GB1494961A - Disc brake actuator device - Google Patents
Disc brake actuator deviceInfo
- Publication number
- GB1494961A GB1494961A GB8688/75A GB868875A GB1494961A GB 1494961 A GB1494961 A GB 1494961A GB 8688/75 A GB8688/75 A GB 8688/75A GB 868875 A GB868875 A GB 868875A GB 1494961 A GB1494961 A GB 1494961A
- Authority
- GB
- United Kingdom
- Prior art keywords
- piston
- fluid pressure
- brake
- spindle
- mechanical
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
- F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
- F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
-
- 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
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc 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
- F16D65/00—Parts or details
- F16D65/38—Slack adjusters
- F16D65/40—Slack adjusters mechanical
- F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
- F16D65/56—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
- F16D65/567—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting on a disc brake
- F16D65/568—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting on a disc brake for synchronous adjustment of actuators arranged in parallel
-
- 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
- F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
- F16D2055/0075—Constructional features of axially engaged brakes
- F16D2055/0091—Plural actuators arranged side by side on the same side of the rotor
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
-
- 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
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
-
- 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
- F16D2123/00—Multiple operation forces
-
- 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
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
- F16D2125/40—Screw-and-nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
1494961 Spot-type disc brakes KNORR BREMSE GmbH 3 March 1975 [1 March 1974] 8688/75 Heading F2E A disc brake actuator device operable by fluid pressure and mechanically comprises a saddle 2 for brake linings 5, 6, a brake cylinder 7 secured to the saddle and adapted to receive fluid pressure medium at 44, a first piston 9 for driving engagement with brake lining 6, a second brake piston 24 exposed to fluid pressure in the opposite direction to that exerted on the first piston, the second piston being engageable, under fluid pressure action, with the cylinder 7 to apply a force thereto to move the saddle 2 for application of lining 5, and mechanical displacement apparatus 37 to 39 movable in a brake-actuating mode towards engagement with the second piston 24 for coupling with the first piston 9 to operate the actuator device mechanically, the engagement and coupling of the mechanical displacement apparatus with the pistons being such that in the event of operation of the device by both fluid pressure and mechanically, the mechanical apparatus is effective exclusively when the mechanical force on the second piston exceeds the opposing fluid pressure thereon, and vice versa. The lower piston and cylinder in the figure constitute an auxiliary fluid-pressure-only apparatus. As shown, the mechanical apparatus comprises a lever 39 integral with a tubular element 37 threaded into an extension 35 of the cylinder 7, and a normally-non-rotatable spindle 16 extends from piston 24 and has a reversible screw-thread connection with a nut 18 resiliently connected to piston 9 for wear-adjustment. After withdrawal of a screw 31 the spindle may be rotated to reset the adjuster by a screwdriver inserted in slot 28 of an extension 26. An axial clearance s between the threads of spindle 16 and nut 18 corresponds to the desired displacement stroke for maximum braking. In Fig. 2 (not shown), projection 26 of spindle 16 extends rightwards beyond the end of piston 24, hole 41 is smaller in diameter than the projection end, and the first turns of the mechanical apparatus act on spindle 16 (and thus on piston 9 directly) before piston 24 is engaged.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2409812A DE2409812C2 (en) | 1974-03-01 | 1974-03-01 | Disc brakes, in particular for motor vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1494961A true GB1494961A (en) | 1977-12-14 |
