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GB365069A - Improvements in control gear for hydraulically operated devices and particularly brakes for vehicles - Google Patents

Improvements in control gear for hydraulically operated devices and particularly brakes for vehicles

Info

Publication number
GB365069A
GB365069A GB2993730A GB2993730A GB365069A GB 365069 A GB365069 A GB 365069A GB 2993730 A GB2993730 A GB 2993730A GB 2993730 A GB2993730 A GB 2993730A GB 365069 A GB365069 A GB 365069A
Authority
GB
United Kingdom
Prior art keywords
piston
cylinder
brake shoes
spring
brakes
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
GB2993730A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2993730A priority Critical patent/GB365069A/en
Publication of GB365069A publication Critical patent/GB365069A/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
    • 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
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum 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
    • F16D65/72—Slack adjusters hydraulic
    • F16D65/74—Slack adjusters hydraulic self-acting in one direction

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

365,069. Hydraulic transmission brakes. RUBURY, J. M., Park Hall, Bradwell, Braintree, Essex. Oct. 6, 1930, No. 29937. [Class 103 (i).] Hydraulic m echanism comprises a mechanically operated piston in a cylinder in communication with a liquid tank a second piston in a cylinder, and communicating with the first piston, a definite pressure non-return device in a duct between the spaces on each side of the second piston and a hydraulic device operating the brakes. The piston d is adapted to be moved by the pedal f to cover an inlet c communicating with the liquid tank b and moves the piston h by means of a spring e to force fluid to the brakes through pipes k. At the moment when the brake shoes engage the drum the piston h is arranged to engage a stop l and any further movement of the pedal f moves the piston d alone forcing liquid past the spring-pressed valve j which recloses when liquid ceases to. flow. Wear of the' brake shoes is thus compensated. In Fig. 3 the pistons d, h are contained in separate cylinders a, a<1>and the spring e for returning the piston d rests against the bottom of the cylinder a and the return of the piston h is limited by an adjustable stop p. A fluid exhaust relief valve o is provided in a passage n communicating between the reverse side of each piston. The cylinder a<1> and piston h can be arranged as a separate unit and is also shown as part of a cylinder containing two pistons operating brake shoes in a drum. Equalizing mechanism for operating brake shoes comprises bell-crank levers w mounted on the brake anchor plate and having one arm pivotally connected to the brake shoes and the other engaging a spring plunger x. The usual retracting spring v is provided. An operating mechanism for a brake shoe comprises a piston r fixedly mounted at the end of the pipe line k and on which slides the cylinder s which has inclined planes s<1> coacting with rollers y on the brake shoes. The cylinder is guided by guides z mounted on the anchor plate.
GB2993730A 1930-10-06 1930-10-06 Improvements in control gear for hydraulically operated devices and particularly brakes for vehicles Expired GB365069A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2993730A GB365069A (en) 1930-10-06 1930-10-06 Improvements in control gear for hydraulically operated devices and particularly brakes for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2993730A GB365069A (en) 1930-10-06 1930-10-06 Improvements in control gear for hydraulically operated devices and particularly brakes for vehicles

Publications (1)

Publication Number Publication Date
GB365069A true GB365069A (en) 1932-01-06

Family

ID=10299632

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2993730A Expired GB365069A (en) 1930-10-06 1930-10-06 Improvements in control gear for hydraulically operated devices and particularly brakes for vehicles

Country Status (1)

Country Link
GB (1) GB365069A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2485032A (en) * 1948-08-17 1949-10-18 Bryant Orby Brake apparatus
US2503488A (en) * 1947-06-06 1950-04-11 Robert F Huffman Hydraulic brake adjusting and regulating means
US2588955A (en) * 1947-05-13 1952-03-11 Alfred A Dorman Hydraulic brake adjuster
US2591793A (en) * 1945-11-28 1952-04-08 Dubois Maurice Odile Device for adjusting the return travel of fluid actuated means
US2593192A (en) * 1945-10-06 1952-04-15 Borg Warner Accessory hydraulic adjuster
US2649692A (en) * 1950-01-09 1953-08-25 Stelzer William Master cylinder for hydraulic braking systems
DE765022C (en) * 1941-12-16 1953-12-21 Teves Kg Alfred Brake arrangement for trams, especially for sidecars
US2682149A (en) * 1950-05-16 1954-06-29 Schwenk Kurt Hydraulic master cylinder
FR2330572A1 (en) * 1974-06-17 1977-06-03 Gen Signal Corp BRAKING SYSTEM FOR A VEHICLE ON LIGHT RAIL

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765022C (en) * 1941-12-16 1953-12-21 Teves Kg Alfred Brake arrangement for trams, especially for sidecars
US2593192A (en) * 1945-10-06 1952-04-15 Borg Warner Accessory hydraulic adjuster
US2591793A (en) * 1945-11-28 1952-04-08 Dubois Maurice Odile Device for adjusting the return travel of fluid actuated means
US2588955A (en) * 1947-05-13 1952-03-11 Alfred A Dorman Hydraulic brake adjuster
US2503488A (en) * 1947-06-06 1950-04-11 Robert F Huffman Hydraulic brake adjusting and regulating means
US2485032A (en) * 1948-08-17 1949-10-18 Bryant Orby Brake apparatus
US2649692A (en) * 1950-01-09 1953-08-25 Stelzer William Master cylinder for hydraulic braking systems
US2682149A (en) * 1950-05-16 1954-06-29 Schwenk Kurt Hydraulic master cylinder
FR2330572A1 (en) * 1974-06-17 1977-06-03 Gen Signal Corp BRAKING SYSTEM FOR A VEHICLE ON LIGHT RAIL

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