Patent ID: 7722006

Claim:
A safety lock catch device of a lengthwise adjustment mechanism of a motor vehicle seat, the lengthwise adjustment mechanism comprising a first pair of rails and a second pair of rails, each having a bottom rail and a seat rail; and the catch device comprising: a first detent ledge that is associated with the bottom rail of the first pair of rails and comprises first detent openings and first detent webs, a first stopper unit that is disposed in proximity to the first detent ledge and cooperates therewith, that comprises at least two stopper teeth for engaging the first detent openings independently of one another and for disengaging therefrom together and that is associated with the seat rail of the first pair of rails, a second detent ledge that is associated with the bottom rail of the second pair of rails and that comprises second detent openings and second detent webs, a second stopper unit that is disposed in proximity to the second detent ledge and cooperates therewith, that comprises only one stopper part that engages and disengages the second detent openings and that is associated with the seat rail of the second pair of rails, and an actuation unit that has a hand lever and comprises actuator means through which the hand lever is connected to the two stopper units for common actuation of the stopper units, wherein the stopper part is a coherent part and that is either in or out of engagement with at least one second detent opening.