JPS57189944A - Prevention mechanism of double feeding of paper sheet - Google Patents
Prevention mechanism of double feeding of paper sheetInfo
- Publication number
- JPS57189944A JPS57189944A JP7113781A JP7113781A JPS57189944A JP S57189944 A JPS57189944 A JP S57189944A JP 7113781 A JP7113781 A JP 7113781A JP 7113781 A JP7113781 A JP 7113781A JP S57189944 A JPS57189944 A JP S57189944A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- paper sheet
- paper
- feeding
- rollers
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
Abstract
PURPOSE:To prevent the double feeding of paper sheets for sure by providing a specific reverse roller in parallel with a regular roller. CONSTITUTION:A regular roller 3-1 of separation rollers 3 is fitted to rotate for feeding and press the uuper side of a paper sheet 11, while a reverse roller 3-2 presses the underside of the paper sheet 11 or 12 to rotate for returning the paper sheet 11, and its peripheral velocity is selected higher than the roller 3-1. The quality of the material of rollers is selected so that the friction factor between the roller 3-2 and the paper sheet 11 and higher than that between paper sheets. The drive torque of the roller 3-2 is set at a fixed level lower than that of the roller 3-1. For example, when paper sheets 11, 12, and 13 are simultaneously supplied to rollers 3 by a let-out roller 2, the paper sheet 13 is returned by the roller 3-2, and the roller 2 stops working by the detection signal of the paper sheet 11 from a returning sensor 5. Then, the paper 12 is returned by the roller 3-2, and only the paper sheet 11 is inserted between feeding rollers 6 for feeding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7113781A JPS57189944A (en) | 1981-05-12 | 1981-05-12 | Prevention mechanism of double feeding of paper sheet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7113781A JPS57189944A (en) | 1981-05-12 | 1981-05-12 | Prevention mechanism of double feeding of paper sheet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57189944A true JPS57189944A (en) | 1982-11-22 |
Family
ID=13451887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7113781A Pending JPS57189944A (en) | 1981-05-12 | 1981-05-12 | Prevention mechanism of double feeding of paper sheet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57189944A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082542A (en) * | 1983-10-08 | 1985-05-10 | Toshiba Corp | Paper feeder |
| US4822023A (en) * | 1985-07-29 | 1989-04-18 | Mita Industrial Co., Ltd. | Paper-feeding device |
| EP0357012A2 (en) * | 1988-09-01 | 1990-03-07 | Konica Corporation | Recording sheet feeding apparatus |
| EP1360130A2 (en) * | 2001-02-07 | 2003-11-12 | Giesecke & Devrient GmbH | Device and method for separating sheet-type products |
-
1981
- 1981-05-12 JP JP7113781A patent/JPS57189944A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082542A (en) * | 1983-10-08 | 1985-05-10 | Toshiba Corp | Paper feeder |
| US4822023A (en) * | 1985-07-29 | 1989-04-18 | Mita Industrial Co., Ltd. | Paper-feeding device |
| EP0357012A2 (en) * | 1988-09-01 | 1990-03-07 | Konica Corporation | Recording sheet feeding apparatus |
| EP1360130A2 (en) * | 2001-02-07 | 2003-11-12 | Giesecke & Devrient GmbH | Device and method for separating sheet-type products |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS57107346A (en) | Automatic paper feeding equipment | |
| GB1511577A (en) | Apparatus in which a reversal of motion of a sheet can be provided | |
| WO1992012085A3 (en) | Paper sheet feeding apparatus | |
| JPS57189944A (en) | Prevention mechanism of double feeding of paper sheet | |
| ES269805U (en) | Sheet feeder | |
| JPS57205182A (en) | Sheet feeding device for printer | |
| JPS6448732A (en) | Sheet separating mechanism | |
| JPS5448246A (en) | Automatic paper feeder | |
| JPS57175631A (en) | Sheet paper feeding device | |
| JPS5535716A (en) | Sheet feeder | |
| JPS54110569A (en) | Paper sheet feeding apparatus | |
| JPS57160848A (en) | Sheet-feeding device | |
| JPS57126336A (en) | Sheet feeding device | |
| JPS5777138A (en) | Paper feeder in printer | |
| JPS5798445A (en) | Sheet paper feeding apparatus | |
| GB1497356A (en) | Sheet feeding apparatus | |
| JPS5767442A (en) | Controller for paper feeding | |
| JPS57160846A (en) | Feed control device | |
| JPS5612239A (en) | Paper separating feed mechanism | |
| JPS57189943A (en) | Paper sheet feeder | |
| JPS57160847A (en) | Feed control device | |
| JPS6469427A (en) | Device for separating paper sheet or the like | |
| JPS57146269A (en) | Warning display device | |
| JPS6460529A (en) | Paper refeeder | |
| JPS5798443A (en) | Sheet feeding apparatus |