Patent ID: 8556221

Claim:
A roller mount for seats for use in connection with a boat and a seat, the roller mount for seats comprising: a base plate, the base plate being adapted for mounting in the boat; at least one first track mounted on the base plate, the first track having a generally Y-shaped cross-section extending longitudinally between opposite front and rear ends, the first track having a transverse track web, the first track Y-shaped cross-section having opposite left and right track flanges extending upward from the track web, the first track having a central track pillar; at least one first carriage adapted for engagement with the first track, the first carriage having a generally inverted U-shaped cross-section extending longitudinally between opposite front and rear ends, the first carriage having a transverse carriage web, the first carriage U-shaped cross-section having opposite left and right carriage flanges extending downward from the transverse carriage web; a plurality of upper rolling elements mounted on the first carriage for rolling engagement with the first track, the upper rolling elements being disposed bearing downward against the first track, so as to resist downward forces against the first track; a plurality of lower rolling elements mounted on the first carriage for rolling engagement with the first track, the lower rolling elements being disposed bearing upward against the first track, so as to resist upward forces against the first track; a plurality of left rolling elements mounted on the first carriage for rolling engagement with the first track, the left rolling elements being disposed bearing rightward against the first track, so as to resist rightward forces against the first track; a plurality of right rolling elements mounted on the first carriage for rolling engagement with the first track, the right rolling elements being disposed bearing leftward against the first track, so as to resist leftward forces against the first track; a top plate mounted on the first carriage, the top plate being adapted to support the seat; and detent means for releasably locking the first carriage with respect to the first track, so as to preclude the first carriage from rolling along the first track.