To provide a drum brake device having a parking brake mechanism which can improve the durability of a transmission member for transmitting power to an expansion mechanism, can reduce a loss of a drag force, and can save a space.SOLUTION: A drum brake device 13 having a parking brake mechanism 11 comprises: first and second brake shoes 27, 29 which are expansively arranged on a face parallel with the packing plate 15; an expansion mechanism 41 for expanding the first and second brake shoes 27, 29 by the thrust of an operation lever 53; an intermediate lever 85 whose both end parts are arranged inside and outside the packing plate 15, and which is supported to the packing plate 15 so as to be turnable; a cable 61 extending to the inside of the packing plate 15, and connected to one end part 89 of the intermediate lever 85; and a spindle 25 extending to the outside of the packing plate 15, and connected to the other end part 91 of the intermediate lever 85.SELECTED DRAWING: Figure 8

    【課題】拡開機構へ動力を伝達する伝達部材の耐久性向上と引き力ロスの低減、及び省スペース化が可能となるパーキングブレーキ機構を有するドラムブレーキ装置を提供する。【解決手段】パーキングブレーキ機構11を有するドラムブレーキ装置13は、バッキングプレート15と平行な面上で拡開可能に配設された第1及び第2ブレーキシュー27,29と、作動レバー53の推力により第1及び第2ブレーキシュー27,29を拡開させる拡開機構41と、両端部がバッキングプレート15の内側と外側にそれぞれ配置され、バッキングプレート15に対して回動自在に支持された中間レバー85と、バッキングプレート15の内側に延びる中間レバー85の一端部89に連結されたケーブル61と、バッキングプレート15の外側に延びる中間レバー85の他端部91に連結されたスピンドル25と、を備える。【選択図】図8


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    Title :

    DRUM BRAKE DEVICE HAVING PARKING BRAKE MECHANISM


    Additional title:

    パーキングブレーキ機構を有するドラムブレーキ装置


    Contributors:

    Publication date :

    2019-08-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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