US 6,546,707 B2 · Double deck rotary mower body

Abstract

A rotary mower for cutting vegetation including grass, brush and the like, and more particularly to a rotary ditch mower having a main body and extension wings or side sections supporting a number of cutting blades. The main body and extension wings are supported by contour following ground wheels and the main body also foldably supports the extension wings which may be inclined relative to the main body. The mower is also provided with a hitch pole for pull behind connection with a tractor and an articulation mechanism of the main body and extension wings for adjustment of cutting height over varying terrain during cutting operations as well as for raising the extension wings to a transport position and for raising the mower to a substantially vertical position, i.e., the main body and extension wings raised perpendicular with respect to the ground to facilitate servicing and maintenance of the mower.

Claims12

Dependent claims

A rotary mower for use in combination with a motorized tractor having an attachment point for releasably connecting the rotary mower to the tractor, the rotary mower comprising:

a main body having a front end having a front support pivot for connection to the tractor;
at least a cutting blade for cutting vegetation, the cutting blade supported by the main body;
the main body comprises a spaced apart bottom deck and top deck, the bottom deck being a substantially planar surface and the top deck being substantially non-planar;
and
wherein one of the top and bottom decks further comprise at least a first and second U-shaped portions, each of said at least first and second U-shaped portions defined by a first and second leg separated by a base portion defining a portion of one of the top and bottom deck and the first and second legs are affixed at their free end directly to an inner surface of the respective other of the top and bottom deck to form the spaced apart top and bottom decks.

2 more elements

A rotary mower deck for a mowing vehicle comprising:

a box type main body defined by a plurality of lateral walls joining spaced apart first and second decks to form a plurality of adjacent box sections;
a rotary cutting blade suspended below the main body and a drive shaft of the rotary cutting blade extending through said main body to connect with a cutting blade driving apparatus;
the first deck being substantially planar and connected with the second deck via the lateral wall;
the second deck comprising a plurality of U-shaped deck sections joined at least to a respective adjacent U-shaped deck section;
and
wherein the lateral walls of the main body are defined by a first and second legs separated by and depending from middle portions of the U-shaped deck sections arid the first and second legs of each U-shaped deck section having ends affixed to the first deck.

3 more elements

Dependencies are inferred from the claim text.

Double deck rotary mower body

Life of this patent

Double deck rotary mower body

Life of this patent

Abstract

Claims12