Device in connection with roller safety belts or similar

Claim 1

A coupling device for use with vehicle roller safety belts particularly of the three point type having a chest band part which extends diagonally in use and continues in a hip-band part with both parts at the point of passing from one part to other are laid around a bar located at one side of a seat of the vehicle and fastened to the vehicle, said coupling device comPrising a fitting attachable to the vehicle, a shaft being mounted on said fitting, said bar being pivotally mounted on said shaft with said bar extending perpendicular to said shaft, said bar having a bridge-shaped portion positioned for at times extending over said fitting, a locking element pivotally mounted on said fitting, a pin moveably mounted on said fitting and extending perpendicular to said bar and substantially parallel to the pivoting axis of said bar and positioned for engaging and retaining said bridge portion when extending over said fitting, said locking element being positioned for moving said pin to and from its bar retaining position during the pivoting of said locking element and resilient means tending to retain said locking element in its position with said pin engaging said bar, said fitting having a slot extending in the longitudinal direction of said bar when said bar extends over said fitting, said locking element having a slot extending at an angle to said first mentioned slot, said pin extending through both said slots whereby said pin can be displaced between its bar retaining position to its bar releasing position during pivoting of said locking element.