GB430072A - Improvements in brakes - Google Patents

Improvements in brakes

Info

Publication number
GB430072A
GB430072A GB941735A GB941735A GB430072A GB 430072 A GB430072 A GB 430072A GB 941735 A GB941735 A GB 941735A GB 941735 A GB941735 A GB 941735A GB 430072 A GB430072 A GB 430072A
Authority
GB
United Kingdom
Prior art keywords
lever
pivoted
shoe
pawl
link
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
GB941735A
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.)
Bendix Aviation Corp
Original Assignee
Bendix Aviation Corp
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 Bendix Aviation Corp filed Critical Bendix Aviation Corp
Priority to GB941735A priority Critical patent/GB430072A/en
Publication of GB430072A publication Critical patent/GB430072A/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
    • F16D65/38—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
    • F16D65/561—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake
    • F16D65/562—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake arranged between service brake actuator and braking member, and subjected to service brake force
    • 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
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/68—Lever-link mechanisms, e.g. toggles with change of force ratio

Landscapes

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

Abstract

430,072. Brakes. BARKER, G. G., 14, High Holborn, London.-(Bendix Aviation Corporation; 105, West Adams Street, Chicago, U.S.A.) Dec. 9, 1933, No. 9417/35. Divided application of which a Specification was laid open to inspection under Sect. 91 of the Acts, Aug. 21, 1934. [Class 103 (i)] In brakes having automatic-adjustment means to compensate for wear, thermoresponsive means adapted to render the adjustment means inoperative are provided so that the adjustment is not affected by variation of the dimensions of the drum or other parts by heating. The brake shown comprises a pair of shoes 20, 22 articulated at 24 and adapted to anchor on one or other of two adjustable eccentric pins 94 according to the direction of rotation of the drum, the pins engaging slotted links 90, 92 pivoted to the shoes. The operating means for the. shoes comprises a lever 104 pivoted to the shoe 22 at 110 and connected to a cable 1041 and by an adjustable link 100 to the other shoe. The link comprises screened parts 100, 102, the part 102 carrying a ratchet wheel 120 engaged by a pawl 118 pivoted at 116 and urged into contact by a spring with one arm of a cranked lever 122 mounted on the pivot 116. A link 108 pivoted at 110 to the shoe 22 has a slotted connection with the lever 122 so that if in an application of the brake the movement of the shoe exceeds a predetermined amount the pawl slips a tooth of the ratchet wheel which is thus turned during the release movement to extend the link 100, 102. The movement of the pawl is limited by stops 124<1> to that corresponding to a single tooth of the ratchet. The thermoresponsive device comprises a thermostatic bar 126, Fig. 3 secured at one end to a bracket 128 fixed to the anchor plate 11 and engaging at its other end a lever 130 embracing the pawl 118 which is thus disengaged from the ratchet 120 when the temperature reaches a predetermined degree. The bar 126 may instead bear at its inner end on the plate 11 and on a lever at its outer end.
GB941735A 1933-12-09 1933-12-09 Improvements in brakes Expired GB430072A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB941735A GB430072A (en) 1933-12-09 1933-12-09 Improvements in brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB941735A GB430072A (en) 1933-12-09 1933-12-09 Improvements in brakes

Publications (1)

Publication Number Publication Date
GB430072A true GB430072A (en) 1935-06-11

Family

ID=9871561

Family Applications (1)

Application Number Title Priority Date Filing Date
GB941735A Expired GB430072A (en) 1933-12-09 1933-12-09 Improvements in brakes

Country Status (1)

Country Link
GB (1) GB430072A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457416A1 (en) * 1979-05-21 1980-12-19 Lucas Industries Ltd IMPROVEMENTS ON DEVICES FOR AUTOMATIC ADJUSTMENT OF DRUM BRAKES
FR2457460A1 (en) * 1979-05-22 1980-12-19 Medvedev Alexandr Protective screen for electric heaters in crucible melting furnace - to prevent molten metal from reaching the heaters if the crucible fractures(FI 30.1.81)
GB2210121A (en) * 1987-09-21 1989-06-01 Automotive Products Plc Automatic adjuster for drum brakes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457416A1 (en) * 1979-05-21 1980-12-19 Lucas Industries Ltd IMPROVEMENTS ON DEVICES FOR AUTOMATIC ADJUSTMENT OF DRUM BRAKES
FR2457460A1 (en) * 1979-05-22 1980-12-19 Medvedev Alexandr Protective screen for electric heaters in crucible melting furnace - to prevent molten metal from reaching the heaters if the crucible fractures(FI 30.1.81)
GB2210121A (en) * 1987-09-21 1989-06-01 Automotive Products Plc Automatic adjuster for drum brakes
GB2210121B (en) * 1987-09-21 1991-10-16 Automotive Products Plc Drum brakes

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