ES468430A1 - Perfeccionamientos en frenos de tambor para vehiculos auto- moviles. - Google Patents
Perfeccionamientos en frenos de tambor para vehiculos auto- moviles.Info
- Publication number
- ES468430A1 ES468430A1 ES468430A ES468430A ES468430A1 ES 468430 A1 ES468430 A1 ES 468430A1 ES 468430 A ES468430 A ES 468430A ES 468430 A ES468430 A ES 468430A ES 468430 A1 ES468430 A1 ES 468430A1
- Authority
- ES
- Spain
- Prior art keywords
- pair
- brake shoes
- hydraulic actuator
- brake
- pistons
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
- F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
- F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
- F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
- F16D51/24—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots fluid actuated
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
Perfeccionamientos en frenos de tambor para vehículos automóviles, del tipo comprenden, un par de zapatas del freno destinadas a ser empujadas contra un tambor rotatorio por un accionador hidráulico previsto entre los primeros extremos adyacentes de las zapatas, medios de anclaje situados entre los otros extremos de las zapatas, un primer dispositivo resiliente adyacente a los medios de anclaje que empuja a las zapatas del freno en contacto con los medios de anclaje, y un segundo dispositivo resiliente adyacente al accionador hidráulico, comprendiendo este último un par de pistones que se ponen en contacto con las zapatas respectivas del freno y un par de anillos de estanquidad que están en contacto de fricción con los pistones, caracterizados porque los anillos de estanquidad son deformables cuando los pistones mueven las zapatas del freno contra el tambor, creando el primer dispositivo resiliente y el segundo dispositivo resiliente momentos en las zapatas del freno respecto al dispositivo de anclaje, siendo el momento creado por el primer dispositivo resiliente mayor que el momento creado por el segundo dispositivo resiliente pero menor que la suma de los momentos creados por el segundo dispositivo resiliente y el contacto de fricción entre los pistones y los anillos de estanquidad para que los anillos de estanquidad puedan hacer retroceder a las zapatas del freno independientemente del primer y el segundo dispositivo resilientes.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/784,764 US4101010A (en) | 1977-04-05 | 1977-04-05 | Drum brake with automatic adjustment |
Publications (1)
Publication Number | Publication Date |
---|---|
ES468430A1 true ES468430A1 (es) | 1978-12-16 |
Family
ID=25133463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES468430A Expired ES468430A1 (es) | 1977-04-05 | 1978-03-31 | Perfeccionamientos en frenos de tambor para vehiculos auto- moviles. |
Country Status (12)
Country | Link |
---|---|
US (1) | US4101010A (es) |
JP (1) | JPS53123775A (es) |
AR (1) | AR214782A1 (es) |
AU (2) | AU3438078A (es) |
BR (1) | BR7802046A (es) |
CA (1) | CA1072460A (es) |
DE (1) | DE2813975A1 (es) |
ES (1) | ES468430A1 (es) |
FR (1) | FR2386734A1 (es) |
GB (1) | GB1580874A (es) |
IT (1) | IT1093510B (es) |
MX (1) | MX144983A (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2555270B1 (fr) * | 1983-11-21 | 1987-12-31 | Dba | Dispositif d'accrochage d'un element d'une entretoise comportant un dispositif de reglage automatique sur un segment de frein a tambour |
US5029676A (en) * | 1989-09-25 | 1991-07-09 | General Motors Corporation | Drum brake self-adjuster mechanism |
FR3057316B1 (fr) * | 2016-10-12 | 2018-12-07 | Foundation Brakes France | Frein a tambour integrant un segment comportant un levier d'actionnement de frein de stationnement ayant une portion de poussee centree |
KR20200099739A (ko) * | 2019-02-15 | 2020-08-25 | 주식회사 만도 | 차량용 드럼브레이크 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2345107A (en) * | 1939-11-24 | 1944-03-28 | Bendix Aviat Corp | Brake |
US2358740A (en) * | 1941-01-29 | 1944-09-19 | Rover Co Ltd | Hydraulic vehicle brake |
GB578038A (en) * | 1944-11-06 | 1946-06-12 | Automotive Prod Co Ltd | Improvements in or relating to adjusting means for brakes |
US3064767A (en) * | 1959-11-13 | 1962-11-20 | Bendix Corp | Brake actuator |
US3377076A (en) * | 1965-10-22 | 1968-04-09 | Bendix Corp | Return seal |
US3362507A (en) * | 1965-12-14 | 1968-01-09 | Ford Motor Co | Motor vehicle emergency brake mechanism |
FR1544028A (fr) * | 1967-08-07 | 1968-10-31 | Ferodo Sa | Perfectionnements aux freins à tambour, notamment pour véhicules automobiles |
US3722635A (en) * | 1970-02-02 | 1973-03-27 | Aisin Seiki | Automotive wheel brake mechanism fitted with automatic brake gap adjuster |
GB1419115A (en) * | 1972-03-23 | 1975-12-24 | Girling Ltd | Shoe drum brakes provided with automatic adjusters |
-
1977
- 1977-04-05 US US05/784,764 patent/US4101010A/en not_active Expired - Lifetime
-
1978
- 1978-02-13 CA CA296,813A patent/CA1072460A/en not_active Expired
- 1978-03-21 AU AU34380/78A patent/AU3438078A/en active Pending
- 1978-03-21 AU AU34380/78A patent/AU518089B2/en not_active Expired
- 1978-03-28 GB GB12078/78A patent/GB1580874A/en not_active Expired
- 1978-03-31 MX MX172948A patent/MX144983A/es unknown
- 1978-03-31 ES ES468430A patent/ES468430A1/es not_active Expired
- 1978-03-31 DE DE19782813975 patent/DE2813975A1/de not_active Withdrawn
- 1978-03-31 IT IT21827/78A patent/IT1093510B/it active
- 1978-04-03 BR BR7802046A patent/BR7802046A/pt unknown
- 1978-04-04 AR AR271685A patent/AR214782A1/es active
- 1978-04-04 FR FR7809891A patent/FR2386734A1/fr active Granted
- 1978-04-05 JP JP3928978A patent/JPS53123775A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPS53123775A (en) | 1978-10-28 |
IT7821827A0 (it) | 1978-03-31 |
CA1072460A (en) | 1980-02-26 |
US4101010A (en) | 1978-07-18 |
AR214782A1 (es) | 1979-07-31 |
FR2386734B1 (es) | 1980-12-19 |
GB1580874A (en) | 1980-12-10 |
FR2386734A1 (fr) | 1978-11-03 |
BR7802046A (pt) | 1978-11-21 |
AU3438078A (en) | 1979-09-27 |
AU518089B2 (en) | 1981-09-10 |
MX144983A (es) | 1981-12-09 |
IT1093510B (it) | 1985-07-19 |
DE2813975A1 (de) | 1978-10-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19841121 |