JPS6438398A - Non-stage transmission hoist - Google Patents
Non-stage transmission hoistInfo
- Publication number
- JPS6438398A JPS6438398A JP19245087A JP19245087A JPS6438398A JP S6438398 A JPS6438398 A JP S6438398A JP 19245087 A JP19245087 A JP 19245087A JP 19245087 A JP19245087 A JP 19245087A JP S6438398 A JPS6438398 A JP S6438398A
- Authority
- JP
- Japan
- Prior art keywords
- cam
- speed
- pinion shaft
- hoist
- position detection
- 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
Links
Landscapes
- Gear-Shifting Mechanisms (AREA)
Abstract
PURPOSE: To improve safety and operability by installing a cam on a pinion shaft for speed change operation of a variable speed mechanism to rotate with the pinion shaft, and installing a position detection switch to detect a rotation angle of the pinion shaft close to the cam to get in contact with it. CONSTITUTION: A cam 13 is installed on a pinion shaft 5 for speed change operation of a variable speed mechanism 2 of a hoist assembled between a hoist motor 1 and a speed reduction mechanism 11 to rotate with it. Close to the cam 13, a position detection switch 14 to detect a rotation angle of the pinion shaft 5 is installed to get in contact with the cam 13. In addition, relative position relation between the cam 13 and the position detection switch 14 is set to either of low speed and high speed output ranges of the variable speed mechanism 2. To this switch 14, a display means to display an on-condition of it is connected. Prior to driving operation to the hoist by an operator, therefore, the operator is easily capable of recognizing if speed adjustment in starting the hoist is set either in the low speed or high speed output range.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19245087A JPS6438398A (en) | 1987-07-31 | 1987-07-31 | Non-stage transmission hoist |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19245087A JPS6438398A (en) | 1987-07-31 | 1987-07-31 | Non-stage transmission hoist |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6438398A true JPS6438398A (en) | 1989-02-08 |
Family
ID=16291505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19245087A Pending JPS6438398A (en) | 1987-07-31 | 1987-07-31 | Non-stage transmission hoist |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6438398A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5314732A (en) * | 1991-06-28 | 1994-05-24 | Minnesota Mining And Manufacturing Company | Flexible, transparent film for electrostatic shielding |
-
1987
- 1987-07-31 JP JP19245087A patent/JPS6438398A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5314732A (en) * | 1991-06-28 | 1994-05-24 | Minnesota Mining And Manufacturing Company | Flexible, transparent film for electrostatic shielding |
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