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1. WO2016089877 - MOTOCULTEUR À DENTS VERTICALES

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

WHAT IS CLAIMED IS:

1. A vertical tine tiller comprising:

a frame;

an operator control assembly extending from said frame; a power source for generating a rotational output, said power source operatively connected to said frame;

a transfer casing operatively connected to said frame; and a tiller assembly being rotatably driven by said power source, said tiller assembly including a horizontally rotatable driveshaft operatively connected to power source, a pair of vertically rotatable drive rods operatively connected to said driveshaft, and a vertically-oriented tine assembly operatively connected to each of said drive rods;

wherein horizontal rotation of said driveshaft is directly transferred into vertical rotation of said drive rods.

2. The vertical tine tiller of Claim 1 further comprising a transmission assembly operatively connected to said transfer casing and a plurality of wheels that are rotatably attached to said frame.

3. The vertical tine tiller of Claim 2, wherein said transmission assembly is selectively driven by said driveshaft.

4. The vertical tine tiller of Claim 1 further comprising a transfer gear coupled to said driveshaft and a drive gear attached to each of said drive rods, wherein said transfer gear is meshingly engaged with said drive gears for transferring rotation from said driveshaft to said drive rods.

5. The vertical tine tiller of Claim 4, wherein said transfer gear is a worm gear and said drive gears are pinion gears.

6. The vertical tine tiller of Claim 5, wherein each of said transfer gear and said drive gears includes an aperture having splines formed on a surface defining said aperture, said splines engage corresponding splines formed on said driveshaft and said drive rods, respectively, for coupling said transfer gear to said drive shaft and for coupling said drive gears to said drive rods.

7. The vertical tine tiller of Claim 1, wherein said tine assembly includes a plurality of vertically-oriented tines.

8. The vertical tine tiller of Claim 7, wherein each of said tines includes an upper portion, a lower portion extending from said upper portion, and a lower portion, said tine also having a sharpened leading edge.

9. The vertical tine tiller of Claim 8, wherein at least a portion of said sharpened leading edge of each tine is scalloped.

10. A vertical tine tiller comprising:

a frame;

an operator control assembly extending rearwardly from said frame; a power source for generating a rotational output, said power source operatively connected to said frame;

a tiller assembly operatively connected to said frame wherein said tiller assembly extends rearwardly from said frame, said tiller assembly being rotatably driven by said power source, said tiller assembly including a pair of vertically rotatable drive rods, and a tine assembly operatively connected to each of said drive rods, wherein each of said tine assemblies being rotatable about a substantially vertical axis;

a pair of rotatable wheels operatively connected to said frame.

11. The vertical tine tiller of Claim 10, wherein the tiller assembly includes a driveshaft operatively connected to said power source and said drive rods, said driveshaft being rotatably drivable by said power source, wherein rotational output of said power generates horizontal rotation of said driveshaft which is transferred into vertical rotation of said drive rods.

12. The vertical tine tiller of Claim 10, wherein a transfer gear is coupled to said driveshaft and a drive gear is coupled to each of said pair of drive rods, said transfer gear being meshingly engaged with said drive gears.

13. The vertical tine tiller of Claim 12, wherein said transfer gear is a worm gear and said drive gears are pinion gears.

14. The vertical tine tiller of Claim 10, wherein said tine assemblies are located below said operator control assembly.

15. A tine assembly attachable to a vertically-aligned drive rod of a tiller assembly of a vertical tine tiller, said tine assembly comprising:

an upper plate;

a lower plate oriented substantially parallel to said upper plate;

a plurality of mounting brackets operatively connecting said upper and lower plates;

a hub extending centrally between said upper and lower plates for receiving said vertically-aligned drive rod;

a vertically-oriented tine attached to each of said plurality of mounting brackets.

16. The tine assembly of Claim 15, wherein each of said tines is generally reshaped, having an upper portion, a transition portion extending from said upper portion at a compound angle, and a lower portion extending from said transition portion.

17. The tine assembly of Claim 15, wherein each of said tines includes a sharpened leading edge.

18. The tine assembly of Claim 17, wherein at least a portion of said sharpened leading edge is scalloped.