Abstract: A mowing machine comprising a main frame has a plurality of driving units and intermediate pieces which are mounted alternately on a tie member. The tie member is under tension thereby pressing the driving units and the intermediate pieces together to provide a main frame which is substantially rigid. The driving units have cutting units with flexible hoods which are driven by a drive shaft through beveled gearing. The drive shaft is an elongated resilient rod of narrow diameter which is capable of substantial torsional displacement before its yield point is reached. The direction of rotation of each cutting unit can be reversed by removing the gear received on the driving shaft and turning it around.

Abstract: A gang mower assembly comprising a rigid frame elongated in the direction of forward movement of the assembly, the frame including a forward end portion, a central portion, and a trailing end portion. A central rotary mower deck is disposed adjacent the central portion and a universal joint for connecting the central deck to the central portion for at least limited universal movement relative to the frame about axes generally parallel to the frame and generally perpendicular to the frame is provided. The assembly further comprises at least one outboard rotary mower deck and at least one inboard rotary mower deck, and ground-engaging wheels for individually supporting each deck for independent movement relative to the frame. Each of the decks comprises a rotary blade assembly defining a centrally located, upwardly extending rotary axis and pulleys mounted on the axis to provide an input drive for the blade assembly.

Abstract: A mower having a frame that supports, by means of connecting elements, a cutting element equipped with cutting tools. A rotary drum extends in part at least above the rotary cutting element. A device for driving the rotary cutting element and or the rotary drum, and at least a part of the connecting elements penetrate inside the rotary drum by passing through its upper part. On the upper part of said rotary drum there is mounted a plurality of rotary push-back blades.

Abstract: A mower to be moved by a motorized vehicle includes a frame supporting a number of working elements (cutting elements combined or not with processing elements). These working elements are arranged crosswise to a direction of advancement of the motor vehicle and mower during work. Two cutting bar parts, one on each side of a central plane of the mower, carry the cutting elements and their associated drive structure. The two cutting bar parts are connected to one another rigidly and reliably. An arrangement of transmission shafts, bevel gears, and universal joints is provided for transferring rotating motion from a power source to the working elements of the mower.

Abstract: A mower suitable for attachment to a vehicle having a raisable hitch. The mower includes a body adapted to carry a plurality of cutters. A draw bar attaches one end of the body to the hitch for being raised and lowered by the hitch. The body extends laterally outward of the vehicle when in the mowing position. One or more wheels are pivotally mounted to the body by one or more arms, said wheels being located on the body laterally of and remote from the vehicle when the mower is in use. A lever arm is mounted to move with the hitch. A connector connects the lever arm to a fixed point on the vehicle. A linkage transmits movement of the lever arm to the wheel mounting arms to raise or lower the body of the mower with respect to the wheels in response to the raising or lowering of the end of the body adjacent the draw bar.

Abstract: A riding mower includes a frame, front steering wheel, two rear wheels and two mower blade housings located laterally relative to the frame with blades located within the housings. Telescoping drive shafts extend generally longitudinally from a belt drive mechanism located at a rearward end of the frame to the blade housings to drive each of the blades within the housings. Hydraulic cylinder assemblies and a leveling system are provided to pivot the frame with respect to the rear wheels and about a longitudinal axis in response to changes in slope of the surrounding terrain, maintaining the frame in a generally upright orientation. The telescoping drive shafts extend and retract in response to the angular movement of the frame with respect to the blade housings that remain close to the ground surface.

Abstract: The invention relates to a mowing machine provided with a hollow frame beam and with a plurality of mowing devices supported by the frame beam. The mowing devices are rotatable about axes of rotation extending upwardly and parallel to each other and can be driven by way of a driving belt provided in the frame beam and pulleys, located in the frame beam, which are coupled to the mowing devices. The axes of rotation of the mowing devices slope upwards during operation, when seen in the intended direction of movement, relative to a vertical plane extending in the direction of movement. Stubs are secured to the bottom plate of the frame beam, on each of which stubs there is journalled, by way of bearings a driving mechanism secured to a mowing device.

