GB1165620A - Improvements in or relating to Thumb-Operated Edge-Wheel Electrical Rotary Switches. - Google Patents

Improvements in or relating to Thumb-Operated Edge-Wheel Electrical Rotary Switches.

Info

Publication number
GB1165620A
GB1165620A GB2848567A GB2848567A GB1165620A GB 1165620 A GB1165620 A GB 1165620A GB 2848567 A GB2848567 A GB 2848567A GB 2848567 A GB2848567 A GB 2848567A GB 1165620 A GB1165620 A GB 1165620A
Authority
GB
United Kingdom
Prior art keywords
detent
switch
switches
edge
thumb
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
GB2848567A
Inventor
Jerzy George Glass
John Douglas Miller
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.)
Telephone Manufacturing Co Ltd
Original Assignee
Telephone Manufacturing 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 Telephone Manufacturing Co Ltd filed Critical Telephone Manufacturing Co Ltd
Priority to GB2848567A priority Critical patent/GB1165620A/en
Publication of GB1165620A publication Critical patent/GB1165620A/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
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H01H19/11—Movable parts; Contacts mounted thereon with indexing means
    • 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

Abstract

1,165,620. Mechanical switches; conjoint operation of switches. TELEPHONE MFG. CO. Ltd. 16 May, 1968 [20 June, 1967], No. 28485/67. Heading H1N. The locating spring detent 7 of a thumbwheel switch has an extension 9 shaped as shown such that its end 18 may be latched on the edge 17 of an aperture 16 in the switch housing to render the detent inoperative, thereby reducing the force necessary to rotate the switch when it is coupled to a similar switch, or switches, for conjoint operation (as in Fig. 3, not shown). The fixed end of spring detent 7 is located in a recess in the switch housing, as shown, and retained by a cover plate (not shown). A lateral extension (19, Fig. 3, not shown) of detent 7 projects outside the easing through a slot 14 for manual movement of the detent to the latched position. The detent may be restored by pressing the portion 18 clear of the edge 17.
GB2848567A 1967-06-20 1967-06-20 Improvements in or relating to Thumb-Operated Edge-Wheel Electrical Rotary Switches. Expired GB1165620A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2848567A GB1165620A (en) 1967-06-20 1967-06-20 Improvements in or relating to Thumb-Operated Edge-Wheel Electrical Rotary Switches.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2848567A GB1165620A (en) 1967-06-20 1967-06-20 Improvements in or relating to Thumb-Operated Edge-Wheel Electrical Rotary Switches.

Publications (1)

Publication Number Publication Date
GB1165620A true GB1165620A (en) 1969-10-01

Family

ID=10276394

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2848567A Expired GB1165620A (en) 1967-06-20 1967-06-20 Improvements in or relating to Thumb-Operated Edge-Wheel Electrical Rotary Switches.

Country Status (1)

Country Link
GB (1) GB1165620A (en)

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees