GB1097693A - Improvements relating to paper feeding arrangements for a facsimile telegraph drum - Google Patents

Improvements relating to paper feeding arrangements for a facsimile telegraph drum

Info

Publication number
GB1097693A
GB1097693A GB5039364A GB5039364A GB1097693A GB 1097693 A GB1097693 A GB 1097693A GB 5039364 A GB5039364 A GB 5039364A GB 5039364 A GB5039364 A GB 5039364A GB 1097693 A GB1097693 A GB 1097693A
Authority
GB
United Kingdom
Prior art keywords
paper
drum
clip
rollers
guillotine
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
GB5039364A
Inventor
Kenneth George Hoer
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.)
Muirhead and Co Ltd
Original Assignee
Muirhead and 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 Muirhead and Co Ltd filed Critical Muirhead and Co Ltd
Priority to GB5039364A priority Critical patent/GB1097693A/en
Priority to FR41416A priority patent/FR1462568A/en
Priority to DE1965M0067586 priority patent/DE1290571B/en
Publication of GB1097693A publication Critical patent/GB1097693A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Handling Of Cut Paper (AREA)

Abstract

1,097,693. Facsimile telegraphy. MUIRHEAD & CO. Ltd. Nov. 26, 1965 [Dec. 10, 1964], No. 50393/64. Heading H4F. A feeding arrangement for a facsimile telegraph drum comprises means for releasing and discharging paper already on the drum and for drawing off paper from a supply roll, guillotining it to a desired length and wrapping and securing such length around the drum. The paper is secured by means of clips 5, 6, Figs. 1 to 5 (also Figs. 13 to 20, not shown) running the full length of the drum and normally retained in a paper gripping position by means of springs (17, 17<SP>1</SP>), the paper being released on lifting the clips by means of arms (16, 16<SP>1</SP>) operated by further arms (18, 18<SP>1</SP>) from a cam system (Figs. 7 and 8) which is driven by a low-speed motor clutched in automatically at the end of a normal scanning sequence when the drum has been brought to rest. The low-speed motor then rotates the drum to a reference position (Fig. 13) and brings rollers (A and B, Figs. 8 and 13 to 20) to bear on the paper surface. The discharge operation then comprises the steps of lifting clip (5, Fig. 14) to allow the leading edge of the paper to be raised by means of fingers (12) and on continued rotation, to be received by tines (64) which guide it to developing and fixing baths (66, 67). Fresh paper (65) is then introduced in rollers (28, 28a, Fig. 16), clip 5 being lowered to clamp it (Fig. 17) and clip 6 lifted to free the trailing edge of the discharging paper (Fig. 18). On further rotation a guillotine (53, 53a, Fig. 20) is operated and the trailing edge of the new sheet is then clamped by the lowering of clip 6. In addition to controlling the operation of clip 5 and 6, the cam system (Figs. 7 and 8) also controls the operation of the paper feed rollers (28, 28a), the guillotine and the raising of rollers A and B when necessary to grip the edge of the new paper and to clear the clips 5 and 6. During the initial stage in the supply of new paper via the feed rollers (28, 28a) and during the operation of the guillotine the rotation of the drum is arrested due to small gaps in the teeth of gear-wheel (61, Fig. 12) and is held steady in each arrested position by a member (63, Figs. 7 and 12) rotating with the drum and provided with projections (63a) arranged to engage projections (61a, 61b) on gear-wheel (61).
GB5039364A 1964-12-10 1964-12-10 Improvements relating to paper feeding arrangements for a facsimile telegraph drum Expired GB1097693A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB5039364A GB1097693A (en) 1964-12-10 1964-12-10 Improvements relating to paper feeding arrangements for a facsimile telegraph drum
FR41416A FR1462568A (en) 1964-12-10 1965-12-08 Paper feeding device of a drum of remote image transmission system
DE1965M0067586 DE1290571B (en) 1964-12-10 1965-12-09 Paper guide for the image drum of image telegraph devices or the like.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5039364A GB1097693A (en) 1964-12-10 1964-12-10 Improvements relating to paper feeding arrangements for a facsimile telegraph drum

Publications (1)

Publication Number Publication Date
GB1097693A true GB1097693A (en) 1968-01-03

Family

ID=10455753

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5039364A Expired GB1097693A (en) 1964-12-10 1964-12-10 Improvements relating to paper feeding arrangements for a facsimile telegraph drum

Country Status (3)

Country Link
DE (1) DE1290571B (en)
FR (1) FR1462568A (en)
GB (1) GB1097693A (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE908141C (en) * 1941-03-25 1954-04-01 Lorenz C Ag Picture automat
DE1019696B (en) * 1956-09-28 1957-11-21 Siemens Ag Device for mounting a recording medium on a drum, especially for telegraph equipment
DE1035194B (en) * 1957-05-20 1958-07-31 Hell Rudolf Dr Ing Fa Method and apparatus for the automatic reception and printing of facsimilograms

Also Published As

Publication number Publication date
FR1462568A (en) 1966-12-16
DE1290571B (en) 1969-03-13

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