GB1044809A - Improvements in rotary switches - Google Patents

Improvements in rotary switches

Info

Publication number
GB1044809A
GB1044809A GB11731/64A GB1173164A GB1044809A GB 1044809 A GB1044809 A GB 1044809A GB 11731/64 A GB11731/64 A GB 11731/64A GB 1173164 A GB1173164 A GB 1173164A GB 1044809 A GB1044809 A GB 1044809A
Authority
GB
United Kingdom
Prior art keywords
rim
switch
casing
thumbwheel
markings
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
GB11731/64A
Inventor
John Anthony Cartwright
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.)
Painton and Co Ltd
Original Assignee
Painton 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 Painton and Co Ltd filed Critical Painton and Co Ltd
Priority to GB11731/64A priority Critical patent/GB1044809A/en
Publication of GB1044809A publication Critical patent/GB1044809A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
    • H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/001—Thumb wheel switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/165—Indicators for switching condition, e.g. "on" or "off" comprising numbered dials

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)

Abstract

1,044,809. Mechanical switches, without quick action. PAINTON & CO. Ltd. March 16, 1965 [March 19, 1964], No. 11731/64. Heading H2B. A thumbwheel switch includes a rotary switching member 20 with a light-transmitting rim 21 (Figs. 5, 6, not shown) bearing markings signifying different switch positions, such markings being illuminated from behind by a light source mounted outside of and shining through the rim 21, the markings being visible through a window 8 of the front plate 5 of the switch casing 1, 4 (Fig. 1, not shown). The rim 21 is transparent or translucent, and its interior surface is toothed at 19 (Fig. 7, not shown). Rim 21 is stepped to provide a notched portion 23 of smaller radius which is engaged by a pair of spring detents 43 to locate member 20 in each switch position. Two bulbs in holders 50 provide illumination. Member 20 carries two spring-pressed bridging contacts 34 (Fig. 3, not shown) with three feet 39 movable over a printed circuit board 38. A screw 36 adjusts the pressure of each spring 32 on its contact 34. The spindle 28 of member 20 has press-fitted thereon the thumbwheel 61 (Figs. 2, 3, not shown), the casing part 3 having a recess 60 to accommodate thumbwheel 61. Casing 1 is in two metal parts 2, 3, screwed together through threaded tubular posts 4, 4<SP>1</SP> (Fig. 3, not shown) and providing a front plate 5, with window 8, and a rear plate carrying a plug connector 15. Lugs 6 receive mounting screws 7 (Figs. 1, 2, not shown), for mounting switch casing 1 in a panel.
GB11731/64A 1964-03-19 1964-03-19 Improvements in rotary switches Expired GB1044809A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB11731/64A GB1044809A (en) 1964-03-19 1964-03-19 Improvements in rotary switches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB11731/64A GB1044809A (en) 1964-03-19 1964-03-19 Improvements in rotary switches

Publications (1)

Publication Number Publication Date
GB1044809A true GB1044809A (en) 1966-10-05

Family

ID=9991642

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11731/64A Expired GB1044809A (en) 1964-03-19 1964-03-19 Improvements in rotary switches

Country Status (1)

Country Link
GB (1) GB1044809A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1648212A1 (en) * 2004-10-14 2006-04-19 Research In Motion Limited Method of mounting thumbwheel switch on printed circuit board and handheld electronic device incorporating same
US7639240B2 (en) 2004-10-15 2009-12-29 Research In Motion Limited Method of mounting thumbwheel switch on printed circuit board and handheld electronic device incorporating same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1648212A1 (en) * 2004-10-14 2006-04-19 Research In Motion Limited Method of mounting thumbwheel switch on printed circuit board and handheld electronic device incorporating same
US7639240B2 (en) 2004-10-15 2009-12-29 Research In Motion Limited Method of mounting thumbwheel switch on printed circuit board and handheld electronic device incorporating same
US8310466B2 (en) 2004-10-15 2012-11-13 Research In Motion Limited Method of mounting thumbwheel switch on printed circuit board and handheld electronic device incorporating the same

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