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US 4,901,507 AGranted
Pivoted deck lawnmower
OwnerLarry D. Cracraftinventor
Life of this patent
Estimating the term…
Abstract
A lawnmower of a type utilized in conjunction with a self-propelled vehicle, such as tractor, includes a plurality of decks, each housing a plurality of rotating cutting blades wherein the plurality of decks are pivotally secured and adjustable relative to one another to accommodate various ground contours.
Claims9
A mowing apparatus for connection to a self-propelled vehicle comprising,
- a first housing defining a first cavity, and a second housing defining a second cavity, and
- cutting means rotatably mounted within said first and second cavities for mowing of grass wherein said cutting means include at least one rotatable blade within each of said first and second cavities fixedly and rotatably secured to a shaft, and
- each shaft projects upwardly through said first and second housings terminating in a pulley, and
- an elongate drive shaft directed forwardly of said first and second housings for attachment to a power source at a forward end of said drive shaft, and
- a gear housing secured to said first housing wherein said drive shaft is secured to said gear housing at its other end, and
- said gear housing operably associated with each pulley of said cutting means for imparting rotation to said pulleys, and
- elongate hinge means securing said first and second housing together, and
- wherein said drive shaft is orientated parallel to said hinge, and
- a yoke member projecting upwardly of a forward surface of said first and second housings positioned medially of said hinge means, and
- a plurality of first wheels secured to rear surfaces of said first housing and a plurality of second wheels secured to rearward surfaces of said first and second housings wherein said first and second wheels rotatably support said first and second housings for traverse over a surface to be mowed and,
- wherein said yoke member includes a connector for connection to a self-propelled vehicle, and wherein said yoke further includes a plurality of legs wherein a first leg is secured to said first housing and a second leg secured to said second housing positioning said yoke medially relative to said elongate hinge.
8 more elements
Dependencies are inferred from the claim text.