公开(公告)号：US3390865A

公开(公告)日：1968-07-02

申请号：US55837366

申请日：1966-06-17

Applicant: NAT RES DEV

Inventor： JAMES JEHU VICTOR ,  PEARSON LEONARD CHARLES

IPC: E01F7/06 ,  E01F15/04

CPC classification number: E01F7/06 ,  E01F15/0423 ,  E01F15/0461 ,  E01F15/0476

公开(公告)号：US3917019A

公开(公告)日：1975-11-04

申请号：US33826473

申请日：1973-03-05

Applicant: NAT RES DEV

Inventor： PEARSON LEONARD CHARLES ,  JEHU VICTOR JAMES

IPC: B60R22/08 ,  B60R22/44 ,  B60R21/10

CPC classification number: B60R22/44 ,  B60R22/08 ,  B60R2022/4486

Abstract: A safety device for vehicles and their passengers comprises a restraining member, for instance a seat belt wound on a reel. A spring tends to wind in the reel, so that the member normally lies comfortably taut across the body of a seated passenger. A clutch operates in response to certain conditions of the vehicle to prevent the spring winding the reel in, while the reel can still wind out. This allows the belt to slacken to permit passengers to enter and leave their seats without difficulty. Appropriate conditions of the vehicle may include the opening of doors or the turning-off of the ignition system. When the condition ceases the spring first takes up the slack then holds the belt taut as before.

Abstract translation: 用于车辆及其乘客的安全装置包括限制构件，例如卷绕在卷轴上的安全带。 弹簧倾向于卷绕在卷轴中，使得构件通常舒适地张紧在坐着的乘客的身体上。 离合器响应于车辆的某些条件而操作，以防止在卷轴仍然卷绕时弹簧卷绕卷轴。 这样就可以使皮带放松，让乘客无障碍地进出座位。 车辆的适当条件可包括门的打开或点火系统的关闭。 当状态停止时，弹簧首先占据松弛，然后如前所述保持皮带张紧。