Abstract: The disclosure is of a fodder mower-conditioner mounted laterally of a tractor and comprising two or more rotary-scythe cutters and one or more conditioning rotors all rotating about axes which as viewed from above fall within a horizontal plane of a width equal to and containing the horizontal diameters of the tractor rear wheel tires, the rear wheel tire which is nearer the mower-conditioner being nearer to the nearest cutter trajectory than to the nearest conditioning rotor bearing.

Abstract: A rotary mower cutter having a reciprocably actuated cutter-bar mounting axially spaced thereon for rotation a plurality of rotary discs constituting cutters. The discs are each provided with pivoted eccentric masses responsive to rotation of the discs to develop a flywheel movemment on each disc cutter.

Abstract: A disc mower which is silent in operation and simple to maintain. The mower comprises a casing (1) on top of which is mounted at least one pair of rotatable cutter discs (8) driven by a belt transmission (9) housed within the casing (1). The casing (1) has a base portion (3) and an upper portion (2) hingedly connected together along one edge and releasably secured together by a plurality of skids (33-37) which in use are contactable with the ground to support the mower.

Abstract: A mowing machine adapted to be connected to a three-point lifting device of a tractor and powered by a power take-off therefrom, the mowing machine extending laterally to the side of the tractor and having two mowing assemblies, each of which includes a rotor which is powered by a gear chain and belts from the power take-off and is mounted by bearings to rotate about a substantially vertical axis which also contains a stationary shaft having the same longitudinal axis as the axis of rotation of the rotor. The vertical stationary shaft has a non-rotatable ring gear at its lower aspect which is surrounded by the rotor which, by a cover plate on its underside supports spur gears which mesh with the ring gear and also cutting elements, the arrangement being that the cutting elements rotate much faster than the rotor and are caused to rotate by the meshing of their individual spur gears with the ring gear.

Abstract: The disclosure is of a mower comprising cutter discs each driven from beneath by a transmission in a housing containing lubricant and made to be fitted onto a support plate by a displacement perpendicular to the plane of the plate and then secured by fixing elements which extend perpendicularly to said plane, the housings being interchangeable and lubricant-tight irrespective of the presence of the transmission means.

Abstract: Tractor-drawn agricultural mower has three crop-cutting rotors rotatable about vertical axes and carrying crop-feeding drums. Two of the rotors contra-rotate inwards to feed cut crop between them. The third rotor is offset rearwards from a straight line intersecting the axes of rotation of the other two rotors and rotates in the same direction as the rotor adjacent it so that the crop which it cuts passes behind the adjacent rotor and towards the crop which has passed between the other two rotors, whereby a single swath of crop is produced by the mower.

Abstract: The present invention relates to a harvesting machine such as a mower-conditioner and comprises a header with a subframe, the subframe comprising a transverse upperbeam, opposed downwardly-extending legs connected thereto, and a lower transverse beam interconnecting and extending between the legs; the upper and lower beams and the legs together forming a rigid, generally rectangular structure. The header further also comprises at least one rotatable cutter unit having a mounting shaft detachably mounted between the upper and lower beams at a location inbetween the legs.

Abstract: A mowing machine has mowing units that are connected to a tractor's three point lifting device or devices at the front and/or rear side of the tractor. The units can be pivoted to an intermediate frame portion to extend laterally of that portion and hydraulic assemblies are connected to pivot each unit to a raised inoperative or transport position. The units each include a respective reciprocating cutter bar, and a crushing device with guides to move cut crop to the device. A drum mower can be positioned between the cutter bars. In another arrangement, a further unit can be attached at the front, with respect to the direction of machine travel. The frame portion includes beams that can form a sliding support for the frame portion and the units pivoted to that portion. Each unit can have vertical side walls and a driving transmission. Swath boards on the rear of each portion guide crop away from the tractor wheels.

