DK166580A - SUPPORT DEVICE FOR A DRUM BRAKE - Google Patents
SUPPORT DEVICE FOR A DRUM BRAKEInfo
- Publication number
- DK166580A DK166580A DK166580A DK166580A DK166580A DK 166580 A DK166580 A DK 166580A DK 166580 A DK166580 A DK 166580A DK 166580 A DK166580 A DK 166580A DK 166580 A DK166580 A DK 166580A
- Authority
- DK
- Denmark
- Prior art keywords
- angle
- brake
- webs
- slotted link
- support
- Prior art date
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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
- B60T7/20—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer
- B60T7/203—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer with automatic brake release or reduction in case of reverse travel, e.g. by means of mechanisms mounted on the draw bar
- B60T7/206—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger specially for trailers, e.g. in case of uncoupling of or overrunning by trailer with automatic brake release or reduction in case of reverse travel, e.g. by means of mechanisms mounted on the draw bar by means of mechanisms mounted on trailer drum brakes
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
1. Support device for the two ends of the opposed webs (13, 14) of the brake shoes (B1, B2) of a drum brake for vehicle trailers with overrun brakes which are spaced from a floating actuating device (3), with a support bearing movably mounted on a brake plate (8) in the form of a pin (11) and an associated slotted link (10) which extends at an acute angle between the centre of the actuating device (3) and the support bearing, which during forwards motion provides a strong support for the primary shoe (B1) and during reverse motion and braking withdraws to the end of the primary shoe against the action of a spring (12), the spacing between the ends of the brake shoes being then reduced to such an extent that expansion with respect to the brake drum (1) hardly occurs characterized in that the slotted link angle (alpha) is inclined at between 25 and 65 degrees, and the ends of the webs (13, 14) are formed as inclined surfaces (15, 16) which define an acute angle (beta) of between 20 and 60 degrees which is smaller than the slotted link angle (alpha) and is divided a symmetrically about the two webs (13, 14), the web angle (B1) on the primary shoe side being greater than the web angle (B2) on the secondary shoe side.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2915772A DE2915772C2 (en) | 1979-04-19 | 1979-04-19 | Support device for a drum brake |
Publications (1)
Publication Number | Publication Date |
---|---|
DK166580A true DK166580A (en) | 1980-10-20 |
Family
ID=6068687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK166580A DK166580A (en) | 1979-04-19 | 1980-04-18 | SUPPORT DEVICE FOR A DRUM BRAKE |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0017762B1 (en) |
AT (1) | ATE4608T1 (en) |
DE (1) | DE2915772C2 (en) |
DK (1) | DK166580A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3218701C1 (en) * | 1982-05-18 | 1983-10-20 | Eisenwerk Grümer GmbH & Co KG, 5276 Wiehl | Internal-shoe drum brake for motor-vehicle trailers with overrun braking |
AT388036B (en) * | 1984-10-12 | 1989-04-25 | Rinner Josef Achsenfab | DRUM BRAKE |
GB2188110B (en) * | 1986-03-18 | 1989-12-06 | Graves John Michael | A collapsing mechanism for a reversing drum brake |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7402538U (en) * | 1975-05-15 | Peitz J | Inner shoe wheel brake for vehicle trailers with overrun and hand brake device | |
DE7325794U (en) * | 1974-07-18 | Kotz F & Soehne | Drum brake in simplex design for trailers | |
DE970819C (en) * | 1951-12-07 | 1958-10-30 | Bergische Achsen Kotz Soehne | Shoe brake for vehicles, in particular for motor vehicles |
DE2161559B2 (en) * | 1971-12-11 | 1976-06-10 | Hahn Fahrzeugbau Gmbh, 7012 Fellbach | SUPPORT DEVICE IN AN INNER SHOE BRAKE |
GB1493831A (en) * | 1974-02-28 | 1977-11-30 | Chouings L | Brakes |
-
1979
- 1979-04-19 DE DE2915772A patent/DE2915772C2/en not_active Expired
-
1980
- 1980-03-13 AT AT80101321T patent/ATE4608T1/en not_active IP Right Cessation
- 1980-03-13 EP EP80101321A patent/EP0017762B1/en not_active Expired
- 1980-04-18 DK DK166580A patent/DK166580A/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE4608T1 (en) | 1983-09-15 |
EP0017762B1 (en) | 1983-09-07 |
DE2915772A1 (en) | 1980-10-23 |
DE2915772C2 (en) | 1983-01-27 |
EP0017762A1 (en) | 1980-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AHB | Application shelved due to non-payment | ||
B1 | Patent granted (law 1993) | ||
PBP | Patent lapsed |