JPH01147159U - - Google Patents
Info
- Publication number
- JPH01147159U JPH01147159U JP3542488U JP3542488U JPH01147159U JP H01147159 U JPH01147159 U JP H01147159U JP 3542488 U JP3542488 U JP 3542488U JP 3542488 U JP3542488 U JP 3542488U JP H01147159 U JPH01147159 U JP H01147159U
- Authority
- JP
- Japan
- Prior art keywords
- pawl
- plate
- operating
- parking brake
- circumferential surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Mechanical Control Devices (AREA)
Description
第１図は本考案の一実施例であるパーキングブ
レーキ操作装置の要部を示す図であつて、非操作
状態を示す図である。第２図は第１図における
―視断面の要部拡大図である。第３図は第１図
における―視断面の要部拡大図である。第４
図は第１図の要部拡大図であつて、ポウルの爪部
が係合歯を乗り越える直前の状態を示す図である
。
１２：板状部、１６：操作レバー（操作部材）
、１８：軸、２０：係合歯、２４爪部、２６：ポ
ウル、３２：板状部材、３４：円弧状外周面、４
４：板ばね（付勢装置）。
FIG. 1 is a diagram showing the main parts of a parking brake operating device that is an embodiment of the present invention, and is a diagram showing a non-operating state. FIG. 2 is an enlarged view of the main part of the cross section seen from the side in FIG. 1. FIG. 3 is an enlarged view of the main part of the cross-section seen in FIG. 1. Fourth
This figure is an enlarged view of the main part of FIG. 1, and shows a state immediately before the claw portion of the pawl passes over the engaging teeth. 12: Plate-shaped part, 16: Operation lever (operation member)
, 18: shaft, 20: engaging tooth, 24 pawl portion, 26: pawl, 32: plate member, 34: arcuate outer peripheral surface, 4
4: Leaf spring (biasing device).
Claims (1)
と、該一軸心を中心とする円弧に沿つて多数の係
合歯が形成された板状部と、該係合歯と係合させ
られる爪部を有して該一軸心と平行な軸心まわり
の回動可能に設けられ、該係合歯と係合する回動
方向へ常時付勢されることにより、前記操作部材
のパーキングブレーキ操作方向への回動時には小
角度の往復回動を繰り返しつつ前記爪部が前記係
合歯を乗り越えて該操作部材の該操作方向への回
動を許容するが、該操作部材の操作位置からの戻
り回動を阻止するポウルとを備えた形式のパーキ
ングブレーキ操作装置において、 前記係合歯が形成された円弧と略同様の曲率半
径を有する円弧状外周面を備えた板状部材を、前
記板状部に略密着し且つ該円弧状外周面が前記ポ
ウルに対向する状態で該ポウルと接近離隔する方
向の移動可能に設けるとともに、該ポウルの係合
方向への付勢力より小さい付勢力で前記板状部材
を該ポウルと接近する方向へ付勢して該板状部材
の円弧状外周面を該ポウルの前記爪部に当接させ
る付勢装置を設けたことを特徴とするパーキング
ブレーキ操作装置。[Claims for Utility Model Registration] An operating member rotatably provided around a single axis, a plate-shaped portion in which a large number of engaging teeth are formed along an arc centered on the single axis, It has a pawl that engages with the engagement tooth, is rotatable about an axis parallel to the one axis, and is always biased in the rotational direction to engage with the engagement tooth. As a result, when the operating member rotates in the parking brake operating direction, the claw portion overcomes the engagement teeth while repeating small angle reciprocating rotation, allowing the operating member to rotate in the operating direction. However, in a parking brake operating device of a type including a pawl for preventing return rotation of the operating member from the operating position, an arcuate outer circumferential surface having a radius of curvature substantially the same as the arc on which the engaging teeth are formed; A plate-like member is provided so as to be movable toward and away from the pawl in a state in which the plate-like member is in substantially close contact with the plate-like portion and the arcuate outer circumferential surface faces the pawl, and the plate-like member is movable in the direction of engagement with the pawl. A biasing device is provided that biases the plate-like member in a direction toward the pawl with a biasing force smaller than the biasing force applied to the pawl to bring the arc-shaped outer circumferential surface of the plate-like member into contact with the pawl portion of the pawl. A parking brake operating device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3542488U JPH01147159U (en) | 1988-03-17 | 1988-03-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3542488U JPH01147159U (en) | 1988-03-17 | 1988-03-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01147159U true JPH01147159U (en) | 1989-10-11 |
Family
ID=31262072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3542488U Pending JPH01147159U (en) | 1988-03-17 | 1988-03-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147159U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5516910B2 (en) * | 1975-09-20 | 1980-05-07 | ||
| JPS5640250B2 (en) * | 1976-08-26 | 1981-09-19 |
-
1988
- 1988-03-17 JP JP3542488U patent/JPH01147159U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5516910B2 (en) * | 1975-09-20 | 1980-05-07 | ||
| JPS5640250B2 (en) * | 1976-08-26 | 1981-09-19 |
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