Abstract: A rotary lawn mower having a trimming attachment for trimming around fence posts and the like is provided. The trimming attachment assembly includes an auxiliary trimming blade mounted in a housing and attached to a swing arm assembly mounted on the primary mower housing. In the forward position, the trimming attachment extends outwardly from, but slightly overlaps, the mowed path of the primary mower. The trimming blade preferably is driven by the primary mower motor. As a fence post or the like adjacent the primary mower is encountered by the trimming attachment assembly, the trimming attachment assembly is pushed rearwardly by the obstruction and swings into the mowed path of the primary mower, during which process the grass near the fence post is cut. As the fence post or other object is passed, an actuator assembly forces the trimming assembly back into its original forward auxiliary cutting position.

Abstract: A mowing machine provided with a frame and a plurality of mowing members provided with mowing knives. The mowing members are supported by the frame and are rotatable about upwardly extending axes of rotation. Supporting members are arranged under the mowing members are vertically adjustable relative to said mowing members, and are secured to upwardly extending carrier shafts. Above the mowing members a substantially horizontally extending driving shaft is journalled in the frame and coupled to each of the carrier shafts by means of a transmission mechanism in such a manner that the transmission mechanism a rotating movement of the driving shaft is converted into a movement of the carrier shafts parallel to the axes of rotation of the mowing means.

Abstract: A construction having two separately operable mowers driven by a single tractor unit. The tractor drives our double gear box, which is operably connected to drive two laterally spaced separate gear boxes, each of which drives grass cutting blades. Each of the two mowers has four wheels at the rear to permit elevating or lowering the grass cutting blade to control the degree of cut. With this construction it is possible to cut the grass regardless of the elevation of the grass. One of the units can be mowing the grass on a horizontal portion of a bed, while the other unit is operating on the slope of one of the beds. It is also readily possible to mow the grass at the bottom of the v shaped area between two beds.

Abstract: A cutterbar for a rotary mower includes a gear housing containing a series-parallel spur gear train coupled for driving cutting units spaced along the cutterbar. The gear housing, as viewed from an end, defines a cavity which is wedge-shaped in cross section with the deep part of the wedge being located at the rear of the cutterbar. As considered when the cutterbar is leveled from end-to-end and disposed for cutting crop at a relatively high level, a top wall of the cavity extends substantially horizontally and the spur gears contained within the cavity are positioned close to and parallel to the top wall so that a substantial volume is left below the gears for containing lubricant. A plurality of fore-and-aft extending, transversely spaced ribs are formed along a bottom wall of the housing at a level below the gearing whereby the ribs serve to prevent the lubricant from moving quickly towards a lower end of the cutterbar when the latter is working on a slope.

Abstract: A cutterbar includes a plurality of modules connected in end-to-end relationship with each other, the modules respectively including identical cast gear housing sections which cooperate to form a gear housing in which is located a spur gear drive train. Each module includes a removably mounted cutting unit, with the cutting units having blade-carrying discs and being arranged such that the discs are indexed 90.degree. relative to each other and in counter rotating pairs, when an even number of units are used to form a cutterbar but being arranged such that the leftmost and adjacent blade-carrying discs rotate in the same direction when an odd number of modules are used.

Abstract: A rotary mower includes a cutterbar having a fluid-tight gear housing made up of a plurality of identical gear housing sections connected together in end-to-end relationship with each other. Each section is a casting including spaced apart top and bottom walls, the top wall being provided with a pair of circular openings and the bottom wall being provided with a pair of upwardly opening cylindrical receptacles respectively located in axial alignment with the pair of openings and having respective annular upper ends defining bearing seating surfaces. Each idler gear has a bearing received in a central bore thereof and the assembled idler gear and bearing is located in a housing section such that the inner race of the bearing rests on a selected one of the seating surfaces and is held in place by means of a stub shaft tightly received in the bearing and in a selected one of the receptacles and having an enlarged head which is tightly received in the opening which is aligned with the receptacle.

