JPH0384266U - - Google Patents
Info
- Publication number
- JPH0384266U JPH0384266U JP14575489U JP14575489U JPH0384266U JP H0384266 U JPH0384266 U JP H0384266U JP 14575489 U JP14575489 U JP 14575489U JP 14575489 U JP14575489 U JP 14575489U JP H0384266 U JPH0384266 U JP H0384266U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pin
- air
- braking
- control valve
- 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
Landscapes
- Braking Systems And Boosters (AREA)
- Braking Arrangements (AREA)
Description
第１図は本考案の一実施例としてのパーキング
ブレーキ装置の全体構成図、第２図は同上装置で
用いるピン用アクチユエータとそれを支持するブ
レーシチヤンバーの側断面図である。
１……ドラム、４……ブレーキシユー、７……
ブレーキチヤンバー、８……制御弁、１９……エ
アタンク、１０……ボデイー、１１……ピストン
、１２……ロツクピン、１３……ピン用アクチユ
エータ、１４……ピン駆動回路、１７……ばね。
FIG. 1 is an overall configuration diagram of a parking brake device as an embodiment of the present invention, and FIG. 2 is a side sectional view of a pin actuator used in the same device and a brake chamber that supports it. 1...Drum, 4...Brake shoe, 7...
Brake chamber, 8... Control valve, 19... Air tank, 10... Body, 11... Piston, 12... Lock pin, 13... Pin actuator, 14... Pin drive circuit, 17... Spring.
Claims (1)
ーキシユーを制動作動させると共にブレーキチヤ
ンバーボデイー内に収容されるピストンと、上記
ピストンを制動方向に押圧するばねと、上記ピス
トンを非制動方向に押圧するエアをエア源より制
御弁を介して受けるエア管と、上記ブレーキチヤ
ンバーボデイーに支持されると共に上記ピストン
を非制動位置にロツクするロツクピンと、上記制
御弁の制動作動信号に応じて上記ロツクピンをロ
ツク解除位置に移動させるピン用アクチユエータ
とを有した構成のパーキングブレーキ装置。 A piston that operates a brake shoe disposed in a parking brake drum and is housed in a brake chamber body, a spring that presses the piston in a braking direction, and an air that presses the piston in a non-braking direction. an air pipe that receives air from an air source via a control valve; a lock pin that is supported by the brake chamber body and locks the piston in a non-braking position; and a lock pin that releases the lock in response to a braking operation signal from the control valve. A parking brake device configured to include a pin actuator that moves the pin to a certain position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14575489U JPH0384266U (en) | 1989-12-18 | 1989-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14575489U JPH0384266U (en) | 1989-12-18 | 1989-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0384266U true JPH0384266U (en) | 1991-08-27 |
Family
ID=31692377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14575489U Pending JPH0384266U (en) | 1989-12-18 | 1989-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0384266U (en) |
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1989
- 1989-12-18 JP JP14575489U patent/JPH0384266U/ja active Pending