Abstract: A mowing device includes at least a pair of cooperative rotary cutting mechanisms. Each cutting mechanism comprises a driven carrier and at least one cutter pivotally connected thereto and projecting radially therefrom. Mounted below each carrier is a cutting plate having a cutting edge above which the associated cutter sweeps. The cutting edge of the cutter normally lies along a line which defines an acute angle with at least portions of the cutting edge of the cutting plate so as to effect a scissors action therewith, and which line also is angularly offset by more than 90.degree. with respect to a line passing through the center of gravity of the cutter and the axis of rotation of the carrier.

Abstract: Agricultural mower has vertical axis crop-cutting rotors mounted for floating vertical movement relative to semi-mounted mower frame. Draught forces are transmitted to each rotor through a draught member below the rotor on which the rotor is journalled. The draught member projects rearwards beyond the cutting circle of the blades and is connected to the frame by an upwardly-extending structure including a parallelogram linkage.

Abstract: A semi-mounted or trailed agricultural mower has vertical axis crop-cutting rotors and a rigid rectangular open frame mounted above the rotors to support the rotors. The frame has at one end a ground-engageable support wheel secured to a rear beam of the frame and at the other end a headstock secured to a front beam of the frame. At least one of the rotors is trailed from the front beam on a linkage permitting the rotor to rise and fall relative to the frame.

Abstract: The present invention relates to pull-type harvesting machines such as mower-conditioners and comprises a main frame fitted with ground-engaging wheels, a header adjustably mounted on and forwardly of the main frame and comprising drum type mower units, lifting means operable to move the main frame relative to the ground and the header relative to the main frame and an arched drawbar pivotally attached to the main frame and pivotable over the header from a machine operative position to a machine transport position and vice versa.

Abstract: A grass edger and trimmer attachment for a power mower including a vertical trimmer shaft mounted in a bearing fixed to the side of the mower housing, the trimmer shaft being driven by a pulley which is belt-driven by the mower engine, and the trimmer shaft supporting a trimmer hub carrying flail members at a level below the skirt of the mower housing, and the attachment further including an arm hinged to the housing and carrying an edger shaft with a drive roller thereon and an edger hub at its outer end with flail members fixed to the periphery of the hub, the drive roller engaging the trimmer drive pulley and being driven thereby when the arm and the edger shaft are substantially horizontal, but the arm being tiltable about the hinge to an elevated position wherein the roller is disengaged and the edger hub and flail members are raised out of operative position.

Abstract: The disclosure is of a front deflector for a mower having cutter-carrying discs driven from beneath, the deflector having an edge to co-operate with a frustoconical element which it partly surrounds, said edge having its lower extremity above the rear outer part of the outer disc cutting zone and its upper extremity substantially above the forward part of said zone, the distance between the upper part of the outer disc and said edge increasing from the lower extremity to the upper extremity of said edge.

Abstract: A drive for a mower of the type having a multiple number of vertically disposed drum cutters. The cutting elements are at the bottom of each drum and cut in a horizontal plane. A horizontally disposed pneumatic tired wheel is associated with and acts to impart rotation to each of the drum cutters. External drive is imparted to effect rotation of one of the pneumatic tired wheels. The other pneumatic tired wheels are mounted to have frictional circumferential engagement with each other and with the driven wheel to cause all of the wheels to be driven.

Abstract: A mowing machine is connectable to a tractor's lifting hitch and power take-off. A row of rotors is mounted along the length of a laterally extending support that includes an elongated supporting plate pivoted to the main frame. The supporting plate can be an integral plate profiled to have an upwardly extending front and a channel section. Each rotor includes an upwardly extending shaft splined to a gear positioned beneath a hub and a cutting member. The drive to each rotor can be meshed gear wheels readily removable and replaceable as a unit or an elongated driving shaft housed in the channel section. The unit enclosed gear box can house all of the gear wheels or individual gear boxes can be fixed to the supporting plate. The cutting members can be then one or two blades or wires per rotor that are freely pivotable about upwardly extending axes located a substantial distance from the respective shafts which define the axes of rotation of the rotors.