Abstract: A mowing machine comprises a main frame (6) made up of driving units (36) and intermediate pieces (35) which are mounted alternately on a tie member (42). The tie member (42) is placed under tension, so pressing the driving units (36) and the intermediate pieces (35) together to make the main frame (6) substantially rigid. The tie member (42) is positioned substantially centrally of the driving units (36) and the intermediate pieces (35) so as to provide even loading of their mating faces. The driving units (36) have cutting units (8) with flexible hoods. The cutting units are driven by a drive shaft (41) through bevel gearing (46, 47). The direction of rotation of each cutting unit (8) can be altered by removing the gear (46) and replacing it to the other way round.

Abstract: A combine or power unit attachment by which two disc mower-conditioner units are attached to and driven by a combine with the mower-conditioners being arranged at slight opposing angles and in slightly staggered relation for discharge of the cut material in side-by-side relationship to form a single windrow. The mower-conditioners attached to the combine are in and of themselves a known structure and the combine or power unit in and of itself is a known structure with the attachment enabling the mower-conditions to be connected to, supported from and driven from the feeder housing on the combine with the attachment including a supporting framework that is quickly and easily attached to and removed from the feeder housing, a drive connection extending from each side of the feeder housing and a control mechanism for controlling the attitude of the mower-conditioners.

Abstract: A mobile harvester of leafy produce has two harvesting sections with a cutter located forwardly for severing the produce from the ground. A continuous belt having a large number of openings moves in a closed path presenting an upwardly facing surface. A low pressure plenum underneath the belt provides a vacuum attraction to the belt upwardly facing for picking up severed produce. An enclosure ove the belt protects against wind removal of produce leaves from the belt. The two harvesting sections are individually adjustable for proper height above the ground.

Abstract: A mowing machine that extends laterally from a tractor and is an assembly of carrier parts, supporting and spacer housings, normally held together by two tensile bars. In the principal embodiment, the first tensile bar is received through the carrier parts at about the same level as the mower's drive shaft where the front of the supporting housing curves to form its bottom. The second tensile bar is similarly situated at the rear of the supporting housing about three or four times farther, however, from the drive shaft. In another embodiment, the first tensile bar is seated in a continuous internal groove and the second tensile bar in a second continuous internal groove, both grooves conforming to the bars' curvature as seen in cross-section. External outwardly facing grooves in another embodiment are defined by supporting and spacer housings. In an embodiment having only one tensile bar, the groove extends from the bottom to the housings' center.

Abstract: A mowing machine comprising a cutter bar having rotary mowing members arranged thereabove. The cutter bar is connected for its support in two places to a carrier frame. One of these connections includes a flexible member, constituted by a resilient element, which permits relative limited movement between the carrier frame and the portion of the cutter bar that is contiguous to the connection. The resilient connection can be attached to a mowing member mounted on the cutter bar or outside the reach of the mowing members by means of an upwardly extending connection beam which is rigidly connected to the carrier frame at its upper end and is connected to the cutter bar at its lower end via a horizontal resilient element.

Abstract: A mower having a plurality of rotary cutting elements each of which is provided with at least one cutting tool. At least one of the rotary cutting element is driven by a transmission means housed in a housing located under the rotary cutting elements. The housing is composed of cases in which the rotary cutting elements are guided in rotation, and a brace element determines the distance between each two adjacent cases. The housing is made up of at least one module formed by a case and a brace element formed integrally with the case. The front edge of each of said brace elements is pointed over at least a part of its length. At least said at least one rotary cutting element is mounted on a shaft guided in rotation in the bore of a bearing cylinder.

Abstract: A mower including a housing and an assembly for fastening guiding and driving bearings to an upper part of the housing. The assembly includes plural bolts each fastened to a holding element which holds each bolt approximately in its appropriate position and which prevents rotation of each bolt during the tightening or loosening of the nut. The bolt and its holding element constitute a removable assembly.

