JPS567848A - Sucking type paper feeder - Google Patents

Sucking type paper feeder

Info

Publication number
JPS567848A
JPS567848A JP8031779A JP8031779A JPS567848A JP S567848 A JPS567848 A JP S567848A JP 8031779 A JP8031779 A JP 8031779A JP 8031779 A JP8031779 A JP 8031779A JP S567848 A JPS567848 A JP S567848A
Authority
JP
Japan
Prior art keywords
outer cylinder
sucker
sheet
negative pressure
vacuum head
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
Application number
JP8031779A
Other languages
Japanese (ja)
Other versions
JPS6246451B2 (en
Inventor
Michio Umezawa
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP8031779A priority Critical patent/JPS567848A/en
Publication of JPS567848A publication Critical patent/JPS567848A/en
Publication of JPS6246451B2 publication Critical patent/JPS6246451B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Sheets, Magazines, And Separation Thereof (AREA)
  • Controlling Sheets Or Webs (AREA)

Abstract

PURPOSE: To eliminate the need for a vacuum pump and to miniaturize, conserve electric power, and reduce noise, by a method wherein a device is provided with a means which produces a negative pressure when a sucker is raised after it is lowered for adhering firmly to a sheet, and a means which releases said negative pressure after paper feeding operation is completed.
CONSTITUTION: When an inner cylinder 10 of a vacuum head D is extruded sufficiently downward from an outer cylinder 14 through the force of a spring 15, and an tip edge of a sucker 12 makes contact with an uppermost sheet A1, the vacuum head D is lowered. A sucker 12 is first bent hereupon, and a lower end of the inner cylinder 10 makes contact with the sheet A1. Lowering of an outer cylinder 14 against a spring 15 reduces the space volume of an inner chamber of the outer cylinder 14, and air at the inside thereof opens a discharge valve 18 and a negative pressure release valve 19 to be pushed out to the air. Raising of the vacuum head D causes the outer cylinder 14 to be pushed out from the inner cylinder 10, thereby the chamber of the outer cylinder is reduced in its pressure. The sucker disc 12 can thus adsorb the sheet A1.
COPYRIGHT: (C)1981,JPO&Japio
JP8031779A 1979-06-26 1979-06-26 Sucking type paper feeder Granted JPS567848A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8031779A JPS567848A (en) 1979-06-26 1979-06-26 Sucking type paper feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8031779A JPS567848A (en) 1979-06-26 1979-06-26 Sucking type paper feeder

Publications (2)

Publication Number Publication Date
JPS567848A true JPS567848A (en) 1981-01-27
JPS6246451B2 JPS6246451B2 (en) 1987-10-02

Family

ID=13714874

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8031779A Granted JPS567848A (en) 1979-06-26 1979-06-26 Sucking type paper feeder

Country Status (1)

Country Link
JP (1) JPS567848A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5878846U (en) * 1981-11-25 1983-05-27 コニカ株式会社 Suction cup transport mechanism
JPS6330201A (en) * 1986-07-25 1988-02-08 千代田技研工業株式会社 Manufacture of concrete product in which heterogeneous material is partitioned by joint
US4867430A (en) * 1987-05-27 1989-09-19 Bertin & Cie Device for unstacking relatively flat objects such as letters or postal packets
JPH0224909U (en) * 1988-08-05 1990-02-19
JPH0480457A (en) * 1990-07-20 1992-03-13 Nippon Seramika:Kk Brick panel and its manufacture

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526142U (en) * 1975-07-01 1977-01-17
JPS52145972A (en) * 1976-05-31 1977-12-05 Toshiba Corp Apparatus for conveying sheet materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526142U (en) * 1975-07-01 1977-01-17
JPS52145972A (en) * 1976-05-31 1977-12-05 Toshiba Corp Apparatus for conveying sheet materials

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5878846U (en) * 1981-11-25 1983-05-27 コニカ株式会社 Suction cup transport mechanism
JPS6330201A (en) * 1986-07-25 1988-02-08 千代田技研工業株式会社 Manufacture of concrete product in which heterogeneous material is partitioned by joint
US4867430A (en) * 1987-05-27 1989-09-19 Bertin & Cie Device for unstacking relatively flat objects such as letters or postal packets
JPH0224909U (en) * 1988-08-05 1990-02-19
JPH0480457A (en) * 1990-07-20 1992-03-13 Nippon Seramika:Kk Brick panel and its manufacture

Also Published As

Publication number Publication date
JPS6246451B2 (en) 1987-10-02

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