GB1116404A - Improvements in or relating to change over switches - Google Patents
Improvements in or relating to change over switchesInfo
- Publication number
- GB1116404A GB1116404A GB5118064A GB5118064A GB1116404A GB 1116404 A GB1116404 A GB 1116404A GB 5118064 A GB5118064 A GB 5118064A GB 5118064 A GB5118064 A GB 5118064A GB 1116404 A GB1116404 A GB 1116404A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- wire
- bridged
- disc
- positions
- 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
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
- H01H19/585—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch provided with printed circuit contacts
Landscapes
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Toys (AREA)
Abstract
1,116,404. Inert switches. SMITHS INDUSTRIES Ltd. 10 Dec., 1965 [16 Dec., 1964], No. 51180/64. Heading H1N. A double pole changeover switch comprises four contacts 8, 9, 10, 11 on a printed circuit board 2 and a pair of wire bridges 6, 13 on a rotary insulating disc. In the position shown contacts 8, 9 are bridged by wire 6 and contacts 10, 11 are bridged by wire 13. In the other extreme position contacts 8, 11 are bridged by wire 13 and contacts 9, 10 are bridged by wire 6. The disc is retained in one of these two positions by tightening the screw on which it is mounted. The positions are determined by the co-operation of projections on the disc with lugs 5, of a bracket into which the screw is threaded. The switch is incorporated in a car radio the contacts 8, 10 being connected to the supply leads, contact 11 being connected to the unearthed terminal of the battery and contact 9 being connected to earth. The switch is set in one of its positions according to whether the car has positive or negative earth.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5118064A GB1116404A (en) | 1964-12-16 | 1964-12-16 | Improvements in or relating to change over switches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB5118064A GB1116404A (en) | 1964-12-16 | 1964-12-16 | Improvements in or relating to change over switches |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1116404A true GB1116404A (en) | 1968-06-06 |
Family
ID=10458969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5118064A Expired GB1116404A (en) | 1964-12-16 | 1964-12-16 | Improvements in or relating to change over switches |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1116404A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4172970A (en) * | 1977-02-16 | 1979-10-30 | Ebauches S.A. | Electric switch |
-
1964
- 1964-12-16 GB GB5118064A patent/GB1116404A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4172970A (en) * | 1977-02-16 | 1979-10-30 | Ebauches S.A. | Electric switch |
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