CA1201793A - Systeme d'appoint sur circuit de securite limiteur de la capacite de levage a l'endroit d'une fleche de grue - Google Patents

Systeme d'appoint sur circuit de securite limiteur de la capacite de levage a l'endroit d'une fleche de grue

Info

Publication number
CA1201793A
CA1201793A CA000382703A CA382703A CA1201793A CA 1201793 A CA1201793 A CA 1201793A CA 000382703 A CA000382703 A CA 000382703A CA 382703 A CA382703 A CA 382703A CA 1201793 A CA1201793 A CA 1201793A
Authority
CA
Canada
Prior art keywords
boom
signal
input
extension
output
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.)
Expired
Application number
CA000382703A
Other languages
English (en)
Inventor
Eugene L. Garber
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.)
Powerscreen USC Inc
Original Assignee
JLG Industries Inc
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
Priority claimed from US06/223,898 external-priority patent/US4395706A/en
Application filed by JLG Industries Inc filed Critical JLG Industries Inc
Application granted granted Critical
Publication of CA1201793A publication Critical patent/CA1201793A/fr
Expired legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
CA000382703A 1981-01-07 1981-07-28 Systeme d'appoint sur circuit de securite limiteur de la capacite de levage a l'endroit d'une fleche de grue Expired CA1201793A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/223,898 US4395706A (en) 1980-06-30 1981-01-07 Boom limit safety control circuit
US223,898 1981-01-07

Publications (1)

Publication Number Publication Date
CA1201793A true CA1201793A (fr) 1986-03-11

Family

ID=22838430

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382703A Expired CA1201793A (fr) 1981-01-07 1981-07-28 Systeme d'appoint sur circuit de securite limiteur de la capacite de levage a l'endroit d'une fleche de grue

Country Status (1)

Country Link
CA (1) CA1201793A (fr)

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Legal Events

Date Code Title Description
MKEX Expiry