JPH0236636U

JPH0236636U -

Info

Publication number: JPH0236636U
Application number: JP11463588U
Authority: JP
Priority date: 1988-08-31
Filing date: 1988-08-31
Publication date: 1990-03-09

Description

[Brief explanation of drawings]

第１図は第２図のドラムブレーキの−視断
面の要部を拡大して示す図である。第２図は本考
案が適用されたドラムブレーキの要部を示す正面
図である。第３図は第２図のドラムブレーキの要
部拡大図であつて、ブレーキシユー等を除去して
示す図である。第４図は従来のドラムブレーキの
要部を示す断面図であつて、第１図に対応する図
である。１０：バツキングプレート、１１：一面、１２
：ブレーキシユー（他方のブレーキシユー）、１
４：ブレーキシユー（一方のブレーキシユー）、
４３：当接部（第二当接部）、４４：ベルクラン
ク、４５：長手状部、５０：パーキングケーブル
、５４：移動部材、５５：当接部（第一当接部）
。 FIG. 1 is an enlarged view of a main part of the drum brake shown in FIG. 2 in a cross-section seen from above. FIG. 2 is a front view showing the main parts of a drum brake to which the present invention is applied. FIG. 3 is an enlarged view of the main parts of the drum brake shown in FIG. 2, with the brake shoe and the like removed. FIG. 4 is a sectional view showing essential parts of a conventional drum brake, and corresponds to FIG. 1. 10: Bucking plate, 11: One side, 12
: Brake shoe (other brake shoe), 1
4: Brake shoe (one brake shoe),
43: Contact part (second contact part), 44: Bell crank, 45: Longitudinal part, 50: Parking cable, 54: Moving member, 55: Contact part (first contact part)
.

Claims

[Claims for Utility Model Registration] A pair of brake shoes disposed on one surface of a bucking plate, and an anchor pin fixed on the bucking plate and with which one opposing end of the brake shoes is brought into contact. A drum brake of the type in which the pair of brake shoes are each pushed toward the outer circumferential side of the bucking plate by a parking brake operating force transmitted via a parking cable, wherein the pair of brake shoes a first abutting portion positioned between the one end of the bucking plate and the one end of the brake shoe; a moving member guided in a direction perpendicular to a straight line connecting the center of the anchor pin and the anchor pin; and a moving member positioned between one end of the pair of brake shoes and brought into contact with the other end of the brake shoe. a second abutting portion; a second abutting portion protruding from an end of the second abutting portion on the bucking plate side to a side opposite to the movable member side and located between the bucking plate and the other brake shoe; a bellcrank having a projecting end to which the parking cable is connected and an elongate portion operatively connected to the movable member on a side opposite to the projecting end. drum brake.