Patent ID: 7698791

Claim:
A safety strap buckle, in particular for automotive child safety seats, as well as for push-chairs or prams, comprising a buckle body, and a lock mechanism for releasably locking at least one tongue insertable inside said buckle body in a longitudinal insertion direction; the lock mechanism comprising: a) a retaining rod movable, in a release direction perpendicular to said longitudinal insertion direction, between a lock position engaging said at least one tongue to retain the tongue inside said buckle body, and a release position disengaging said at least one tongue to permit expulsion of the tongue from said buckle body; and b) a release button movable in said release direction to move said retaining rod into said release position; said retaining rod being movable in said release direction independently of said release button, and being maintained in said lock position by a spring; wherein said buckle body is made of plastic material molded onto a metal insert, the metal insert including: an annular end portion embedded in an annular fastening portion of said buckle body, and a load-transfer portion located beneath said retaining rod and terminating with two appendixes aligned with the ends of said retaining rod in said longitudinal insertion direction to assist said retaining rod in the event of pull on said safety strap buckle in said longitudinal insertion direction.