Abstract: A V-belt guide is provided for the drive belt of a vehicle-implement combination wherein the implement is capable of vertical up and down floating movement relative to the vehicle. The guide is positioned above the strands of the belt, just ahead of the drive pulley, and serves to restrict the angle at which the belt strands can enter into and exit from the drive pulley. The guide takes the form of a plate having a gently curving surface around which the belt is guided into or out of the drive pulley. Vertically projecting members are attached to the guide plate and restrict excessive lateral movement of the belt strands.

Abstract: A rotary cutter or mower implement for cutting crop materials. The rotary cutter has a housing with support skids on each side of the housing. Presser wheels are positioned in front of the support skids. The support skids and presser wheels are vertically adjustable relative to the rotary cutter housing.

Abstract: A mower having a frame that supports, by means of connecting elements, a cutting element equipped with cutting tools. A rotary drum extends in part at least above the rotary cutting element. A device for driving the rotary cutting element and or the rotary drum, and at least a part of the connecting elements penetrate inside the rotary drum by passing through its upper part. On the upper part of said rotary drum there being mounted a plurality of rotary push-back blades.

Abstract: A mower has features that allow it to mow directly over a flexible marker shaft without damage to the shaft. The mower has front and rear rollers mounted directly in front and behind each blade. These rollers engage the ground in rolling contact and support the housing. The rollers are spaced together a distance less than the height of the marker. The front roller contacts the marker and causes it to bend over. Before the front roller leaves the marker, the rear roller will be in contact with the marker to keep it in a prone position until the mower passes from the marker.

Abstract: A mowing machine has a plurality of drive housings that are associated with the cutting units. Each unit has a carrying shaft that rotates a carrying unit which includes a carrying arm, cutting blades, and a covering disc. The carrying shaft is connected by gearing, located within the sealed drive housing, to the mowing machine's drive shaft. When the machine is in operation, the resulting friction within the drive housing causes the lubricants and air therein to expand. A channel is provided in the carrying shaft that opens at its lower end into the drive housing and at its upper end at the top of the carrying shaft under a conically configured cup spring, into a space which is not sealed from ambient pressures. The channel thus functions as a pressure vent to the otherwise sealed drive housing and permits the lubricants and air therein readily to expand and contract.

Abstract: A mower including a cutting device connected in an articulated manner to a frame, the cutting device including two groups of mowing elements and each one of the two groups of mowing elements including drive elements. A transmission means transmits movement from a driving source to the drive elements of each one of the two groups of mowing elements. The transmission means includes an input means located at least approximately in the middle of the frame seen crosswise to the direction of work and movement distribution means for distributing the movement of the input means to the drive elements. The two groups of mowing elements are connected rigidly to one another, and the cutting device is connected to the frame by a deformable quadrilateral device. The drive elements of each one of the two groups of mowing elements include a transmission that extends over the one of the mowing elements located on the outside end of the corresponding group of mowing elements.

Abstract: A disc cutter forming a part of a disc cutterbar used on harvesting implements such as disc mower-conditioners is configured to permit a movement of the disc member relative to the driven shaft on which it is mounted. The disc member, which carries knives for rotation within a path of travel at a generally high speed to sever standing crop material by impact action, is clamped in a split hub by a spring-loaded fastener. At least one-half of the split hub is affixed to the driven shaft for rotation therewith. The disc member is frictionally held in place by the spring-loaded fastener which permits movement of the disc member relative to the split hub upon impact with a substantial object restricting rotative movement. The spring-loaded fastener can be in the form of an assembly of cupped washers compressed by a nut threaded onto the driven shaft of the disc cutter.

