JPH0254669U

JPH0254669U -

Info

Publication number: JPH0254669U
Application number: JP13262988U
Authority: JP
Priority date: 1988-10-11
Filing date: 1988-10-11
Publication date: 1990-04-20

Description

[Brief explanation of drawings]

第１図は本考案が適用された足踏式パーキング
ブレーキ操作装置の要部を示す図であつて、パー
キングブレーキ作動状態を示す図である。第２図
および第３図はパーキングブレーキ解除時におけ
る第１図の装置の一作動状態をそれぞれ示す図で
あつて、第１図の要部にそれぞれ対応する拡大図
である。１２：パーキングブレーキペダル（操作部材）
、１４：係合歯、１６：セクタ、２６：長手状部
材、３４：第二ポウル部材（ポウル部材）、３８
：第二トーシヨンスプリング（第一スプリング）
、４０：ストツパピン（ストツパ）、４２：突出
部（ストツパ）、４４：引張コイルスプリング（
第二スプリング）。 FIG. 1 is a diagram showing the main parts of a foot-operated parking brake operating device to which the present invention is applied, and is a diagram showing a parking brake operating state. FIGS. 2 and 3 are views showing one operating state of the device shown in FIG. 1 when the parking brake is released, and are enlarged views corresponding to the main parts of FIG. 1, respectively. 12: Parking brake pedal (operating member)
, 14: engaging tooth, 16: sector, 26: longitudinal member, 34: second pawl member (pawl member), 38
:Second torsion spring (first spring)
, 40: Stopper pin (stopper), 42: Projection (stopper), 44: Tension coil spring (
second spring).

Claims

[Claims for Utility Model Registration] A sector in which a large number of engaging teeth are formed along an arc centered on one axis, and is rotated together with the operating member around the one axis, and a sector parallel to the one axis. a pawl member that is rotatable about an axis and engaged with the engaging teeth of the sector, and when the operating member is rotated in the parking brake operating direction, the pawl member engages with the engaging teeth. The operating member is allowed to rotate in the operating direction by overcoming this, but the returning rotation from the operating position of the operating member may be prevented based on the engagement between the pawl member and the engagement teeth; The parking brake operating device is of a type in which the engagement between the pawl member and the engagement teeth is released to prevent the operating member from rotating back when an operating force is applied to release the parking brake. , the intermediate portion is rotatably provided around an axis parallel to the one axis, the bowl member is rotatably attached to one end, and the operating force for releasing the parking brake is provided to the other end. a first spring that constantly biases the pawl member in the direction of disengagement with the engagement teeth; When the rotation is blocked, the tip of the pawl member that engages with the engagement tooth is moved from a straight line connecting the rotation center of the elongated member and the rotation center of the pawl member. and a second spring that constantly biases the longitudinal member in the rotational direction in which the pawl member engages with the engagement tooth. A parking brake operating device characterized by: