JPS63180738U

JPS63180738U -

Info

Publication number: JPS63180738U
Application number: JP7195387U
Authority: JP
Priority date: 1987-05-14
Filing date: 1987-05-14
Publication date: 1988-11-22
Anticipated expiration: 2002-05-14
Also published as: JPH0638189Y2

Description

[Brief explanation of the drawing]

第１図は第２図の−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デ
ユオサーボ型ドラムブレーキの要部を示す正面図
である。第３図乃至第５図は本考案の他の例をそ
れぞれ示す図であつて、要部を示す図である。第
６図は従来のデユオサーボ型ドラムブレーキの要
部を示す図であつて、第１図に相当する図である
。１０：バツキングプレート、１２，１４：ブレ
ーキシユー、２０：アジヤスタ（連結機構）、２
２：アンカピン（アンカ部材）、３６：掛止部材
、３８：引張りコイルスプリング、４２：フツク
、４４：直接部、４６：回曲部、４８：対向部、
５２：係合穴、５４：係合部。 FIG. 1 is an enlarged view showing a main part of a cross section taken along the line (-) in FIG. 2. FIG. FIG. 2 is a front view showing the main parts of a dual-servo type drum brake to which the present invention is applied. FIGS. 3 to 5 are views showing other examples of the present invention, and are views showing essential parts. FIG. 6 is a diagram showing the main parts of a conventional dual-servo type drum brake, and corresponds to FIG. 1. 10: Bucking plate, 12, 14: Brake shoe, 20: Adjuster (connection mechanism), 2
2: anchor pin (anchor member), 36: hanging member, 38: tension coil spring, 42: hook, 44: direct part, 46: curved part, 48: opposing part,
52: Engagement hole, 54: Engagement portion.

Claims

[Claims for Utility Model Registration] (1) A pair of brake shoes disposed on a bucking plate so as to be able to expand with respect to each other, and a connecting mechanism that connects each opposing end of the brake shoes; an anchor member fixed on the bucking plate and receiving the braking torque transmitted to the brake shoe when the other end of the brake shoe is brought into contact with the anchor member; It has a substantially U-shaped hook at one end consisting of a curved part and an opposing part extending from the tip of the curved part and facing the straight part, and the hook is attached to a plate-shaped hook provided on the backing plate. a tension coil that is hooked to a latching member of the brake shoe and is stretched between the latching member and one of the brake shoes to bias the one brake shoe toward the other brake shoe; A dual servo type drum brake equipped with a spring, characterized in that the locking member is provided with an engagement hole penetrating in the plate thickness direction, and the hook is hooked into the engagement hole. brake. (2) According to claim 1 of the utility model registration claim, the plate surface of the portion of the hooking member where the engagement hole is provided is positioned substantially parallel to the straight line portion of the hook. Duo servo type drum brake as described.