Abstract: A disc cutterbar for use on a harvesting implement such as a disc mower-conditioner is driven by an endless belt entrained around sheaves corresponding to each disc cutter within the transmission casing. To prevent interference between overlapping knives on adjacent disc cutters, alternating disc cutters are obliquely mounted on the transmission casing and positioned slightly forwardly of adjacent upright disc cutters so that the path of travel of the knife thereon is within a plane spaced vertically within the overlap area relative to the path of rotation of the knives of the adjacent upright disc cutters. The obliquely mounted disc cutters are positioned such that the forward periphery of the path of rotation of the knives thereof is in substantially the same plane as the path of rotation of the upright disc cutters so that the disc cutterbar will attain a substantially uniform level of cut.

Abstract: A disc cutterbar for use on a harvesting implement, such as a disc mower-conditioner, is driven by an endless timing belt entrained around toothed sprockets corresponding to each disc cutter within the transmission casing. The positive engagement between the toothed timing belt and the corresponding toothed sprocket provides a means for timing the rotation of adjacent disc cutters to minimize the possibility of interference between rotating knives. The toothed timing belt, however, is capable of movement relative to the toothed sprocket should the corresponding disc cutter become restricted in its rotation, such as by impact with a substantial object.

Abstract: A cutting bar 2 is connected to the frame 13 by at least one additional connecting element 16. On each side of the additional connecting element 16 is provided a transport element 101, 100, 29 rotating around an axis pointed upwardly. The direction of rotation of the transport elements 101, 100, 29 is such that their movements of rotation diverge toward the front. The front edge 46 of the additional connecting element 16 extends toward the rear and downwardly to the vicinity of the cutting plane 31 of the cutting elements 10 and in the operational zone of the transport elements 101, 100, 29 located on both sides of the additional connecting element 16.

Abstract: A mower bar is disclosed having rotating cutters driven by vertical drive shafts and associated gearing. The mower bar includes an air duct along its forward edge and at each rotating cutter. Air ducts are also included in each cutters' centered dish portion.

Abstract: An angle drive assembly for rotary cutters embodies a basic housing having an output shaft mounted for rotation therein. A cap housing is rotatably coupled in sealed relationship with the basic housing by the cooperation of a peripheral annular member at one end of the basic housing with an annular seat member carried by the adjacent end of the cap housing with there being a seal interposed between the basic housing and the cap housing at the area of coupling. An input shaft is mounted for rotation in the cap housing and is operatively connected to the output shaft.

Abstract: A mowing machine comprising at least three mower members which are arranged rotatably about substantially vertical axes on a supporting beam containing drive means. The drive means includes a rotating torsion shaft which is driven at both ends thereof and carries gears for driving the mower members.

Abstract: A mowing machine adapted to be towed by and in laterally displaced relation to a tractor. The mowing machine has an undercarriage frame and a cross beam to which a plurality of cutting tools are mounted for rotation about vertical axex. Cutter blades are connected to the lower ends of the cutting tools. The cutting machine is connected to the tractor by means of a pivotable tractor hitch and the cutting tools are driven by a drive shaft interconnecting a power take-off shaft of the towing tractor and a gear box on the cross beam. The gear box is pivotally mounted on a middle part of the cross beam and the drive shaft is connected with the gear box by means of a support joint having forked parts pivotally interconnected on a horizontal axis.

Abstract: A rotary mower having a central section and extension wings or end sections relatively pivotably movable upwardly and downwardly with respect to the central section. Each of the sections includes a plurality of cutting units mounted for rotation about vertical axis to provide a horizontal cutting plane across the width of the mower when the extension wings are in a lower or mowing position. Each cutting unit is carried on a horizontally disposed pneumatic tire wheel. An external drive rotates one of the tire wheels. The other tire wheels are mounted in frictional circumferential engagement with each other and the driven tire wheel so that all wheels are driven in the mowing position. When either of the extension wings is pivotally raised to a position greater than approximately 30.degree. relative to the center section, its tire wheels are moved out of frictional engagement with the tire wheels of the center section so that its cutting units are rendered inoperable.

Abstract: The mower comprises at least two mowing groups 6, each of the at least two mowing groups 6 being composed of a cutting bar 8 equipped with cutting elements, the cutting bars 8 being connected to one another by a joint 9 and the mowing groups 6 being connected to the chassis 1 by a suspension device 12, 20, 18; 12, 20, 39. The suspension device 12, 20, 18; 12, 20, 39 comprises an intermediate structure 12 movably connected to the chassis 1 by a connecting device 18; 20, 39. Each one of the at least two mowing groups 6 is connected to the intermediate structure 12 by a joint 16 having an axis at least approximately perpendicular to the vertical plane containing the longitudinal axis of the corresponding cutting bar 8. The joints 16 are capable of movement in the direction crosswise to the direction of work 25 in relation to the intermediate structure 12.

Abstract: A rotary mowing device is provided, such being of the type including a plurality of rotary cutter units mounted in substantial in-line relationship with each other and in association with a frame assembly in order that the cutter bar assembly is disposed in a folage-cutting relationship with respect to the ground. Included is a cutter bar assembly having a plurality of rotary cutter units mounted in generally alternating manner with a plurality of spacer units. These alternating units are joined together at their respective leading edge portions and trailing edge portions in order to provide a cutter bar assembly that is easily assembled and disassembled for construction, repair and maintenance procedures.

Abstract: A mowing machine having a mobile frame, made up of a portion including the mower units and a support frame, which can be coupled by means of a pivotal arm to a prime mover. During operation, the mobile frame is located behind and offset to one side of the prime mover. The pivotal arm carries drive means for driving the mowing machine through the PTO-shaft of the prime mover. The pivotal arm is constructed so that it may pivot over a broad range of angles thereby facilitating turns. To accomodate the construction of the pivotable arm, the drive means may be divided into three sections interconnected by two universal joints.

Abstract: An improved disc cutter rotor assembly for use in a disc cutterbar of the type utilizing a plurality of intermeshed gears to transfer rotational power is disclosed wherein the rotor assembly provides a low profile to facilitate the flow of crop material over the cutterbar, yet permits the individual components of the rotor assembly to be serviced and/or replaced. The hub and shaft are of welded construction and are rotatably mounted within a bearing housing affixed to the transmission casing for mounting a removable bearing assembly. The drive gear for the rotor assembly is splined onto the shaft and retained in place by a fastener and washer assembly to permit the drive gear to be removed from the shaft. A sealed hole in the bottom of the transmission casing permits access to the fastener and washer assembly to permit the drive gear to be removed from the shaft before removing the rotor assembly from the transmission casing.

Abstract: A mower having a plurality of rotary cutting elements each of which is provided with at least one cutting tool. At least one of the rotary cutting element is driven by a transmission means housed in a housing located under the rotary cutting elements. The housing is composed of cases in which the rotary cutting elements are guided in rotation, and a brace element determines the distance between each two adjacent cases. The housing is made up of at least one module formed by a case and a brace element formed integrally with the case. The front edge of each of said brace elements is pointed over at least a part of its length. At least said at least one rotary cutting element is mounted on a shaft guided in rotation in the bore of a bearing cylinder.

Abstract: A mowing machine that extends laterally from a tractor and is an assembly of carrier parts, supporting and spacer housings, held together by one or two tensile bars. If there is only one tensile bar, it is received through the carrier parts at about the same level as the mower's drive sahft where the front of the supporting housing curves to form its bottom, such curve conforming to the radius of the tensile bar and defining a continuous internal groove therefor that conforms to the bar's curvature as seen in cross-section. If there are two tensile bars, the other is similarly situated in a continuous internal groove at the rear of the supporting housing about three to four times farther, however, from the drive shaft. External outwardly facing grooves in another embodiment are defined by supporting and spacer housings. For only one tensile bar, the groove extends from the bottom to the housings' center.

