GB868978A - Improvements in or relating to switches - Google Patents
Improvements in or relating to switchesInfo
- Publication number
- GB868978A GB868978A GB36994/57A GB3699457A GB868978A GB 868978 A GB868978 A GB 868978A GB 36994/57 A GB36994/57 A GB 36994/57A GB 3699457 A GB3699457 A GB 3699457A GB 868978 A GB868978 A GB 868978A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contacts
- nov
- bent
- grooves
- holes
- 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
- 210000002105 tongue Anatomy 0.000 abstract 1
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
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Tumbler Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL354821X | 1956-11-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB868978A true GB868978A (en) | 1961-05-25 |
Family
ID=19785177
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB36994/57A Expired GB868978A (en) | 1956-11-30 | 1957-11-27 | Improvements in or relating to switches |
Country Status (7)
Country | Link |
---|---|
US (1) | US3112377A (enrdf_load_stackoverflow) |
BE (1) | BE562823A (enrdf_load_stackoverflow) |
CH (1) | CH354821A (enrdf_load_stackoverflow) |
DE (1) | DE1102861B (enrdf_load_stackoverflow) |
FR (1) | FR1194455A (enrdf_load_stackoverflow) |
GB (1) | GB868978A (enrdf_load_stackoverflow) |
NL (1) | NL212625A (enrdf_load_stackoverflow) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3863039A (en) * | 1970-06-01 | 1975-01-28 | Spectrol Electronics Corp | Combined potentiometer and switching structure |
US3679848A (en) * | 1970-06-01 | 1972-07-25 | Spectrol Electronics Corp | Combined potentiometer and switching structure with improved radial contact pressure contact means |
US4086509A (en) * | 1976-09-03 | 1978-04-25 | Hansen Manufacturing Company Inc. | Sandwiched slip ring assembly |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE573921C (de) * | 1933-04-07 | Friemann & Wolf G M B H | Drehschalter | |
US1540328A (en) * | 1921-09-20 | 1925-06-02 | Western Electric Co | Contact terminal |
US1852753A (en) * | 1930-09-27 | 1932-04-05 | Bell Telephone Labor Inc | Telegraph signal distributing device |
CH231576A (de) * | 1941-05-28 | 1944-03-31 | Hermes Patentverwertungs Gmbh | Elektrischer Schalter zum doppelpoligen Einzel-, Parallel- und Hintereinanderschalten von zwei Heizwiderständen. |
GB622076A (en) * | 1945-01-12 | 1949-04-26 | Ericsson Telefon Ab L M | Improvements in or relating to electric switches and contacts therefor |
US2549998A (en) * | 1945-12-06 | 1951-04-24 | Grigsby Allison Co Inc | Electric switch construction |
DE835767C (de) * | 1948-10-22 | 1952-04-03 | Karl Glaser | Umschalter fuer die Schaltelemente in Hoch- und Niederfrequenz- Abstimmstromkreisen |
US2554724A (en) * | 1948-11-10 | 1951-05-29 | Oak Mfg Co | Electric switch |
US2587780A (en) * | 1948-12-13 | 1952-03-04 | Smitsvonk Nv | Electrical ignition system |
DE825283C (de) * | 1950-04-07 | 1951-12-17 | Hans M Oberlaender | Schalter fuer Hochfrequenzgeraete |
US2650960A (en) * | 1952-06-04 | 1953-09-01 | Grigsby Allison Company Inc | Rotary electric switch assembly |
FR1061083A (fr) * | 1952-07-29 | 1954-04-08 | Labinal Sa Des Ets | Perfectionnements apportés aux appareils du genre des commutateurs et interrupteurs rotatifs |
-
0
- NL NL212625D patent/NL212625A/xx unknown
- BE BE562823D patent/BE562823A/xx unknown
-
1957
- 1957-11-12 US US695959A patent/US3112377A/en not_active Expired - Lifetime
- 1957-11-27 DE DEN14395A patent/DE1102861B/de active Pending
- 1957-11-27 GB GB36994/57A patent/GB868978A/en not_active Expired
- 1957-11-28 FR FR1194455D patent/FR1194455A/fr not_active Expired
- 1957-11-28 CH CH354821D patent/CH354821A/de unknown
Also Published As
Publication number | Publication date |
---|---|
NL212625A (enrdf_load_stackoverflow) | |
CH354821A (de) | 1961-06-15 |
US3112377A (en) | 1963-11-26 |
FR1194455A (fr) | 1959-11-10 |
BE562823A (enrdf_load_stackoverflow) | |
DE1102861B (de) | 1961-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB925257A (en) | Improvements in and relating to electric switch contacts | |
GB805412A (en) | Improvements in rotary electric switches | |
GB731050A (en) | Improvements in electric limit switches | |
GB856813A (en) | Cam-controlled electrical switch consisting of axially aligned units | |
GB798891A (en) | Improvements in or relating to electric switches, more particularly for high frequencies | |
GB868978A (en) | Improvements in or relating to switches | |
GB1008352A (en) | Improvements relating to switch blades and electric switches incorporating such blades | |
GB737250A (en) | Improvements in and relating to electric switches and assemblies thereof | |
GB836575A (en) | Improvements in electromagnetic switches | |
GB853162A (en) | Improvements in or relating to electric cut-off switches having arc-quenching arrangements | |
GB889553A (en) | Improvements in or relating to electric switches | |
GB763245A (en) | Improvements in or relating to electric switches or switchgear | |
GB879813A (en) | Improvements in and relating to electric switches | |
GB571960A (en) | Improvements in or relating to electric multiple switches | |
GB565859A (en) | Improvements in and relating to electric contacts | |
GB784778A (en) | Improvements in and relating to three-heat electric switches | |
GB763092A (en) | Improvements in or relating to rotary electric switches | |
GB968587A (en) | Improvements in or relating to cam actuated electric switches | |
GB758950A (en) | Improvements in or relating to indexing means for rotary electric switches | |
GB884293A (en) | Improvements in heavy current electric switch contact arrangements | |
GB833038A (en) | Improvements in electric switches and contact arrangements therefor | |
GB904655A (en) | Improvements in or relating to wafer type switches | |
GB937783A (en) | Contact pieces for electric switches | |
GB786246A (en) | Snap-action mechanism for rotary electric switches | |
GB1358856A (en) | Electrical switch |