GB601640A - Improvements in or relating to multiple position rotary electric switches - Google Patents
Improvements in or relating to multiple position rotary electric switchesInfo
- Publication number
- GB601640A GB601640A GB3019145A GB3019145A GB601640A GB 601640 A GB601640 A GB 601640A GB 3019145 A GB3019145 A GB 3019145A GB 3019145 A GB3019145 A GB 3019145A GB 601640 A GB601640 A GB 601640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- plate
- discs
- prevented
- rotation
- 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
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Switches With Compound Operations (AREA)
Abstract
601,640. Snap-action switches. TAYLOR ELECTRICAL INSTRUMENTS, Ltd., and RICH, D. Nov. 12, 1945, No. 30191. [Class 38 (v)] The fixed contacts 2 and a ring contact 3 of each deck of a multi-position rotary switch are carried on a plate 1, and bridged selectively by a cantilever leaf spring 4 carried on an insulating disc 5 rotatable with a shaft 8. The discs 5 are mounted on bosses 11 secured to the shaft and are held in place by ring discs 18, 19, the end one of which discs 19 has a spring extension 7 co-operating with positioning humps 6a on a fixed plate 6, and a stop 23 engaging lugs 24, 25 to limit the shaft-rotation. The fixed contacts are preferably of light metal having portions bent over through fixing holes 27, 29 in the plate 1. The bridging contact 4 has two arms 4a, 4b, the ends of which may either directly engage the contacts 2, 3 or be joined by a plate 35 bearing thereon, Fig. 8. Longitudinal movement of the shaft 8 is prevented by a clip 22b sprung into grooves in the shaft and its boss 9, Fig. 2, and rotation of the plates 1, 6 is prevented by a lug 14 on the latter engaging a recess in a mounting panel 10.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB601640A true GB601640A (en) | 1948-05-10 |
Family
ID=1741975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3019145A Expired GB601640A (en) | 1945-11-12 | Improvements in or relating to multiple position rotary electric switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB601640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2821580A (en) * | 1955-10-31 | 1958-01-28 | George S Black | Switch |
-
1945
- 1945-11-12 GB GB3019145A patent/GB601640A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2821580A (en) * | 1955-10-31 | 1958-01-28 | George S Black | Switch |
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