GB1394069A - Spring brake actuators - Google Patents
Spring brake actuatorsInfo
- Publication number
- GB1394069A GB1394069A GB2235972A GB2235972A GB1394069A GB 1394069 A GB1394069 A GB 1394069A GB 2235972 A GB2235972 A GB 2235972A GB 2235972 A GB2235972 A GB 2235972A GB 1394069 A GB1394069 A GB 1394069A
- Authority
- GB
- United Kingdom
- Prior art keywords
- spring
- sleeve
- ring
- abutting
- pressing
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/08—Brake cylinders other than ultimate actuators
- B60T17/083—Combination of service brake actuators with spring loaded brake actuators
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
1394069 Spring applied brake actuators CLAYTON DEWANDRE CO Ltd 2 May 1973 [12 May 1972] 22359/72 Heading F2F In a brake actuator having a piston structure actuated by a spring 15 to operate brakes, the spring acts through an annular thrust plate 16 and a bearing ring 17 of curved profile engaging a complementary surface on the structure so that spring thrust misalignment can be accommodated. The plate 16 has an angled surface 16a abutting the ring 17 of anti-friction material, which in turn abuts a sleeve 18 of the structure which comprises a dished pressing 2 or the ring 17 directly abuts the pressing. The actuator is combined with a compressed air actuated diaphragm 8, a rod 3 controlled by the piston 2 abutting the diaphragm in the rest position via a thrust plate or washer 11. For release of brakes if the air supply has failed a bolt 26 is turned to axially move a multi-armed spider 27 as shown, or a strap, engaging a radial abutment flange 18a of the sleeve 18 to retract the structure. During spring actuation, H-section guides 28 on the sleeve 18 slide relatively to the arms of the spider 27.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2235972A GB1394069A (en) | 1972-05-12 | 1972-05-12 | Spring brake actuators |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2235972A GB1394069A (en) | 1972-05-12 | 1972-05-12 | Spring brake actuators |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1394069A true GB1394069A (en) | 1975-05-14 |
Family
ID=10178112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2235972A Expired GB1394069A (en) | 1972-05-12 | 1972-05-12 | Spring brake actuators |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1394069A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0009961A1 (en) * | 1978-10-02 | 1980-04-16 | The Echlin Manufacturing Company | Actuator for use in a braking system |
FR2439907A1 (en) * | 1978-10-25 | 1980-05-23 | Caterpillar Tractor Co | MANUAL RELEASE SYSTEM FOR SPRING TIGHTENED BRAKE ASSEMBLY AND RELEASED BY PRESSURE FLUID |
GB2141176A (en) * | 1983-05-31 | 1984-12-12 | Bendix Ltd | Spring force applying tensional force actuators |
FR2559225A1 (en) * | 1984-02-06 | 1985-08-09 | Bosch Gmbh Robert | Combined brake cylinder and hold-off cylinder |
WO1996015014A2 (en) * | 1994-11-04 | 1996-05-23 | Indian Head Industries, Inc. | Standard brake actuator service chamber and method of making same |
-
1972
- 1972-05-12 GB GB2235972A patent/GB1394069A/en not_active Expired
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0009961A1 (en) * | 1978-10-02 | 1980-04-16 | The Echlin Manufacturing Company | Actuator for use in a braking system |
FR2439907A1 (en) * | 1978-10-25 | 1980-05-23 | Caterpillar Tractor Co | MANUAL RELEASE SYSTEM FOR SPRING TIGHTENED BRAKE ASSEMBLY AND RELEASED BY PRESSURE FLUID |
US4245724A (en) * | 1978-10-25 | 1981-01-20 | Caterpillar Tractor Co. | Manual release for a spring applied brake assembly |
GB2141176A (en) * | 1983-05-31 | 1984-12-12 | Bendix Ltd | Spring force applying tensional force actuators |
FR2559225A1 (en) * | 1984-02-06 | 1985-08-09 | Bosch Gmbh Robert | Combined brake cylinder and hold-off cylinder |
WO1996015014A2 (en) * | 1994-11-04 | 1996-05-23 | Indian Head Industries, Inc. | Standard brake actuator service chamber and method of making same |
WO1996015014A3 (en) * | 1994-11-04 | 1996-08-08 | Indian Head Inc | Standard brake actuator service chamber and method of making same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |