Turbulent waterway

Claim 1

In a turbulent waterway having boats guided in a water trough extending between an uphill starting point and a downhill terminus water basin, (a) a chain conveyor means having a series of links extending on a slope between said starting point and said terminus water basin and adapted to travel upwardly therebetween, said chain conveyor means being substantially comprised of alternating vertically and horizontally oriented chain links, each of which has rounded edges; (b) the underside of said boats being provided along their length with at least one lengthwise extending locking bar means with transverse grooves adapted to mesh with the horizontally oriented chain links of said chain conveyor; (c) said chain conveyor means, when moving at a selected speed, serving to initially, upon contact between said chain conveyor means and said locking bar means, pull said boat at a speed less than said selected speed until said boat accelerates to said selected speed whereupon said chain conveyor means meshes with said locking bar means; and (d) sliding support means for supporting said chain links for sliding therealong, said sliding support means having a vertically oriented groove for guiding said vertically oriented chain links such that said horizontally oriented chain links mesh with said transverse grooves of said locking bar means.