GB897847A - Improvements in or relating to electric switches having axially-movable operating spindles - Google Patents

Improvements in or relating to electric switches having axially-movable operating spindles

Info

Publication number
GB897847A
GB897847A GB2781958A GB2781958A GB897847A GB 897847 A GB897847 A GB 897847A GB 2781958 A GB2781958 A GB 2781958A GB 2781958 A GB2781958 A GB 2781958A GB 897847 A GB897847 A GB 897847A
Authority
GB
United Kingdom
Prior art keywords
axially
plates
switches
aug
movable operating
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
GB2781958A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries 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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB897847A publication Critical patent/GB897847A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/30—Adjustable resistors the contact sliding along resistive element
    • H01C10/32—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path
    • H01C10/36—Adjustable resistors the contact sliding along resistive element the contact moving in an arcuate path structurally combined with switching arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Switches With Compound Operations (AREA)

Abstract

897,847. Snap-action switches; actuation of switches. PHILIPS ELECTRICAL INDUSTRIES Ltd. Aug. 29, 1958 [Aug. 31, 1957], No. 27819/58. Class 38 (5). A switch suitable for use with a potentiometer in a radio receiver, comprises a rotatable and axially-movable operating spindle 3 which drives by means of two toggle-action springs 5, a pair of axially-movable insulating plates 11 whose ends are guided in grooves 15 in the housing 1. Each spring is formed by bending to a U-shape the ends of a straight metal wire so that the straight part 7 engages a circumferential groove 9 in the spindle and the free ends 19 pass through clearance holes 21 in the plates. The plates support silver-coated metal contact rods 23, located in apertures 25 so that the rods rotate slightly each time their ends engage fixed contacts 29, thus distributing contact wear.
GB2781958A 1957-08-31 1958-08-29 Improvements in or relating to electric switches having axially-movable operating spindles Expired GB897847A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL220431 1957-08-31

Publications (1)

Publication Number Publication Date
GB897847A true GB897847A (en) 1962-05-30

Family

ID=19750967

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2781958A Expired GB897847A (en) 1957-08-31 1958-08-29 Improvements in or relating to electric switches having axially-movable operating spindles

Country Status (1)

Country Link
GB (1) GB897847A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3126816A1 (en) * 1981-07-08 1983-01-27 Marquardt Gmbh, 7201 Rietheim-Weilheim "ELECTRIC SWITCH"

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3126816A1 (en) * 1981-07-08 1983-01-27 Marquardt Gmbh, 7201 Rietheim-Weilheim "ELECTRIC SWITCH"

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