Seat securing and adjusting device

A device for securing and adjusting the lengthwise position of a removable and reversible seat having a frame with front and rear legs, the seat being secured to a floor of a vehicle, comprising:

• at least two parallel tracks adapted to be secured to the floor of the vehicle, each track having a C-shaped cross section and an internal cavity divided into an upper compartment and a lower compartment by horizontal internal ribs;
• at least two sliders, each slider having an inverted U-shaped cross section and is disposed in the upper compartment of the track, each slider is movable with respect to the track and supports a first fastening means that cooperates with a second fastening means adapted to be provided on each leg of the seat;
• a plate having parallel rows of perforations spaced lengthwise relative to the plate, the plate being disposed in the lower compartment of the track;
• locking means provided in the slider, the locking means cooperating with the perforations in the plate to lock the slider in the track and is releasingly engageable from elongated apertures in a web of the slider through which each leg is introduced into the slider, the locking means also cooperates with fixed recesses in the track and can be brought into an unlocked position against a spring return means by a manual control adapted to be mounted on the frame of each seat;
• and
• each end of the slider is horizontally traversed by shafts having a central part and shaft ends, the central part providing hooking elements for complimentary means with which each leg is equipped and the shaft ends support wheels that travel along the internal ribs of the track.