US2956120A - Tabulator mechanism for teleprinters - Google Patents

Tabulator mechanism for teleprinters Download PDF

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Publication number
US2956120A
US2956120A US678202A US67820257A US2956120A US 2956120 A US2956120 A US 2956120A US 678202 A US678202 A US 678202A US 67820257 A US67820257 A US 67820257A US 2956120 A US2956120 A US 2956120A
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US
United States
Prior art keywords
clutch
rocker
lever
pawl
bar
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 - Lifetime
Application number
US678202A
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English (en)
Inventor
Grimsen Gerhard
Augustin Johann
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric 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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of US2956120A publication Critical patent/US2956120A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/18—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of receivers
    • H04L13/186—Page printing; tabulating

Definitions

  • This invention relates to tabulator mechanism for teleprinters.
  • the invention proposes an arrangement which operates in connection with the well-known repeater key and which, by a simple actuation of this key, permits both apparatus to be brought into the same position as desired, without a verbal agreement having to be reached bet-ween or by the two teleprinting operators.
  • a rocker In parallel with the moving printing device or with the moving platen, there are arranged on a rocker one or more cams which are displaceable in an axial direction and which, in predetermined positions, come into contact with an actuator mounted either on the moving printing device or the moving platen respectively. As soon as the actuator, which is mountedon the respective moving element, comes into engagement touch with one of the cams mounted on the rocker, this rocker is actuated and, either electrically or purely mechanically, causes the repeater key to be rendered ineffective.
  • the mode of operation of the arrangement is as follows: If, from the initial line position on, the two interconnected teleprinter sets are supposed to be brought to a predetermined line position then at first, and similar as with the typewriter, one of the cams arranged on the rocker bar of the transmitting teleprinter, is shifted into the corresponding position, and set or arrested in this position. Now, upon actuating the repeater key, after having actuated the space bar prior thereto, the platen or carriage of the transmitting teleprinter will continue to step on until the actuator, mounted on the moving member, will. come into engagement with the set cam on the rocker bar.
  • cams may be arranged on the rocker lying parallel to the moving element. These cams may then be shifted into the desired positions, where they may be set or arrested. In this way it is rendered possible to make any number of oil-set sec- Patented Oct. 11, 1960 nism of Fig. 1.
  • a rocker 1 which is rotatable about the bearings 22 and further comprises a rod 21 (see Fig. 1a) with one or more displaceable cams 25 on runners 2 which, with the aid of screws 23, may be tightened against the rod 21, or may be retained in predetermined positions on this rod by means of resilient or spring-mounted members in association with kerfs, or notches, etc., on the rod.
  • Pawl 19 is arranged to be swung to the right by engagement with the releasing pawl 8.
  • Pawl 8 is operated by the repeater key 10. However, it can be returned to its normal position even if the key 10 is held depressed.
  • the latter action is controlled by the armature 7 of magnet 6 which is normally deenergized but which becomes energized at the tabulating stop points to be described hereinbelow.
  • This action in controlling the clutch lever 26 by the pawl 1'9 for the tabulating operation is independent of the normal clutch control for other than tabulating purposes.
  • These latter actions are controlled by the lever 28.
  • the lever 28 is shown in its normal position in which it remains during the tabulating operation.
  • the releasing pawl 8 is formed with an extension 7 which constitutes the armature of an electromagnet 6.
  • an actuator member 11 on the type bar carriage 24 engages a displaced cam 25 on a rod 21, the rocker is rotated clockwise and its rear extension 3 closes a pair of contacts 4 to complete.
  • the magnet 6 attracts its armature 7 and thereby the releasing pawl 8 is moved to its normal position and the clutch throw-out lever 26 is enabled to decouple the clutch 27 in the usual manner.
  • the continuous transmission of the space signal is thus arrested, although the repeater key 10 may be held depressed. In the latter event the tension of the spring 9 is somewhat increased but the attraction'of the armature 7 is suflicient to overcome such tension.
  • This lever may be brought into either of two positions, i.e. into the position On or Off. 'In the On position the projection 18 comes into contact with the left-hand end of the lever 13, so that the arrangement is rendered effective, that is, switched-on. In the OE position, however, the pull rod '12 will be swivelled and thus disengaged from the lever 13. In this case, accordingly, the arrangement is rendered ineffective.
  • a moving type-bar carriage a repeater key, code plus transmission members, separable clutch members arranged to be mechanically clutched and declutched to control the operation of said transmission members clutch control means, a release pawl mechanically linked with said clutch throw out means and controlled by said repeater key for operating said clutch control means to cause said code transmission members to be moved for pulse transmission and thereby initiating the continuous transmission of space signals, a rocker bar mounted to extend parallel to the direction of movement of said carriage, a cam and means for rigidly securing it to said rocker bar, an actuating member mounted on said carriage and movable therewith into engagement with said cam to cause rotation of said rocker bar, and means controlled by said rocker bar for actuating said release pawl to operate said separable clutch members to declutching relation and thereby to arrest the transmission of space signals.
  • Teleprinter apparatus wherein means is provided for rendering said last-mentioned means ineffective, said means comprising two-position switch means effective in one position to render said rocker bar ineffective to arrest the said transmission and effective in another position to render said rocker bar efiective to cause said transmission.
  • a page printing teleprinter apparatus a moving type-bar carriage, a repeater key, code pulse transmission members, separable clutch members arranged to be mechanically clutched and declutched to control the operation of said transmission members clutch control means, a release pawl mechanically linked with said clutch throw out means and controlled by said repeater key for operating said clutch control means to cause said codetransmission members to be moved for pulse transmission and thereby initiating the continuous transmission of space signals, a rocker bar mounted to extend parallel to the direction of movement of said carriage, a cam and means for rigidly securing it to said rocker bar, an actuating member mounted on said carriage and movable therewith into engagement with said cam to cause rotation of said rocker bar, an electromagnet having an armature mechanically linked with said release pawl, and contact means controlled by said rocker bar for energizing said magnet for actuating said release pawl to operate said separable clutch members to declutching relation and thereby to arrest the transmission of space signals.
  • Teleprinter apparatus according to claim 3, further comprising manually operable switch means connected in the circuit of said magnet.
  • a moving type-bar carriage a repeater key code pulse transmission members, separate clutch members arranged to be mechanically clutched and declutched to control the operation of said transmission members, clutch throw out means, a release pawl mechanically linked with said clutch throw out means and controlled by said repeater key for operating said clutch control means to cause said code transmission members to be moved for pulse transmission and thereby initiating the continuous transmission of space signals
  • a rocker bar mounted to extend parallel to the direction of movement of said carriage, a cam and means for rigidly securing it to said rocker bar, an actuating member mounted on said carriage and movable therewith into engagement with said cam to cause rotation of said rocker bar, a pull rod pivoted to said rocker bar and a lever connected to said release pawl and cooperating with said pull rod whereby upon the actuation of said pull rod by said rocker bar said release pawl operates said separable clutch members into declutch relation and thereby arrests the transmission of space signals.
  • Teleprinter apparatus according to claim 5, further comprising means for disassociating said pull rod from said release pawl.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Common Mechanisms (AREA)
  • Push-Button Switches (AREA)
  • Handling Of Sheets (AREA)
US678202A 1956-08-22 1957-08-14 Tabulator mechanism for teleprinters Expired - Lifetime US2956120A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL25563A DE1030867B (de) 1956-08-22 1956-08-22 Tabulatoreinrichtung fuer Blattfernschreiber

