JPS52140151A - Safety device for track crane - Google Patents

Safety device for track crane

Info

Publication number
JPS52140151A
JPS52140151A JP5812976A JP5812976A JPS52140151A JP S52140151 A JPS52140151 A JP S52140151A JP 5812976 A JP5812976 A JP 5812976A JP 5812976 A JP5812976 A JP 5812976A JP S52140151 A JPS52140151 A JP S52140151A
Authority
JP
Japan
Prior art keywords
safety device
track crane
crane
track
boom
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
JP5812976A
Other languages
Japanese (ja)
Other versions
JPS5950599B2 (en
Inventor
Hiroshi Kawamoto
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.)
Tadano Ltd
Original Assignee
Tadano Iron Works Co Ltd
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 Tadano Iron Works Co Ltd filed Critical Tadano Iron Works Co Ltd
Priority to JP5812976A priority Critical patent/JPS5950599B2/en
Publication of JPS52140151A publication Critical patent/JPS52140151A/en
Publication of JPS5950599B2 publication Critical patent/JPS5950599B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Control And Safety Of Cranes (AREA)
  • Jib Cranes (AREA)

Abstract

PURPOSE: To enable a proper threshold signal to be picked up automatically, corresponding to the turning area of the boom, by providing a support leg switch which operates when the support legs are in an operating position.
COPYRIGHT: (C)1977,JPO&Japio
JP5812976A 1976-05-19 1976-05-19 Truck crane safety device Expired JPS5950599B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5812976A JPS5950599B2 (en) 1976-05-19 1976-05-19 Truck crane safety device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5812976A JPS5950599B2 (en) 1976-05-19 1976-05-19 Truck crane safety device

Publications (2)

Publication Number Publication Date
JPS52140151A true JPS52140151A (en) 1977-11-22
JPS5950599B2 JPS5950599B2 (en) 1984-12-08

Family

ID=13075360

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5812976A Expired JPS5950599B2 (en) 1976-05-19 1976-05-19 Truck crane safety device

Country Status (1)

Country Link
JP (1) JPS5950599B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59187694U (en) * 1983-05-27 1984-12-12 株式会社アイチコーポレーション Work range regulation device for aerial work vehicles

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59187694U (en) * 1983-05-27 1984-12-12 株式会社アイチコーポレーション Work range regulation device for aerial work vehicles
JPH0344787Y2 (en) * 1983-05-27 1991-09-20

Also Published As

Publication number Publication date
JPS5950599B2 (en) 1984-12-08

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