JPS5244945A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6259663U (en) * 1985-10-01 1987-04-13
JPS62140978A (en) * 1985-12-17 1987-06-24 Teijin Ltd Reinforced traverse guide
JPH0424210A (en) * 1990-05-14 1992-01-28 Teijin Seiki Co Ltd Traverse device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6259663U (en) * 1985-10-01 1987-04-13
JPS62140978A (en) * 1985-12-17 1987-06-24 Teijin Ltd Reinforced traverse guide
JPH0424210A (en) * 1990-05-14 1992-01-28 Teijin Seiki Co Ltd Traverse device

Also Published As

Publication number Publication date
JPS551233B2 (en) 1980-01-12

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