JPS56145042A - Vertical movement mechanism of cut sheet stand - Google Patents
Vertical movement mechanism of cut sheet standInfo
- Publication number
- JPS56145042A JPS56145042A JP4739380A JP4739380A JPS56145042A JP S56145042 A JPS56145042 A JP S56145042A JP 4739380 A JP4739380 A JP 4739380A JP 4739380 A JP4739380 A JP 4739380A JP S56145042 A JPS56145042 A JP S56145042A
- Authority
- JP
- Japan
- Prior art keywords
- stand
- cut sheet
- cam
- displacement
- cylindrical cam
- 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
- Paper Feeding For Electrophotography (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
PURPOSE: To enable a cut sheet stand to elevate effectively with the minimum power of necessity, by adopting a construction to increase the rate of vertical displacement of the stand in proportion to the height of the position of the stand.
CONSTITUTION: A cut sheet stand 1 is vertically moved in response to the slide of a guide member 9 of a rail 10. A cylindrical cam 17 is arranged as a drive-transmission means. As the cylindrical cam 17 is rotated in the direction shown with an illustrated arrow by the rotation of a geared motor 20, a cam follower 19 is raised along a cam groove 18, and the guide member 9 and the stand 1 is elevated. In this construction, the cam groove 18 on the cylindrical cam 17 is shaped to have the minimum inclination near the lowermost position A of the stand 1, intermediate inclination increasing near a position B as the elevation proceeds, and the maximum inclination at the uppermost position C. Consequently, at the position A with a great amount of sheets, a great elevating force is given in spite of a small amount of elevating displacement. On the contrary, at the position C, the elevating force is small in spite of a great amount of the displacement.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4739380A JPS56145042A (en) | 1980-04-10 | 1980-04-10 | Vertical movement mechanism of cut sheet stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4739380A JPS56145042A (en) | 1980-04-10 | 1980-04-10 | Vertical movement mechanism of cut sheet stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56145042A true JPS56145042A (en) | 1981-11-11 |
| JPS6311254B2 JPS6311254B2 (en) | 1988-03-12 |
Family
ID=12773859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4739380A Granted JPS56145042A (en) | 1980-04-10 | 1980-04-10 | Vertical movement mechanism of cut sheet stand |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56145042A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS64535U (en) * | 1987-06-23 | 1989-01-05 | ||
| JP2009029567A (en) * | 2007-07-26 | 2009-02-12 | Ricoh Co Ltd | Automatic document feeder |
| CN111498534A (en) * | 2019-01-31 | 2020-08-07 | 理想科学工业株式会社 | Medium supply device |
-
1980
- 1980-04-10 JP JP4739380A patent/JPS56145042A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS64535U (en) * | 1987-06-23 | 1989-01-05 | ||
| JP2009029567A (en) * | 2007-07-26 | 2009-02-12 | Ricoh Co Ltd | Automatic document feeder |
| CN111498534A (en) * | 2019-01-31 | 2020-08-07 | 理想科学工业株式会社 | Medium supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6311254B2 (en) | 1988-03-12 |
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