Patent ID: 7921512

Claim:
An assembly for guiding the longitudinal sliding movement of a sub-assembly ( 32 ), comprising: a guide rail ( 36 ) comprising a groove ( 40 ) with an inside wall defining a longitudinal guideway ( 93 ), the body of the guide rail ( 36 ) comprising a longitudinal front groove ( 40 ) open in a transverse direction; and a guide runner ( 34 ) configured to cooperate with the groove ( 40 ) of the guide rail ( 36 ) comprising at least one locking system ( 102 ) for locking the runner ( 34 ), when the runner is engaged in the guide rail ( 36 ), in any longitudinal position relative to the guide rail ( 36 ), the guide runner ( 34 ) further comprising rolling elements ( 92 ) each comprised of a pair of mutually oblique rollers configured to roll along longitudinal guideway ( 93 ) of the groove ( 40 ), wherein the guideway ( 93 ) comprises opposing inner walls each having faces with cylindrical arcs of approximately circular section, and wherein the locking system ( 102 ) comprises at least one locking shoe ( 104 ) movable between i) a retracted position and ii) a locked position in which the shoe engages by friction with a locking surface of the body of the guide rail ( 36 ).