GB742926A - Improvements in or relating to electric contactors - Google Patents
Improvements in or relating to electric contactorsInfo
- Publication number
- GB742926A GB742926A GB1425252A GB1425252A GB742926A GB 742926 A GB742926 A GB 742926A GB 1425252 A GB1425252 A GB 1425252A GB 1425252 A GB1425252 A GB 1425252A GB 742926 A GB742926 A GB 742926A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plunger
- container
- bore
- june
- plug
- 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
- H01H3/60—Mechanical arrangements for preventing or damping vibration or shock
- H01H3/605—Mechanical arrangements for preventing or damping vibration or shock making use of a fluid damper
Landscapes
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
742,926. Dashpots. GENERAL ELECTRIC CO., Ltd., and LONDON, C. A. June 5, 1953 [June 2, 1952], No. 14252/52. Class 108 (3). [Also in Group XXXVII] A dashpot comprises an oil-filled container 20 which is adjustably mounted by a threaded spigot 21, the top of the container being closed by a member 22 having a bore 24 slidably receiving the plunger 19. A spring 28 acts between the enlarged plunger end 25 and a plug 26 closing the end of the bore 24, a ball 30 normally closing a hole 29 in the plug. A passage 31 leads from the bore 24 to an adjustable needle valve 32 and is then vented into the container 20 through a port 36. A passage 37 ensures that any oil which rises above the plunger end 25 flows back into the container when the plunger is returned by the spring 28. Downward movement of the plunger 19 is thus controlled by the needle valve 32, the upward movement being free due to the ball valve 30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1425252A GB742926A (en) | 1952-06-02 | 1952-06-02 | Improvements in or relating to electric contactors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1425252A GB742926A (en) | 1952-06-02 | 1952-06-02 | Improvements in or relating to electric contactors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB742926A true GB742926A (en) | 1956-01-04 |
Family
ID=10037783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1425252A Expired GB742926A (en) | 1952-06-02 | 1952-06-02 | Improvements in or relating to electric contactors |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB742926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213906A (en) * | 1988-01-15 | 1989-08-23 | Festo Kg | A pneumatic damping device |
-
1952
- 1952-06-02 GB GB1425252A patent/GB742926A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2213906A (en) * | 1988-01-15 | 1989-08-23 | Festo Kg | A pneumatic damping device |
| GB2213906B (en) * | 1988-01-15 | 1991-10-16 | Festo Kg | A pneumatic damping device |
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