GB1107644A - Improvements relating to electric switches - Google Patents

Improvements relating to electric switches

Info

Publication number
GB1107644A
GB1107644A GB2316664A GB2316664A GB1107644A GB 1107644 A GB1107644 A GB 1107644A GB 2316664 A GB2316664 A GB 2316664A GB 2316664 A GB2316664 A GB 2316664A GB 1107644 A GB1107644 A GB 1107644A
Authority
GB
United Kingdom
Prior art keywords
wheel
rotation
shaft
rotates
pinion
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
GB2316664A
Inventor
John Robert Ashman
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.)
Plessey UK Ltd
Original Assignee
Plessey UK 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 Plessey UK Ltd filed Critical Plessey UK Ltd
Priority to GB2316664A priority Critical patent/GB1107644A/en
Priority to FR19415A priority patent/FR1435609A/en
Priority to DK282665A priority patent/DK113787B/en
Priority to NL6507215A priority patent/NL6507215A/xx
Publication of GB1107644A publication Critical patent/GB1107644A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H01H3/58—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts using friction, toothed, or other mechanical clutch

Landscapes

  • Switches With Compound Operations (AREA)
  • Mechanical Control Devices (AREA)

Abstract

1,107,644. Switches held set and freed mechanically. PLESSEY-UK Ltd. 3 June, 1965 [4 June, 1964], No. 23166/64. Heading H1N. Rotation of a control knob 10 causes rotation of a threaded shaft 13 bearing acarriage 14 which is contained against rotation on shaft 13 and which displaces a pinion 8 along a shaft 9 into a selected position for driving engagement with a rotor wheel 5 then rotation of a control knob 22 rotates shaft 9 and thus rotates the selected wheel 5 via pinion 8 and moves the contact wiper 4 of wheel 5 (Fig. 3, not shown) until it engages a selected. contact on an associated printed circuit board 3. Simultaneously knob 22 rotates on indicator disc 27 such that characters visible at a window 30 (Fig. 4, not shown) signify the particular outlet of the switch unit engaged by the wiper 4. Pressure on a reset button 31 unlatches detents such as 32 from the selected wheel 5 which is then restored to a datum position by axial return springs 33 (Fig. 5, not shown) which are stressed when wheel 5 is rotated to a selected position. Alternatively the wheel 5 may be returned manually to a stop position before rotation to another selected position. Pinion 8 is indexed in position for engaging a wheel 5 by a spring pressure ball engaging indentations 18 in a member 19 of casing 1. Carriage 14 carries a pointer 20 which shows in an illuminated window 21 the switch unit or rotor wheel 5 selected by knob 10.
GB2316664A 1964-06-04 1964-06-04 Improvements relating to electric switches Expired GB1107644A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB2316664A GB1107644A (en) 1964-06-04 1964-06-04 Improvements relating to electric switches
FR19415A FR1435609A (en) 1964-06-04 1965-06-03 Electric switch
DK282665A DK113787B (en) 1964-06-04 1965-06-04 Electrical switch.
NL6507215A NL6507215A (en) 1964-06-04 1965-06-04

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2316664A GB1107644A (en) 1964-06-04 1964-06-04 Improvements relating to electric switches
GB5274064 1964-12-30

Publications (1)

Publication Number Publication Date
GB1107644A true GB1107644A (en) 1968-03-27

Family

ID=26256384

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2316664A Expired GB1107644A (en) 1964-06-04 1964-06-04 Improvements relating to electric switches

Country Status (4)

Country Link
DK (1) DK113787B (en)
FR (1) FR1435609A (en)
GB (1) GB1107644A (en)
NL (1) NL6507215A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408311A (en) * 2003-11-20 2005-05-25 Invensys Controls Uk Ltd Parameter control device which can be reset and then altered to a desired value
GB2422207A (en) * 2005-01-15 2006-07-19 Invensys Controls Uk Ltd A control device suitable for a heating, ventilation and air-conditioning (HVAC) system.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2408311A (en) * 2003-11-20 2005-05-25 Invensys Controls Uk Ltd Parameter control device which can be reset and then altered to a desired value
GB2408311B (en) * 2003-11-20 2006-05-10 Invensys Controls Uk Ltd Thermostatic control device and method of setting
GB2422207A (en) * 2005-01-15 2006-07-19 Invensys Controls Uk Ltd A control device suitable for a heating, ventilation and air-conditioning (HVAC) system.
GB2422207B (en) * 2005-01-15 2009-07-22 Invensys Controls Uk Ltd Improved control device and method of setting a control device

Also Published As

Publication number Publication date
NL6507215A (en) 1965-12-06
FR1435609A (en) 1966-04-15
DK113787B (en) 1969-04-28

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