GB342736A - Improvements in or relating to switching mechanisms for use in telephone systems - Google Patents
Improvements in or relating to switching mechanisms for use in telephone systemsInfo
- Publication number
- GB342736A GB342736A GB3385629A GB3385629A GB342736A GB 342736 A GB342736 A GB 342736A GB 3385629 A GB3385629 A GB 3385629A GB 3385629 A GB3385629 A GB 3385629A GB 342736 A GB342736 A GB 342736A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- wiper
- telephone systems
- switching mechanisms
- aldwych
- 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
- H01H63/00—Details of electrically-operated selector switches
- H01H63/02—Contacts; Wipers; Connections thereto
- H01H63/04—Contact-making or contact-breaking wipers; Position indicators therefor
Landscapes
- Push-Button Switches (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
342,736. Automatic exchange switches. STANDARD TELEPHONES & CABLES, Ltd., SMITH, C. P., and NEWTON, G., Columbia House, Aldwych, London. Nov. 6, 1929, No. 33856. [Class 40 (iv).] The double-ended wiper of a rotary switch comprises a metal pressing having a flange 2 round the edge. The wiper tips 3 may be formed integrally as shown, or may be made of more elastic material than the body of the wiper, and welded or riveted thereto.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3385629A GB342736A (en) | 1929-11-06 | 1929-11-06 | Improvements in or relating to switching mechanisms for use in telephone systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3385629A GB342736A (en) | 1929-11-06 | 1929-11-06 | Improvements in or relating to switching mechanisms for use in telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB342736A true GB342736A (en) | 1931-02-06 |
Family
ID=10358328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3385629A Expired GB342736A (en) | 1929-11-06 | 1929-11-06 | Improvements in or relating to switching mechanisms for use in telephone systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB342736A (en) |
-
1929
- 1929-11-06 GB GB3385629A patent/GB342736A/en not_active Expired
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