Family
ID=5908809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8688/75A Expired GB1494961A (en) | 1974-03-01 | 1975-03-03 | Disc brake actuator device |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH584366A5 (en) |
DE (1) | DE2409812C2 (en) |
GB (1) | GB1494961A (en) |
HU (1) | HU172389B (en) |
IT (1) | IT1029665B (en) |
NO (1) | NO137972C (en) |
SE (1) | SE7501621L (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0210749A1 (en) * | 1985-07-03 | 1987-02-04 | Automotive Products Public Limited Company | Brake actuators |
US5379867A (en) * | 1992-05-08 | 1995-01-10 | Deutsche Perrot-Bremse Gmbh | Re-adjusting mechanism for a disc brake |
EP1596091A1 (en) * | 2004-05-14 | 2005-11-16 | Meritor Heavy Vehicle Braking Systems (UK) Limited | A manual brake application assembly |
CN111623058A (en) * | 2019-02-28 | 2020-09-04 | 丰田自动车株式会社 | Disc brake |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2800300C2 (en) * | 1978-01-04 | 1984-10-18 | Deutsche Perrot-Bremse Gmbh, 6800 Mannheim | Fixed-calliper disc brake |
US4406352A (en) * | 1980-12-01 | 1983-09-27 | Rockwell International Corporation | Disc brake actuator |
GB2097494A (en) * | 1981-04-29 | 1982-11-03 | Gen Motors France | Disc brake assembly |
DE4034165A1 (en) * | 1990-06-07 | 1991-12-12 | Knorr Bremse Ag | DISC BRAKE FOR VEHICLES |
DE4307017C2 (en) * | 1992-05-08 | 2002-03-07 | Perrot Bremse Gmbh Deutsche | Adjustment device for a disc brake |
DE10342281B4 (en) * | 2002-09-23 | 2006-09-07 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Pneumatically operated disc brake with adjustment device |
DE202013009442U1 (en) * | 2013-10-24 | 2014-04-10 | Knott Gmbh | Wear adjusting device for disc brakes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1480289A1 (en) * | 1964-09-07 | 1969-05-29 | Teves Gmbh Alfred | Hydraulic disc brake |
GB1194844A (en) * | 1966-10-01 | 1970-06-10 | Girling Ltd | Improvements in Brakes |
DE1941080A1 (en) * | 1969-08-12 | 1971-02-25 | Knorr Bremse Gmbh | Brake cylinder that can be acted upon by pressure medium, in particular for hydraulically operated pad or disc brakes on rail vehicles |
US3688875A (en) * | 1971-04-07 | 1972-09-05 | Gen Motors Corp | Disc brake caliper with integral parking brake |
-
1974
- 1974-03-01 DE DE2409812A patent/DE2409812C2/en not_active Expired
-
1975
- 1975-01-23 CH CH78575A patent/CH584366A5/xx not_active IP Right Cessation
- 1975-02-07 IT IT7548075A patent/IT1029665B/en active
- 1975-02-13 SE SE7501621A patent/SE7501621L/xx unknown
- 1975-02-24 NO NO750617A patent/NO137972C/en unknown
- 1975-02-28 HU HU75KO00002703A patent/HU172389B/en unknown
- 1975-03-03 GB GB8688/75A patent/GB1494961A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0210749A1 (en) * | 1985-07-03 | 1987-02-04 | Automotive Products Public Limited Company | Brake actuators |
US5379867A (en) * | 1992-05-08 | 1995-01-10 | Deutsche Perrot-Bremse Gmbh | Re-adjusting mechanism for a disc brake |
EP1596091A1 (en) * | 2004-05-14 | 2005-11-16 | Meritor Heavy Vehicle Braking Systems (UK) Limited | A manual brake application assembly |
CN111623058A (en) * | 2019-02-28 | 2020-09-04 | 丰田自动车株式会社 | Disc brake |
CN111623058B (en) * | 2019-02-28 | 2021-09-17 | 丰田自动车株式会社 | Disc brake |
Also Published As
Publication number | Publication date |
---|---|
DE2409812C2 (en) | 1983-08-11 |
SE7501621L (en) | 1975-09-02 |
IT1029665B (en) | 1979-03-20 |
NO137972B (en) | 1978-02-20 |
HU172389B (en) | 1978-08-28 |
NO137972C (en) | 1978-05-31 |
NO750617L (en) | 1975-09-02 |
CH584366A5 (en) | 1977-01-31 |
DE2409812A1 (en) | 1975-09-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |