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US 11,330,753 B2Granted
Drum style rotary tiller
AssigneeArdisam, Inc.
InventorsMark G. Ruppel, Randy L. Schamberger, David P. Flesch, Robert J. Ruppel
Life of this patent
Estimating the term…
Abstract
A rotary tiller comprises a frame, a cylindrical drum rotatable relative to the frame, a plurality of tines extending from the cylindrical drum, a motor at least partially disposed within the cylindrical drum, wherein the motor is configured to rotate a motor output member, and a transmission at least partially disposed within the cylindrical drum and configured to engage the motor output member. The transmission is operable to drive rotational movement of the cylindrical drum.
Claims13
A rotary tiller comprising:
- a frame;
- a handlebar structure extending from the frame;
- a cylindrical drum rotatable relative to the frame;
- a plurality of tines extending from the cylindrical drum;
- a motor at least partially disposed within the cylindrical drum, the motor configured to rotate a motor output member;
- a transmission at least partially disposed within the cylindrical drum and configured to engage the motor output member, the transmission operable to drive rotational movement of the cylindrical drum;
- and
- at least two wheels for transporting the rotary tiller, the at least two wheels coupled to the frame at a fixed location with at least one axle such that the at least two wheels are rotatable relative to the frame;
- wherein the rotary tiller is convertible between a tilling position and a transport position by rotation of the handlebar structure relative to a ground surface,
- wherein when the rotary tiller is in the tilling position the tines are in contact with the ground surface, the at least two wheels are raised above the ground surface at a location forward of the tines, and the handlebar structure extends rearward of the tines, and
- wherein when the rotary tiller is in the transport position the at least two wheels are in contact with the ground surface and the tines are raised above the ground surface.
8 more elements
A rotary tiller comprising:
- a frame;
- a cylindrical drum rotatable relative to the frame;
- a plurality of tines extending from the cylindrical drum;
- a motor at least partially disposed within the cylindrical drum, the motor configured to rotate a motor output member;
- a transmission at least partially disposed within the cylindrical drum and configured to engage the motor output member, the transmission operable to drive rotational movement of the cylindrical drum;
- a tine hood assembly extending over at least a portion of the tines and including a first side shield, a second side shield, and a tine shield extending between the first and second side shields;
- and
- at least two wheels for transporting the rotary tiller;
- wherein the transmission is a planeta gearbox:
- wherein the motor includes a motor output gear that extends within the planetary and
- wherein the planetary gearbox includes a housing having a plurality of inwardly-facing teeth and a plurality of planetary gears arranged to mesh with the plurality of inwardly-facing teeth and the motor output gear.
8 more elements
A rotary tiller comprising:
- a frame;
- a handlebar structure extending from the frame;
- a cylindrical drum rotatable relative to the frame;
- a plurality of tines extending from the cylindrical drum;
- a motor at least partially disposed within the cylindrical drum, the motor configured to rotate a motor output member;
- a transmission at least partially disposed within the cylindrical drum and configured to engage the motor output member, the transmission operable to drive rotational movement of the cylindrical drum;
- and
- a pair of wheels for transporting the rotary tiller, the pair of wheels coupled to the frame in a fixed, non-adjustable position with at least one axle such that the pair of wheels is rotatable relative to the frame:
- wherein the rotary tiller is convertible between a tilling position and a transport position by rotation of the handlebar structure relative to a ground surface,
- wherein when the rotary tiller is in the tilling position the tines are in contact with the ground surface, the pair of wheels is raised above the ground surface at a location forward of the tines, and the handlebar structure extends rearward of the tines, and
- wherein when the rotary tiller is in the transport position the pair of wheels is in contact with the ground surface and the tines are raised above the ground surface.
8 more elements
Dependencies are inferred from the claim text.