JPS5418570A - Device for operating electric winch - Google Patents

Device for operating electric winch

Info

Publication number
JPS5418570A
JPS5418570A JP8202877A JP8202877A JPS5418570A JP S5418570 A JPS5418570 A JP S5418570A JP 8202877 A JP8202877 A JP 8202877A JP 8202877 A JP8202877 A JP 8202877A JP S5418570 A JPS5418570 A JP S5418570A
Authority
JP
Japan
Prior art keywords
electric winch
operating electric
winch
contact
switches
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.)
Pending
Application number
JP8202877A
Other languages
Japanese (ja)
Inventor
Shoichi Harada
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8202877A priority Critical patent/JPS5418570A/en
Publication of JPS5418570A publication Critical patent/JPS5418570A/en
Pending legal-status Critical Current

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  • Motor And Converter Starters (AREA)

Abstract

PURPOSE: To reduce the impact force of an electric winch by decelerating the acceleration occurred at starting and stopping time of the winch by generating reverse torque of a motor when one of pushbutton switches is depressed to instantaneously contact the other contact of the switches.
COPYRIGHT: (C)1979,JPO&Japio
JP8202877A 1977-07-11 1977-07-11 Device for operating electric winch Pending JPS5418570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8202877A JPS5418570A (en) 1977-07-11 1977-07-11 Device for operating electric winch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8202877A JPS5418570A (en) 1977-07-11 1977-07-11 Device for operating electric winch

Publications (1)

Publication Number Publication Date
JPS5418570A true JPS5418570A (en) 1979-02-10

Family

ID=13763062

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8202877A Pending JPS5418570A (en) 1977-07-11 1977-07-11 Device for operating electric winch

Country Status (1)

Country Link
JP (1) JPS5418570A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128195A (en) * 1983-01-10 1984-07-24 株式会社日立製作所 Controller for operation of electric hoist
US4789135A (en) * 1986-08-29 1988-12-06 Kabushiki Kaisha Kito Operating device for electric hoist

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59128195A (en) * 1983-01-10 1984-07-24 株式会社日立製作所 Controller for operation of electric hoist
JPS6341838B2 (en) * 1983-01-10 1988-08-18 Hitachi Ltd
US4789135A (en) * 1986-08-29 1988-12-06 Kabushiki Kaisha Kito Operating device for electric hoist

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