JPS6469498A - Operating device for electric chain block - Google Patents
Operating device for electric chain blockInfo
- Publication number
- JPS6469498A JPS6469498A JP62225948A JP22594887A JPS6469498A JP S6469498 A JPS6469498 A JP S6469498A JP 62225948 A JP62225948 A JP 62225948A JP 22594887 A JP22594887 A JP 22594887A JP S6469498 A JPS6469498 A JP S6469498A
- Authority
- JP
- Japan
- Prior art keywords
- speed
- low speed
- changeover switch
- low
- adjustment knob
- 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
Links
Landscapes
- Control Of Direct Current Motors (AREA)
- Mechanisms For Operating Contacts (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
Abstract
PURPOSE: To allow an operator to control an electric chain block with the sense of raising or lowering a heavy object by himself by operating a grip up or down, and controlling a high/low speed changeover switch and a speed adjustment knob. CONSTITUTION: A high/low speed changeover switch 14, a speed adjustment knob 15 for adjusting speeds continuously in a high-speed range, and a speed adjustment knob 16 for adjusting speeds continuously in a low-sped range are arranged on the front surface of the top of a cylinder 11. When the pushbutton of the high/low speed changeover switch 14 is pushed to high speed side H or low speed side L, its contacts 14a, 14b close to the H or L side, and at the same time a speed-adjustment variable resistor VRH or VRL for high or low speed is connected. Under this state, when a grip 12 is moved upward, the contact 19b of a limit switch 19 closes, and a dc motor 45 rotates in the normal direction. Then the speed of rotation is adjusted depending on whether the high/low speed changeover switch 14 is switched to the high or low speed.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225948A JPS6469498A (en) | 1987-09-08 | 1987-09-08 | Operating device for electric chain block |
US07/154,169 US4844421A (en) | 1987-02-18 | 1988-02-09 | Operating device for electric hoist |
KR1019880001414A KR910000895B1 (en) | 1987-02-18 | 1988-02-13 | Operating device for electric hoist |
DE8888102188T DE3873370T2 (en) | 1987-02-18 | 1988-02-15 | OPERATING DEVICE FOR ELECTRIC LIFTING DEVICE. |
ES198888102188T ES2033953T3 (en) | 1987-02-18 | 1988-02-15 | DEVICE FOR DRIVING AN ELECTRIC HOIST. |
EP88102188A EP0279395B1 (en) | 1987-02-18 | 1988-02-15 | Operating device for electric hoist |
FI880697A FI88493C (en) | 1987-02-18 | 1988-02-15 | Control unit for electric lifting block |
BG83031A BG48567A3 (en) | 1987-02-18 | 1988-02-17 | Control device for electrohoisting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62225948A JPS6469498A (en) | 1987-09-08 | 1987-09-08 | Operating device for electric chain block |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6469498A true JPS6469498A (en) | 1989-03-15 |
JPH0362637B2 JPH0362637B2 (en) | 1991-09-26 |
Family
ID=16837401
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62225948A Granted JPS6469498A (en) | 1987-02-18 | 1987-09-08 | Operating device for electric chain block |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6469498A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03158396A (en) * | 1989-11-13 | 1991-07-08 | Zojirushi Chain Block Kk | Motor operated chain block |
WO2003066503A1 (en) * | 2002-02-04 | 2003-08-14 | Terex-Demag Gmbh & Co. Kg | Crane with manual input devices |
JP2018172201A (en) * | 2017-03-31 | 2018-11-08 | 株式会社キトー | Operation device and electric chain block |
-
1987
- 1987-09-08 JP JP62225948A patent/JPS6469498A/en active Granted
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03158396A (en) * | 1989-11-13 | 1991-07-08 | Zojirushi Chain Block Kk | Motor operated chain block |
WO2003066503A1 (en) * | 2002-02-04 | 2003-08-14 | Terex-Demag Gmbh & Co. Kg | Crane with manual input devices |
US7134563B2 (en) | 2002-02-04 | 2006-11-14 | Terex-Demag Gmbh & Co., Kg | Crane with manual input devices |
JP2018172201A (en) * | 2017-03-31 | 2018-11-08 | 株式会社キトー | Operation device and electric chain block |
Also Published As
Publication number | Publication date |
---|---|
JPH0362637B2 (en) | 1991-09-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |