초록 ▼

An all-terrain sport board especially adapted for riding on rough out-door terrain employing large pneumatic wheels, a large frame and a spring steering mechanism that enables a rider to tip the board and turn the wheels to a much greater degree than would be possible with a conventional boards. The

An all-terrain sport board especially adapted for riding on rough out-door terrain employing large pneumatic wheels, a large frame and a spring steering mechanism that enables a rider to tip the board and turn the wheels to a much greater degree than would be possible with a conventional boards. The steering mechanism provides polymeric shock absorbers of varying configurations to enhance the ability of the rider to make athletic maneuvers and jumps with the board without undue turbulence in the ride.

대표청구항 ▼

[ I claim:] [1.] A truck assembly for a sport board or other wheeled apparatus having a frame with a central portion and end portions, comprising:(a) an upper truck secured to an end portion of said frame having a horizontal upper portion with opposing lateral ends, each lateral end having a spring

[ I claim:] [1.] A truck assembly for a sport board or other wheeled apparatus having a frame with a central portion and end portions, comprising:(a) an upper truck secured to an end portion of said frame having a horizontal upper portion with opposing lateral ends, each lateral end having a spring retention means thereon, and a vertical lower portion extending downward from said upper portion having a front and back walls so as to define a channel in the upper truck and an opening in said front and back walls for a pivot pin;(b) a lower truck having a vertical upper portion with front and back walls so as to define a channel in the lower truck and an opening through said front and back walls for a pivot pin, said vertical upper portion extending inward to a lower horizontal portion with opposing lateral ends, each lateral end having a spring retention means thereon;(c) a pivot pin extending through the openings in the walls of the upper and lower trucks to secure the upper and lower trucks together; and(d) one or more vertically positioned coiled springs having two opposite ends, one end in engagement with the spring retention means on the upper truck, and the other end in engagement with the spring retention means on the lower truck, and(e) wherein the shock absorber is placed within the interior of the spring coil between the spring retention means.