GB814606A - Electric switching apparatus for controlling machines - Google Patents

Electric switching apparatus for controlling machines

Info

Publication number
GB814606A
GB814606A GB27421/55A GB2742155A GB814606A GB 814606 A GB814606 A GB 814606A GB 27421/55 A GB27421/55 A GB 27421/55A GB 2742155 A GB2742155 A GB 2742155A GB 814606 A GB814606 A GB 814606A
Authority
GB
United Kingdom
Prior art keywords
band
contact
teeth
shaft
energized
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
GB27421/55A
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.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber 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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Publication of GB814606A publication Critical patent/GB814606A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/24—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed with timing of actuation of contacts due to a non-rotatable moving part

Landscapes

  • Tyre Moulding (AREA)

Abstract

814,606. Stencil switches. DUNLOP RUBBER CO. Ltd. Sept. 27, 1955 [Oct. 23, 1954], No. 27421/55. Class 38 (5). Apparatus for controlling a plurality of operations, e.g. in a tyre vulcanizer or tyre building machine, comprises a number of stationary contact segments 11 having interposed rubber discs 6 mounted on a shaft 10 rotated by a solenoid 2 through a pawl-andratchet mechanism 3. Contact brushes 8 associated with the segments 11 engage the latter when permitted by slots of selected lengths in an endless insulating control band (Figs. 2, 8, not shown). The band is driven by the shaft 10 by teeth 5a rotatable with the shaft and engaging holes provided in the band edge. The solenoid 2 is intermittently energized through a selected one of a pair of contact sets, each set being operated by teeth of an associated disc driven by a respective synchronous motor. The two discs have different numbers of teeth and the two motors are each controlled by a respective contact pair 8, 11, these contact pairs being controlled by slots in the control band so arranged that one of the motors may be energized at any one time. Thus depending on which motor is energized the band is driven at a greater or lesser speed. The circuit arrangement is given in Fig. 7 (not shown).
GB27421/55A 1954-10-23 1955-09-27 Electric switching apparatus for controlling machines Expired GB814606A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE814606X 1954-10-23

Publications (1)

Publication Number Publication Date
GB814606A true GB814606A (en) 1959-06-10

Family

ID=6734575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27421/55A Expired GB814606A (en) 1954-10-23 1955-09-27 Electric switching apparatus for controlling machines

Country Status (1)

Country Link
GB (1) GB814606A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285054A (en) * 1961-05-24 1966-11-15 Mine Safety Appliances Co Programmer for fluid analysis

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3285054A (en) * 1961-05-24 1966-11-15 Mine Safety Appliances Co Programmer for fluid analysis

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