GB1494961A - Disc brake actuator device - Google Patents

Disc brake actuator device

Info

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
Application number
GB8688/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KNORR BREMSE GmbH
Original Assignee
KNORR BREMSE GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KNORR BREMSE GmbH filed Critical KNORR BREMSE GmbH
Publication of GB1494961A publication Critical patent/GB1494961A/en
Expired legal-status Critical Current

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.
GB8688/75A 1974-03-01 1975-03-03 Disc brake actuator device Expired GB1494961A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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
SE7501621L (en) 1975-09-02
HU172389B (en) 1978-08-28
NO137972C (en) 1978-05-31
NO750617L (en) 1975-09-02
IT1029665B (en) 1979-03-20
DE2409812C2 (en) 1983-08-11
CH584366A5 (en) 1977-01-31
DE2409812A1 (en) 1975-09-04
NO137972B (en) 1978-02-20

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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