GB1280340A - Sheet conveying apparatus - Google Patents

Sheet conveying apparatus

Info

Publication number
GB1280340A
GB1280340A GB62309/69A GB6230969A GB1280340A GB 1280340 A GB1280340 A GB 1280340A GB 62309/69 A GB62309/69 A GB 62309/69A GB 6230969 A GB6230969 A GB 6230969A GB 1280340 A GB1280340 A GB 1280340A
Authority
GB
United Kingdom
Prior art keywords
drum
lip
door
bar
sheet
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.)
Expired
Application number
GB62309/69A
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Publication of GB1280340A publication Critical patent/GB1280340A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/08—Mechanisms for mounting or holding the sheet around the drum
    • H04N1/0804—Holding methods
    • H04N1/0813—Holding sides of the sheet which are substantially parallel to the drum axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41L—APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
    • B41L29/00—Devices for attaching printing elements or formes to supports
    • B41L29/12—Devices for attaching printing elements or formes to supports for attaching flexible printing formes
    • B41L29/14—Clamping devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/08—Mechanisms for mounting or holding the sheet around the drum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/06—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using cylindrical picture-bearing surfaces, i.e. scanning a main-scanning line substantially perpendicular to the axis and lying in a curved cylindrical surface
    • H04N1/08—Mechanisms for mounting or holding the sheet around the drum
    • H04N1/083—Holding means
    • H04N1/0839—Mechanical clamps, i.e. means for holding the sheet against the drum by mechanical force

Abstract

1280340 Copying machines XEROX CORP 22 Dec 1969 [26 Dec 1968 62309/69 Heading G2A A means for attaching the leading edge of a sheet 30 to a rotating drum conveyer 17 forming part of a copying machine comprises a longitudinal slot in which is located a bar 20 having a lip portion 21, the bar normally being biased radially inwards so that the front edge of sheet 30 is gripped between the lip 21 and the surface of the drum as seen in Fig. 4. The bar is biased inwards by means of springs 23, which pass through holes in the bar and whose ends engage the drum. Lever arms 25 are pivotally mounted one at each end of the drum, each lever arm having a cam surface 28 at one end and a flat part 29 at the other end. When a door 31 is in the closed position, Fig. 3 (not shown), lever arms 25 pivot downwards so that the cam surfaces are clear of rod 20. The rod is thus spring-urged downwards so that lip 21 lies flush in a correspondingly shaped recess in the surface of drum 17. When the door 31 is partly opened, to about 70 degrees as in Fig.4, the cam surfaces are partly raised because of the engagement of end 33 of door 31 with the flat ends 29 of the levers 25. As the rotation of drum 17 brings bar 20 to the topmost position shown, it engages a stop (24) Fig.2 (not shown) which stops the drum. If the door 31 is now completely opened, as in Fig. 5, the cam surfaces 28 are brought into contact with rod 20, pushing it upwards and lifting lip 21 clear of the drum surface. The leading edge of sheet 30 can now be inserted below the raised lip, as in Fig. 5, and when door 31 is closed again rod 20 is released to retract inwards, so that the edge of the sheet is now firmly gripped between lip 21 and drum 17, as seen in Fig.4.
GB62309/69A 1968-12-26 1969-12-22 Sheet conveying apparatus Expired GB1280340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78691968A 1968-12-26 1968-12-26

Publications (1)

Publication Number Publication Date
GB1280340A true GB1280340A (en) 1972-07-05

Family

ID=25139950

Family Applications (1)

Application Number Title Priority Date Filing Date
GB62309/69A Expired GB1280340A (en) 1968-12-26 1969-12-22 Sheet conveying apparatus

Country Status (9)

Country Link
US (1) US3618123A (en)
JP (1) JPS5125737B1 (en)
BE (1) BE743659A (en)
CA (1) CA918186A (en)
ES (1) ES374915A1 (en)
FR (1) FR2027124B1 (en)
GB (1) GB1280340A (en)
NL (1) NL6919524A (en)
SE (1) SE363457B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906512A (en) * 1972-12-29 1975-09-16 Minnesota Mining & Mfg Mechanical drum positioning and sheet-clamping mechanism for facsimile
US3808603A (en) * 1972-12-29 1974-04-30 Minnesota Mining & Mfg Method and apparatus for loading and unloading a facsimile system
US3854715A (en) * 1973-03-19 1974-12-17 Xerox Corp Cam
JPS5313305Y2 (en) * 1973-05-08 1978-04-11
JPS5928105B2 (en) * 1975-06-11 1984-07-10 オリンパス光学工業株式会社 Original loading/unloading mechanism for cylindrical scanning facsimile
US4101018A (en) * 1975-08-22 1978-07-18 Teletype Corporation Paper edge sensor
US4134136A (en) * 1977-04-20 1979-01-09 Burroughs Corporation Paper carrier for facsimile machine
US4179118A (en) * 1977-09-08 1979-12-18 Minnesota Mining And Manufacturing Company Apparatus and method for releasably securing sheet material to the drum of a drum-type facsimile machine
US4259695A (en) * 1979-12-03 1981-03-31 Matsushita Graphic Communication Systems, Inc. Facsimile sheet clamping device
US4386771A (en) * 1981-05-08 1983-06-07 Xerox Corporation Method of removing a sheet from a drum
DE3611850A1 (en) * 1985-04-10 1986-10-16 Sharp K.K., Osaka AUTOMATIC DOCUMENT FEEDER
US4824096A (en) * 1987-07-17 1989-04-25 Polaroid Corporation Sheet clamp counterbalancing system for high speed sheet handling drums
US5145170A (en) * 1988-08-22 1992-09-08 Fuji Photo Film Co., Ltd. Drum for image recording apparatus having a guide member with a sheet retaining member

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3101234A (en) * 1963-08-20 Sheet clamping and unclamping mechanism
US2514974A (en) * 1948-06-25 1950-07-11 Times Facsimile Corp Sheet holding mechanism for facsimile recorders and the like
US2666808A (en) * 1950-07-18 1954-01-19 Times Facsimile Corp Facsimile machine
US2861862A (en) * 1953-06-27 1958-11-25 Philips Corp Dictation apparatus
JPS4218636Y1 (en) * 1965-05-25 1967-10-27
JPS4222396Y1 (en) * 1965-06-16 1967-12-20
US3348288A (en) * 1965-10-01 1967-10-24 Xerox Corp Drum clamp

Also Published As

Publication number Publication date
ES374915A1 (en) 1972-02-16
FR2027124B1 (en) 1976-03-19
US3618123A (en) 1971-11-02
NL6919524A (en) 1970-06-30
SE363457B (en) 1974-01-14
FR2027124A1 (en) 1970-09-25
BE743659A (en) 1970-06-24
JPS5125737B1 (en) 1976-08-02
DE1963786B2 (en) 1973-01-18
CA918186A (en) 1973-01-02
DE1963786A1 (en) 1970-07-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees