GB1604133A - Limit switch - Google Patents
Limit switch Download PDFInfo
- Publication number
- GB1604133A GB1604133A GB18043/78A GB1804378A GB1604133A GB 1604133 A GB1604133 A GB 1604133A GB 18043/78 A GB18043/78 A GB 18043/78A GB 1804378 A GB1804378 A GB 1804378A GB 1604133 A GB1604133 A GB 1604133A
- Authority
- GB
- United Kingdom
- Prior art keywords
- contact
- contact members
- pairs
- limit switch
- diode
- 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
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/30—Operating parts, e.g. handle not biased to return to a normal position upon removal of operating force
- H01H21/34—Operating parts, e.g. handle not biased to return to a normal position upon removal of operating force adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
- H01H9/541—Contacts shunted by semiconductor devices
Landscapes
- Control Of Direct Current Motors (AREA)
- Stopping Of Electric Motors (AREA)
- Mechanisms For Operating Contacts (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Control Of Position Or Direction (AREA)
- Details Of Television Scanning (AREA)
- Emergency Protection Circuit Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2801284A DE2801284C2 (de) | 1978-01-13 | 1978-01-13 | Endschalter |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1604133A true GB1604133A (en) | 1981-12-02 |
Family
ID=6029393
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18043/78A Expired GB1604133A (en) | 1978-01-13 | 1978-05-05 | Limit switch |
Country Status (5)
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2500680A1 (fr) * | 1981-02-23 | 1982-08-27 | Cibie Projecteurs | Dispositif limiteur de course associe a un moteur electrique |
JPS57172083A (en) * | 1981-04-15 | 1982-10-22 | Nissan Motor | Door lock manipulating apparatus |
US4355270A (en) * | 1981-12-02 | 1982-10-19 | General Motors Corporation | Motor reversing circuit for vehicle windshield wiper |
DE3440261A1 (de) * | 1984-11-03 | 1986-05-15 | Robert Bosch Gmbh, 7000 Stuttgart | Antriebsvorrichtung mit einem drehrichtungsumkehrbaren, elektrischen antriebsmotor |
EP0185238A1 (de) * | 1984-12-19 | 1986-06-25 | BBC Brown Boveri AG | Antrieb für einen Schalter |
US4689533A (en) * | 1985-10-25 | 1987-08-25 | Yang Tai Her | Controlled fan |
DE3719494A1 (de) * | 1987-06-11 | 1988-12-29 | Vdo Schindling | Verfahren zum ueberwachen der endstellung eines stellgliedes und schaltungsanordnung zur durchfuehrung des verfahrens |
US5461290A (en) * | 1994-01-03 | 1995-10-24 | Eti Systems | Control circuit for feedback, motor-operated valve |
CN116613925B (zh) * | 2023-06-03 | 2024-05-17 | 深圳市格尔机电科技有限公司 | 一种电推杆的行程限位控制方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB300895A (en) * | 1927-11-19 | 1929-08-15 | Jeumont Forges Const Elec | Improvements in mechanism for producing step by step movements particularly applicable to the switches of electrical control systems |
DE694058C (de) * | 1937-10-05 | 1940-07-24 | Busch Jaeger Luedenscheider Me | Drehschalter |
US2397557A (en) * | 1942-12-26 | 1946-04-02 | Sperry Gyroscope Co Inc | Limit stop |
US2606312A (en) * | 1945-07-09 | 1952-08-05 | Job R Rogers | Dynamic motor braking and reversing circuit |
DE1015102B (de) * | 1955-03-24 | 1957-09-05 | Aeg | Steuer-Quittungsschalter zum Einbau in Leucht- und Blindschalttafeln elektrischer Warten od. dgl. |
US2755423A (en) * | 1955-05-11 | 1956-07-17 | Gulf Research Development Co | Electric motor control apparatus |
US2912632A (en) * | 1957-08-23 | 1959-11-10 | Ite Circuit Breaker Ltd | Motor reversing and dynamic braking circuit |
US3173031A (en) * | 1962-03-19 | 1965-03-09 | Slater Electric Inc | Light dimming switch |
US3305718A (en) * | 1963-09-19 | 1967-02-21 | Bosch Arma Corp | Switch control system for permanent magnet motors and the like |
NL6401113A (US06623731-20030923-C00052.png) * | 1964-02-11 | 1965-08-12 | ||
US3290575A (en) * | 1964-05-01 | 1966-12-06 | Hughes Aircraft Co | Direct-current motor control apparatus |
DE2512529C3 (de) * | 1975-03-21 | 1979-05-03 | Brown, Boveri & Cie Ag, 6800 Mannheim | Im Hinblick auf eine Integration eines einstellbaren Widerstandes ausgebildeter elektrischer Drehschalter für gedruckte Schaltungen |
-
1978
- 1978-01-13 DE DE2801284A patent/DE2801284C2/de not_active Expired
- 1978-05-05 GB GB18043/78A patent/GB1604133A/en not_active Expired
- 1978-10-20 FR FR7830003A patent/FR2414785A1/fr active Granted
- 1978-12-27 US US05/973,676 patent/US4223256A/en not_active Expired - Lifetime
-
1979
- 1979-01-11 JP JP105679A patent/JPS5497785A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2414785A1 (fr) | 1979-08-10 |
US4223256A (en) | 1980-09-16 |
DE2801284A1 (de) | 1979-07-19 |
DE2801284C2 (de) | 1987-04-30 |
FR2414785B1 (US06623731-20030923-C00052.png) | 1983-05-06 |
JPS5497785A (en) | 1979-08-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
746 | Register noted 'licences of right' (sect. 46/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |