JPS6189531U

JPS6189531U -

Info

Publication number: JPS6189531U
Application number: JP17422084U
Authority: JP
Priority date: 1984-11-16
Filing date: 1984-11-16
Publication date: 1986-06-11

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
２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
ムブレーキ装置の正面図、第６図は第５図におけ
る−線方向拡大断面図、第７図は第５図にお
ける−線方向拡大断面図、及び第８図は第５
図における−線方向拡大断面図である。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、１４，３６，４３……ピン、１５，４２
……調整レバー、３０，３０′……ストラツト。 FIG. 1 is a front view of a drum brake device with a gap adjustment device according to a first embodiment of the present invention, and FIG.
FIG. 3 is an enlarged sectional view in the linear direction of FIG. 2, FIG. 4 is an enlarged sectional view in the linear direction of FIG. 1, and FIG. 5 is a second embodiment of the present invention. FIG. 6 is an enlarged sectional view in the - line direction of FIG. 5, FIG. 7 is an enlarged sectional view in the - line direction of FIG.
It is an enlarged sectional view in the - line direction in the figure. In the figure, 1, 1'... drum brake device, 2, 3... shoe, 10... parking
Lever, 14, 36, 43...Pin, 15, 42
...Adjustment lever, 30, 30'...Strut.

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 a return spring 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 disposed and has a pawl at the end, and the strut has at least two members that are screwed to each other with variable effective lengths, and has latch teeth on the outer periphery of one of the two members. The ratchet teeth and the claw of the adjustment lever can be engaged with each other when the adjustment lever swings in one direction, and when the adjustment lever swings in the other direction, the claw engages with the ratchet. In a drum brake with a gap adjustment device that is capable of riding over teeth, the adjustment lever is pivoted to the parking lever on a side opposite to the swing support side of the parking lever with respect to the strut of the parking lever. Drum brake with adjustment device.