GB191408038A - Improvements in Electric Switches. - Google Patents
Improvements in Electric Switches.Info
- Publication number
- GB191408038A GB191408038A GB191408038DA GB191408038A GB 191408038 A GB191408038 A GB 191408038A GB 191408038D A GB191408038D A GB 191408038DA GB 191408038 A GB191408038 A GB 191408038A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sides
- cups
- contact
- spring
- inclined sides
- 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
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/16—Operating parts, e.g. push-button adapted for operation by a part of the human body other than the hand, e.g. by foot
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Tumbler Switches (AREA)
Abstract
8038. Hart, G. W. April 1, 1913, [Convention date]. Retractive switches.-The switch is composed of stationary contacts in the form of arcs of a circle with inclined sides, and a movable bridging-contact in the form of a cup with yielding sides and obliquely-turned edges for engaging the inclined sides of the fixed contacts. It is particularly designed for operation by the foot in the control of motor-vehicles. The operating-plunger 7, seated over a retracting-spring 10 and a guiding-stem 6, bears on a spring 9, which in turn bears on a guided contact-member 13 composed of two inverted copper cups, one inside the other. The sides of the cups are slotted so as to give a large number of separately yielding contact-points, and the edges are inclined as shown. The cups form a bridging-member for two semicircular base-plate contacts 2, 2<1> with inclined sides. A packed metal casing 1 protects the parts against dust and moisture.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US191408038XA | 1913-04-01 | 1913-04-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB191408038A true GB191408038A (en) | 1914-11-26 |
Family
ID=34378023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB191408038D Expired GB191408038A (en) | 1913-04-01 | 1914-03-30 | Improvements in Electric Switches. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB191408038A (en) |
-
1914
- 1914-03-30 GB GB191408038D patent/GB191408038A/en not_active Expired
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