Abstract: A mowing machine is connectable to a tractor's lifting hitch and power take-off shaft. A row of rotors is mounted along the length of a laterally extending support plate that is pivoted to the main frame. Each rotor includes a hub and cutter member assembly on an upwardly extending shaft engaged by a driving assembly. The driving assembly can be an elongated shaft that passes through a gear box for each rotor that is fastened to the support plate or a series of meshed gear wheels housed as a readily replaceable unit in a gear box and journalled to the support plate. The assembly includes a single blade pivoted to each hub eccentric with respect to the axis of rotation of the respective rotor and a counter balancing component. Reduction gearing interconnects the power take-off shaft to the shafts of the rotors through a main gear box to revolve their blades at high rates of speed, i.e. at least 6000 and preferably 8000 to 10,000 r.p.m.

Abstract: Disclosed is a lawn mower having several pairs of rotatable blades attached to a rotatable frame. The rotatable frame is motor driven, and centrifugal forces cause a frictional engagement between blade driving means and a portion of the frame so that each pair of the blades assume a planetary rotary motion, yet are capable of movement away from obstacles. Each pair of blades consists of two overlapping circular blades that are in frictional engagement with each other and rotate in opposite directions to effect a cutting action.

Abstract: A spreading device is disclosed which is particularly suitable for use with drum mowers. The spreading device includes a crop divider of a unique shape and configuration which extends in front of the forward mowing direction of the mower and which is positioned between the two mower drums, or between each pair of mower drums in a large scale mower. The crop divider includes two fins extending in an angled relationship with respect to a main body portion thereof forming a Y-shaped configuration when viewed from the top. A pair of feeder chains is connected to each of the drum mowers in the pair for moving the cut crop through the mower and adjacent to the crop divider fins.

Abstract: A mowing machine of the offset rotary type wherein an assembly of rotary blades is carried by a frame movable along a surface bearing grass or foliage and including an additional rotary mower blade carried by a swinging arm at one end of the machine frame. The swing arm is held in a forward position by biasing springs, and it is moved to a rearward position to direct the additional blade around obstacles such as tree trunks and fence posts by retraction of an hydraulic cylinder, the rod end of which is coupled through a slack coupling to the swing arm. Operation of the hydraulic cylinder can be under manual control by the person driving the mowing machine, and it can be automatic in response to operation of a sensing element carried by the machine frame forwardly of the swing arm for detecting obstacles by contact.

Abstract: A mowing device comprises a housing extending transversely of the direction of movement of said device, a plurality of cutting members rotatably journalled on said housing and a driving gear accommodated in said housing for driving the cutting members, each cutting member comprising at least one ring skimming the top side of the housing and at least one cutter fastened to the periphery and the top side of said ring. In order to prevent that the ring of the rotating cutting member cuts into the soil when the mowing device strikes a small hill, a ground scanner is secured to the housing and extends forwardly away from the housing beneath a cutting member.

Abstract: Streaking is eliminated in a rear discharge twin-bladed grass cutter by a baffle between the two blades.

Abstract: A lawn mower for cutting grass, comprises a frame having an open bottom and being closed on the sides except for a lateral discharge opening. A drive motor is supported on a top closed cover of the frame, and it includes a drive shaft which drives a rotatable cutter disc which is rotatably supported on a support member of the frame. At least one second cutter disc in the form of a counterdisc is supported on the support member superjacent the first cutter and overlapping a portion of the periphery thereof so that the cutting action on the grass is improved by the interaction of the first cutter and a second countercutter. In the preferred arrangement, the support member is formed in the form of a disc or a blade which is also rotated and it carries a transmission for rotating at least the cutter and preferably also the countercutter and at a speed which is different from the cutter speed. Preferably, a plurality of cutters and counter-rotating cutters are supported on a rotatable support member or blade.

Abstract: In a mowing machine of the kind comprising a frame adapted to be mounted on a tractor three-point linkage, and a plurality of cutting units connected to the frame, including at least two laterally spaced side cutting units and a center cutting unit positioned so as, in use, to cut the swath between the two swaths cut by the side cutting units, the side cutting units are mounted directly on the frame, so that in use part of the weight of the frame is supported by the side cutting units, and the center cutting unit is mounted at the rear end of a mounting arm connected to the frame by a universal joint, biasing springs being connected between the frame and the mounting arm to increase the pressure exerted on the ground by the center cutting unit so that it takes some of the weight of the frame from the side units and ensures uniformity of cut. The universal joint between mounting arm and frame also allows the center unit to take the optimum line when the machine follows a curved path.

Abstract: A cordless twin blade electric lawnmower having substantially improved performance and efficiency is disclosed. The lawnmower includes a pair of spaced counter-rotating cutting blades, a pair of motors driving each of the respective blades and a battery for energizing the motor under the control of a switch. The housing of the lawnmower is supported on wheels and provides a passageway comprising a helical convolute for each of the respective blades. The two convolutes join in the center of the mower and provide a continuing passageway into a rear mounted bag. The front of the bag is partially closed by a chute which, when the bag is not present, automatically falls into a guard position wherein all air flow, objects and grass are directed downwardly at the rear of the motor. The guard also provides, in this position, for distribution of the grass across the width of the mower span.

Abstract: Disclosed herein is a rotary lawn mower comprising a blade housing supported for travel in adjacent relation to the ground, a first rotary cutter blade supported for rotation within the blade housing, a second rotary cutter blade supported for rotation within the housing about an axis located in laterally rearwardly offset relation from the rotary axis of the first cutter blade and for clipping discharge from the rotary path of the second cutter blade into the rotary path of the first cutter blade, and a grass clipping discharge arranged for delivery thereto of clippings solely from the rotary path of the first cutter blade.

Abstract: An agricultural implement having a transversely extending horizontal frame beam which is composed of pivoted sections. The pivots are located at a substantial spacing under the frame beam sections and connected to the frame beam sections by arms which extend obliquely downwards from the ends of the frame beam sections. The sections may be lifted by hydraulic rams. If the implement is mounted at the front of a tractor via a three point linkage, the lower links of said linkage are slidingly extensible.

Abstract: Disclosed is a lawn mower having several pairs of rotatable blades attached to a rotatable frame. The rotatable frame is motor driven, and centrifugal forces cause a frictional engagement between blade driving means and a portion of the frame so that each pair of the blades assume a planetary rotary motion, yet are capable of movement away from obstacles.

Abstract: An upright cordless grass trimmer incorporated incoporates fixed multi-toothed bottom blade and plural sets of top blades which oscillate over the bottom blade to achieve cutting. The sets of top blades are driven by a motor through a gear and cam mechanism and are synchronized so that one top blade set cuts at a different time in the cycle from the other set to achieve a counterbalancing and load leveling effect. A clutch mechanism absorbs abrupt blade stoppage and shock situations and a rechargeable battery pack is releasably received by an elevated cavity in a shroud which mounts over the motor and drive mechanism. An upright handle and electrical control means are attached to the trimmer which allows the operator to operate the trimmer in an upright position.

Abstract: Apparatus for attachment to and propulsion by a vehicle for the purpose of cutting vegetation, particularly shrubs and small trees. A plurality of generally planar, circular-toothed cutting members are supported on the underside of a housing and with each cutting member positioned in a generally horizontal plane with its forward edge extending forwardly of the housing. The cutting members are so arranged that their toothed cutting edges which extend forwardly of the housing jointly form an unbroken cutting line. The cutters are rotated in such a manner that those cutters which are disposed to the left side of a center line of the apparatus are rotated in a counterclockwise direction while those which lie to the right of the center line are rotated in a clockwise direction, thereby facilitating the conveying of the cut vegetation to either side of the apparatus and away from its center portion.

Abstract: An agricultural implement is convertible from a soil tilling cultivator having a row of detachable soil working members having rotatable supports by removing some or all of the soil working tools and attaching mowing or cutting tools having one or more horizontally extending blades, to only some of the rotatable supports, at spaced apart intervals along the row. The bladed tools have detachable carriers and each of the tools has at least one group of blades with leading edges that are rotated in circular paths which overlap the paths of those blades on adjacent tools. The rotary tools can have spaced apart groups of blades at different vertical levels and guide surfaces or further cutting or mowing elements mounted between adjacent tools. Also, the bladed tools can be fastened to alternate supports or every third support to rotate in the same or opposite directions from adjacent bladed tools.