GB901665A - Improvements relating to key-operated electric switches - Google Patents
Improvements relating to key-operated electric switchesInfo
- Publication number
- GB901665A GB901665A GB4203359A GB4203359A GB901665A GB 901665 A GB901665 A GB 901665A GB 4203359 A GB4203359 A GB 4203359A GB 4203359 A GB4203359 A GB 4203359A GB 901665 A GB901665 A GB 901665A
- Authority
- GB
- United Kingdom
- Prior art keywords
- key
- improvements relating
- dec
- sets
- electric switches
- 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
- H01H27/00—Switches operated by a removable member, e.g. key, plug or plate; Switches operated by setting members according to a single predetermined combination out of several possible settings
- H01H27/06—Key inserted and then turned to effect operation of the switch
Landscapes
- Lock And Its Accessories (AREA)
Abstract
901,665. Cam-operated switches. ASSOCIATED ELECTRICAL INDUSTRIES Ltd. Dec. 1, 1960 [Dec. 10, 1959], No. 42033/59. Class 38 (5). A dial-lock switch for preventing unauthorized use of trunk-dialling facilities comprises a key-operated barrel-type lock 1, carrying on an integral projection 2 at one end, a face cam 3, preferably of nylon, which engages a camfollower 4<SP>1</SP> formed by bending the moving contact blade 4 of the contact set. As shown, the set comprises two fixed arcuate blades 7 and one movable arcuate blade 4, but in Fig. 3 (not shown), there are two such sets, the movable blades of the sets being connected by a rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4203359A GB901665A (en) | 1959-12-10 | 1959-12-10 | Improvements relating to key-operated electric switches |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4203359A GB901665A (en) | 1959-12-10 | 1959-12-10 | Improvements relating to key-operated electric switches |
Publications (1)
Publication Number | Publication Date |
---|---|
GB901665A true GB901665A (en) | 1962-07-25 |
Family
ID=10422522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4203359A Expired GB901665A (en) | 1959-12-10 | 1959-12-10 | Improvements relating to key-operated electric switches |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB901665A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2124026A (en) * | 1982-07-09 | 1984-02-08 | Regent Lock Co Ltd | Key operable lock |
-
1959
- 1959-12-10 GB GB4203359A patent/GB901665A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2124026A (en) * | 1982-07-09 | 1984-02-08 | Regent Lock Co Ltd | Key operable lock |
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