JPS6182136U

JPS6182136U -

Info

Publication number: JPS6182136U
Application number: JP16759784U
Authority: JP
Priority date: 1984-11-05
Filing date: 1984-11-05
Publication date: 1986-05-31

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例による隙間調整装
置付ドラムブレーキ装置の正面図、第２図は第１
図における−線方向拡大断面図、第３図は第
１図における−線方向拡大断面図、第４図は
第１図における−線方向拡大断面図、第５図
は第４図における−線方向拡大断面図及び第
６図は本考案の第２実施例による隙間調整装置付
ドラムブレーキの正面図である。なお図において、１，１′……ドラムブレーキ
装置、２，３……シユー、１０……パーキング・
レバー、１２，４１……リターンスプリング、１
５，４０……調整レバー、２０……ラチエツト、
３５，４２……ピン、４０ａ……折曲部。 FIG. 1 is a front view of a drum brake device with a clearance adjustment device according to a first embodiment of the present invention, and FIG.
Fig. 3 is an enlarged sectional view in the - line direction in Fig. 1, Fig. 4 is an enlarged sectional view in the - line direction in Fig. 1, and Fig. 5 is an enlarged sectional view in the - line direction in Fig. 4. The enlarged sectional view and FIG. 6 are front views of a drum brake with a gap adjustment device according to a second embodiment of the present invention. In the figure, 1, 1'... drum brake device, 2, 3... shoe, 10... parking
Lever, 12, 41...Return spring, 1
5, 40...adjustment lever, 20...ratchet,
35, 42...pin, 40a...bent portion.

Claims

[Scope of utility model registration request]

A pair of brake shoes movably disposed on the back plate, and a pair of brake shoes provided on one end side of the pair of brake shoes, capable of pressing the pair of brake shoes against the brake drum in response to external input. an actuator, an anchor provided on the other end side of the pair of brake shoes, a return spring that biases the pair of brake shoes in a direction away from the brake drum, and an anchor that straddles the pair of brake shoes. a parking lever that is swingably supported by either one of the pair of brake shoes and that can come into contact with one end of the strut; The strut includes an adjustment lever that is swingably supported by the pair of brake shoes and has a claw at its end, and the strut has at least two members that are screwed together with variable effective lengths. Ratchet teeth are formed on the outer periphery of one side, and the ratchet teeth and the pawl of the adjustment lever can be engaged when the adjustment lever is swung in one direction, and when the adjustment lever is swung in the other direction. In the drum brake with a clearance adjustment device, the pawl is configured to be able to ride over the ratchet teeth, the adjusting lever is provided with a protrusion, the protrusion is able to come into contact with the parking lever, and one end of the return spring is provided with a protrusion. A drum brake with a clearance adjustment device that engages the adjustment lever.