초록 ▼

A soil grader is disclosed which is mounted on the forward end of a skid-steer vehicle or to the three-point hitch of a tractor. The soil grader includes first and second side frames having a forwardly extending support secured thereto which enables the grader to be secured to the vehicle or tractor

A soil grader is disclosed which is mounted on the forward end of a skid-steer vehicle or to the three-point hitch of a tractor. The soil grader includes first and second side frames having a forwardly extending support secured thereto which enables the grader to be secured to the vehicle or tractor. A cross frame is secured to the first and second side frames and has a plurality of horizontally spaced-apart, elongated, rigid teeth secured thereto which extend downwardly and forwardly therefrom for engagement with the soil being graded. A horizontally disposed soil roller is rotatably secured to the first and second side frames adjacent the lower end thereof rearwardly of the teeth. Spring tooth supports are secured to the first and second frame members rearwardly of the soil roller and have a plurality of horizontally spaced-apart spring teeth secured thereto which extend downwardly therefrom for engagement with the soil.

대표청구항 ▼

[ I claim:] [1.]1. A soil grading apparatus, comprising:a first side frame having an upper end, a lower end, a forward end, a rearward end, an inner surface, and an outer surface;a second side frame having an upper end, a lower end, a forward end, a rearward end, an inner surface, and an outer surfa

[ I claim:] [1.]1. A soil grading apparatus, comprising:a first side frame having an upper end, a lower end, a forward end, a rearward end, an inner surface, and an outer surface;a second side frame having an upper end, a lower end, a forward end, a rearward end, an inner surface, and an outer surface;a first cross frame secured to said first and second side frames adjacent the upper forward ends thereof and extending therebetween;mounting means on said first cross frame for attachment to a prime mover capable of vertically moving said first cross frame and said first and second side frames;a second cross frame secured to said first and second side frames and extending therebetween;a plurality of horizontally spaced-apart, elongated, rigid teeth, having upper and lower ends, secured to said second cross frame and extending downwardly therefrom for engagement with the soil being graded;a horizontally disposed soil roller rotatably secured to said first and second side frames adjacent the lower ends thereof and extending therebetween;a spring tooth support means secured to said first and second side frames and extending therebetween rearwardly of said soil roller;a plurality of horizontally spaced-apart spring teeth, having upper and lower ends, secured to said spring tooth support means and extending downwardly therefrom for engagement with the soil being graded;first and second ground-engaging caster wheels operatively secured to said first and second side frames, respectively, adjacent the rearward ends thereof.