JPS6396332U

JPS6396332U -

Info

Publication number: JPS6396332U
Application number: JP19057486U
Authority: JP
Priority date: 1986-12-12
Filing date: 1986-12-12
Publication date: 1988-06-22

Description

[Brief explanation of the drawing]

第１図は、本考案に係るシユーホールドダウン
装置の実施例の断面図、第２図は、同実施例に使
用されるホールドピンの側面図、第３図は、シユ
ーホールドカツプの図、第４図は、従来のシユー
ホールドダウン装置の断面図である。１：ホールドピン、１ａ：基部、１ｂ：軸部、
１ｃ：頭部、１ｄ：突起、２：コイルばね、３：
第１シユーホールドカツプ、４：第２シユーホー
ルドカツプ、５：第３シユーホールドカツプ、６
：（弾性体たる）コイルばね、１０：バツキング
プレート、１０ａ：通孔、１１：ブレーキシユー
、１２：ブレーキシユーのウエブ、１２ａ：長孔
。 Fig. 1 is a sectional view of an embodiment of the shew hold down device according to the present invention, Fig. 2 is a side view of a hold pin used in the same embodiment, and Fig. 3 is a diagram of a shew hold cup. , FIG. 4 is a sectional view of a conventional shew hold down device. 1: Hold pin, 1a: Base, 1b: Shaft,
1c: Head, 1d: Protrusion, 2: Coil spring, 3:
1st shoe-hold cup, 4: 2nd shoe-hold cup, 5: 3rd shoe-hold cup, 6
: Coil spring (elastic body), 10: Backing plate, 10a: Through hole, 11: Brake shoe, 12: Brake shoe web, 12a: Long hole.

Claims

[Scope of utility model registration request]

The hold pin locks its base to the edge of the through hole provided in the bucking plate of the drum brake, inserts its shaft into the elongated hole provided in the web of the brake shoe, and inserts the hold pin into the edge of the elongated hole. In a shew hold down device, a coil spring is interposed between a first shew hold cup that is seated on the hold pin and a second shew hold cup that can be engaged with the head of the hold pin. A protrusion is provided on the shaft portion located between the backing plate of the brake shoe and the web of the brake shoe, and the base of the hold pin is placed between the backing plate and the third shoe hold cup that is engaged with the protrusion. A show hold down device characterized by compressing and interposing an elastic body that biases the king plate so as to press it.