GB759237A - Electric switch operable by deformation of the housing - Google Patents
Electric switch operable by deformation of the housingInfo
- Publication number
- GB759237A GB759237A GB33878/54A GB3387854A GB759237A GB 759237 A GB759237 A GB 759237A GB 33878/54 A GB33878/54 A GB 33878/54A GB 3387854 A GB3387854 A GB 3387854A GB 759237 A GB759237 A GB 759237A
- Authority
- GB
- United Kingdom
- Prior art keywords
- ribbon
- middle strip
- housing
- turns
- deformation
- 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
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/14—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for operation by a part of the human body other than the hand, e.g. by foot
- H01H3/141—Cushion or mat switches
- H01H3/142—Cushion or mat switches of the elongated strip type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/10—Contact cables, i.e. having conductors which may be brought into contact by distortion of the cable
Landscapes
- Push-Button Switches (AREA)
Abstract
759,237. Retractive switches. SPECIALTIES DEVELOPMENT CORPORATION. Nov. 23, 1954 [Dec. 2, 1953]. No. 33878/54. Class 38(5) A deformable switch assembly adapted to be operable by compression at any point along its length, comprises three elongate, superimposed, flexible conductive strips 10, 11 and 12, the middle one of which 11 has a spiral of non-conductive ribbon 14 wound around it so as to separate it from the other two, and a deformable non-conductive housing 15 enclosing the whole. The turns of the spiral winding are spaced along the longitudinal axis of the middle strip so that the distance between turns is greater than the, width of the ribbon, and the ribbon itself is made from silicone rubber. The two outer strips 10 and 12 are connected together to one side .of an electrical circuit and the middle strip is connected to the other side so that on applying pressure at any point along the length contact is made between the middle strip and one of the other two and the circuit is completed.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US759237XA | 1953-12-02 | 1953-12-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB759237A true GB759237A (en) | 1956-10-17 |
Family
ID=22128779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB33878/54A Expired GB759237A (en) | 1953-12-02 | 1954-11-23 | Electric switch operable by deformation of the housing |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB759237A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2328318A (en) * | 1997-08-14 | 1999-02-17 | Draftex Ind Ltd | Force-responsive sensor |
US6281455B1 (en) | 1997-08-14 | 2001-08-28 | Draftex Industries Limited | Force-responsive detectors and systems |
-
1954
- 1954-11-23 GB GB33878/54A patent/GB759237A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2328318A (en) * | 1997-08-14 | 1999-02-17 | Draftex Ind Ltd | Force-responsive sensor |
US6281455B1 (en) | 1997-08-14 | 2001-08-28 | Draftex Industries Limited | Force-responsive detectors and systems |
GB2328318B (en) * | 1997-08-14 | 2001-12-19 | Draftex Ind Ltd | Force-responsive detectors and systems |
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