Publications (1)

Publication Number Publication Date
US2956120A true US2956120A (en) 1960-10-11

Family

ID=7263460

Family Applications (1)

Application Number Title Priority Date Filing Date
US678202A Expired - Lifetime US2956120A (en) 1956-08-22 1957-08-14 Tabulator mechanism for teleprinters

Country Status (5)

Country Link
US (1) US2956120A (de)
CH (1) CH357430A (de)
DE (1) DE1030867B (de)
FR (1) FR1188520A (de)
GB (1) GB824740A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646268A (en) * 1968-03-02 1972-02-29 Olivetti & Co Spa Carriage-shifting arrangement for teleprinters and terminal apparatus in general

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2111387A (en) * 1935-11-27 1938-03-15 Teletype Corp Printing telegraph apparatus
US2216337A (en) * 1938-12-19 1940-10-01 Teletype Corp Printing telegraph apparatus
US2250717A (en) * 1939-08-01 1941-07-29 Western Union Telegraph Co Telegraph apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB218643A (en) * 1923-07-05 1925-12-23 Kleinschmidt Electric Company Telegraph typewriters
DE1001703B (de) * 1955-10-13 1957-01-31 Siemens Ag Blattfernschreibmaschine mit Tabelliereinrichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2111387A (en) * 1935-11-27 1938-03-15 Teletype Corp Printing telegraph apparatus
US2216337A (en) * 1938-12-19 1940-10-01 Teletype Corp Printing telegraph apparatus
US2250717A (en) * 1939-08-01 1941-07-29 Western Union Telegraph Co Telegraph apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3646268A (en) * 1968-03-02 1972-02-29 Olivetti & Co Spa Carriage-shifting arrangement for teleprinters and terminal apparatus in general

Also Published As

Publication number Publication date
GB824740A (en) 1959-12-02
FR1188520A (fr) 1959-09-23
CH357430A (de) 1961-10-15
DE1030867B (de) 1958-05-29

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