GB583758A - Improvements in or relating to motor-driven cam-actuated electric switches - Google Patents
Improvements in or relating to motor-driven cam-actuated electric switchesInfo
- Publication number
- GB583758A GB583758A GB2389344A GB2389344A GB583758A GB 583758 A GB583758 A GB 583758A GB 2389344 A GB2389344 A GB 2389344A GB 2389344 A GB2389344 A GB 2389344A GB 583758 A GB583758 A GB 583758A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cams
- insulated
- motor
- contacts
- relating
- 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
- H01H19/60—Angularly-movable actuating part carrying no contacts
- H01H19/62—Contacts actuated by radial cams
Landscapes
- Electron Sources, Ion Sources (AREA)
- Adornments (AREA)
- Sorting Of Articles (AREA)
Abstract
583,758. Make and break switches, mechanical. TENCH, F. (Automatic Electric Laboratories, Inc.). Nov. 30, 1944, No. 23893. [Class 38 (v)] [Also in Group XL] A motor-driven switch comprises a plurality of cams 17-22 mounted on a shaft 16 on bearings 15 secured to the switch housing 11, and movable platinum-iridium contacts 31, each on a flat nickel-silver spring 29, which engage fixed, adjustable platinum-iridium contacts 34 on polystyrene-insulated screws 36. The springs 29 are insulated from a panel 12 by a block 26 and actuated by resiliently-mounted rollers 24 bearing on the cam profiles, through insulators 28. A tag 32, insulated by a polystyrene block 33, is clamped to each spring 29. The cams 21, 22 and their contacts are screened by the earthed plate 23, and their profiles are arranged so that their circuits are made before and broken after the circuits controlled by the other cams. The switch may be used with portable direction finders (see Group XL).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2389344A GB583758A (en) | 1944-11-30 | 1944-11-30 | Improvements in or relating to motor-driven cam-actuated electric switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2389344A GB583758A (en) | 1944-11-30 | 1944-11-30 | Improvements in or relating to motor-driven cam-actuated electric switches |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB583758A true GB583758A (en) | 1946-12-30 |
Family
ID=10203010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2389344A Expired GB583758A (en) | 1944-11-30 | 1944-11-30 | Improvements in or relating to motor-driven cam-actuated electric switches |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB583758A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178898A (en) * | 1985-04-15 | 1987-02-18 | Fu Chi Chieh | Switches |
-
1944
- 1944-11-30 GB GB2389344A patent/GB583758A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2178898A (en) * | 1985-04-15 | 1987-02-18 | Fu Chi Chieh | Switches |
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