Push button belt fastener

Claim 1

A lock for anchoring a strap loop forming part of a vehicle safety belt to a vehicle body structure comprising, in combination: a U-shaped metal frame adapted to be fixedly attached to the body structure; a metal bar pivotally mounted at one end thereof to one limb of the frame; a latching member pivotally mounted to the other limb of the frame and extending along said other limb, for pivotal movement into and away from locking engagement with the bar at the other end thereof, locking the bar to said other limb in a position to prevent the bar from being released therefrom by an outward pulling movement, the bar in said locked position closing off an elongated slot for the reception of the strap loop; spring means biasing the bar and the latching member to an open position and a latching position, respectively; a housing of a plastic material, which is of a shape matched to the U-shaped frame and encloses the frame, a major part of the bar being uncovered by the housing, which forms around said other limb a cavity receiving this limb as well as the latching member and having an opening at the top; a projecting border rib on the housing surrounding said opening; and a recessed push button displaceably guided in said cavity, which is engageable with the upper end of the latching member by an external manual operation to pivot a cam action the latching member to a disengaged position against the spring bias, the push button being pressed against the border rib by the spring bias to be held in an at-rest position in which it is recessed in the housing and is available for manual operation through the opening of the cavity.