Seat sliding runner

Claim 1

In a sliding runner supporting a motor vehicle seat, said sliding runner comprising: a lower profiled member of generally channel section having opposed flanks extended externally by respective angle section members and respective arched portions joining said angle section members to said flanks, each said angle section member having a first web extending downwardly from the corresponding arched portion and a second web extending outwardly from the bottom of the first web; means attaching said lower profiled member to the floor of the vehicle; an upper profiled member of generally inverted channel section having opposed flanks enveloping said angle section members of said lower profiled member and being extended inwardly by respective inwardly-directed ledges which extend below said outwardly extending webs of the respective angle section members of said lower profiled member; and ball races facilitating sliding of said upper profiled member along said lower profiled member and defined between each said flank of said upper profiled member and the corresponding angle section member of said lower profiled member, the improvement which comprises: a. each said flank of said lower profiled member defining with its corresponding arched portion and first web a downwardly open inverted channel, and b. a jaw member embracing said upper profiled member and means securing said jaw member to said upper profiled member, said jaw member having a lateral lug constituting a lower anchoring point for a safety belt and respective walls which extend inwardly below the inwardly extending ledges of the upper profiled member and which terminate in respective turned up edges penetrating into the said downwardly open inverted channels provided by said lower profiled member.