JPS62198165U - - Google Patents
Info
- Publication number
- JPS62198165U JPS62198165U JP8772686U JP8772686U JPS62198165U JP S62198165 U JPS62198165 U JP S62198165U JP 8772686 U JP8772686 U JP 8772686U JP 8772686 U JP8772686 U JP 8772686U JP S62198165 U JPS62198165 U JP S62198165U
- Authority
- JP
- Japan
- Prior art keywords
- parking brake
- air
- spring chamber
- switching valve
- spring
- 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
- 238000010586 diagram Methods 0.000 description 4
Description
第１図は本考案の第１実施例を示すパーキング
ブレーキの安全装置の回路図、第２図はその作用
を示す回路図、第３図は第２実施例を示すパーキ
ングブレーキの安全装置の回路図、第４図は従来
技術を示すパーキングブレーキの回路図である。
３……エアタンク、４……パーキングスイツチ
、５……スプリングチヤンバ、６，８……ロツド
、７……ターンバツクル、９……パーキングブレ
ーキ、１１……デツドマンスイツチ、１８……シ
ート、２０……リミツトスイツチ、２１……ソレ
ノイド、Ｓ……スプリング。
Fig. 1 is a circuit diagram of a parking brake safety device showing a first embodiment of the present invention, Fig. 2 is a circuit diagram showing its operation, and Fig. 3 is a circuit diagram of a parking brake safety device showing a second embodiment. 4 are circuit diagrams of a parking brake showing the prior art. 3...Air tank, 4...Parking switch, 5...Spring chamber, 6, 8...Rod, 7...Turnbuckle, 9...Parking brake, 11...Deadman switch, 18...Seat, 20... ...Limit switch, 21...Solenoid, S...Spring.
Claims (1)
ツチの切換えで排気することによつてスプリング
の力によりロツド及び連結部材を摺動させてパー
キングブレーキを作動させるパーキングブレーキ
装置において、前記スプリングチヤンバとブレー
キ動作を解除するために該スプリングチヤンバへ
エアを供給するエアタンクとの間に運転席のシー
トのたわみによつてエアの連通を断続する切換バ
ルブを設けたパーキングブレーキの安全装置。 In a parking brake device that operates a parking brake by sliding a rod and a connecting member by the force of a spring by exhausting air in a spring chamber by switching a parking switch, the spring chamber and the brake operation are released. A safety device for a parking brake, which is provided with a switching valve between an air tank that supplies air to the spring chamber and a switching valve that connects and disconnects air depending on the deflection of the driver's seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8772686U JPS62198165U (en) | 1986-06-09 | 1986-06-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8772686U JPS62198165U (en) | 1986-06-09 | 1986-06-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62198165U true JPS62198165U (en) | 1987-12-16 |
Family
ID=30945199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8772686U Pending JPS62198165U (en) | 1986-06-09 | 1986-06-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62198165U (en) |
-
1986
- 1986-06-09 JP JP8772686U patent/JPS62198165U/ja active Pending