Abstract: A cutting unit for a mowing machine which is driven by means of beveled gears contained in a drive housing. The cutting unit, which includes a rotatable disc mounting pivotal cutting blades is resiliently attached to the units' upwardly extending drive shaft emerging from the drive housing where power is transferred thereto from the mowing machine's generally horizontal drive shaft.

Abstract: An improved disc cutterbar construction is disclosed wherein the cutterbar casing is provided with a rearwardly extending flange and a plurality of forwardly projecting mounting tabs. A wear plate is connected underneath the casing by fasteners extending through the flange and other fasteners interconnecting brackets on the wear plate and mounting tabs on the casing. Semi-circular guards are detachably connected by fasteners engaged with mounting arms forwardly extending from the wear plate. Skid shoes are provided with a hook portion that engages into a slotted opening in the guard members and are fastened to the casing flange by the fasteners connecting the wear plate to the casing.

Abstract: The invention relates to a device for mowing agricultural crops, particularly grass, provided with an elongate mower bar pulled in transverse direction over the field and having a number of dish-like carriers having at least two upstanding pins, adapted to be attached with respect to the carrier, around each pin a cutter blade is releasably mounted for pivoting. The device according to the invention is distinguished in that the dish-like carrier is provided with a protruding arm for each pin, said arm having a front face, sloping up and backwards, with respect to the direction of rotation, said pin being arranged underneath and behind said front face.

Abstract: The rotary mower of the invention includes a housing (9) formed by modules (10) which have flanges (29, 30) making it possible to connect them to one another by means of assembly elements (28). The flanges (29, 30) are formed by at least two wings spaced from one another and directed forwardly. The flanges (29, 30) are formed by at least two wings spaced from one another and directed forwardly. The wings are connected by at least one connecting wing directed crosswise to the direction of advance (6) and connected to the body of module (10).

Abstract: A mower including a frame supporting, by means of connecting members, one or more rotary cutting elements equipped with cutting tools and surmounted by a rotary drum which is equipped with a casing. At least a part of the connecting members penetrate into the rotary drum. A device for drive the cutting element and the rotary drum includes a shaft and a hub connected in rotation to the shaft. The cutting element and the rotary drum are fastened to the hub, and the shaft and the hub extend partly at least into the rotary drum. The part of the connecting members penetrating into the rotary drum is connected to the shaft of the cutting element. The casing of the the rotary drum is formed by standards separated from one another by spaces and connected together at their lower part by a lower connecting element and at their upper part by an upper connecting element.

Abstract: The articulated vehicle of the present invention includes a front frame and a rear frame which are interconnected by a universal coupling joint which is capable of pivoting about a vertical axis and about a horizontal axis. Mower decks may be mounted on the vehicle and raised and lowered by hydraulic cylinders. Hydraulic cylinders are also used to cause articulated movement with respect to the front and rear frames about a vertical axis.

Abstract: A rotary mower with at least one rotary cutter unit rotated on a vertical axis by means of a drive shaft which has a first bearing hub secured to its lower end. A cutter disc is secured to the first bearing hub and a second bearing hub is coaxially and rotatably mounted on the first bearing hub. A rigid intermediate disc is secured to the second bearing hub so as to be disposed beneath the cutter disc. A skid disc on a third bearing hub is disposed coaxially beneath the intermediate disc in such a way that its central portion can be axially adjusted by means of an adjustment device to change the height of cut. The skid disc is elastically flexible with its outer rim engaging the outer rim of the intermediate disc in all positions of height adjustment.

Abstract: A mechanism for removing dirt and debris from the interior of a divider member mounted on the end disc of a disc cutterbar used in a disc mower-conditioner is disclosed wherein the dividers are provided with air inlet openings to permit the introduction of air into the interior chamber of the hat-shaped divider members. Each divider member is provided with a plurality of fan blades mounted to the top plate thereof to exhaust air from within the interior chamber and create a flow of air from the air inlet openings through the interior chamber and exciting a discharge opening formed between the divider top plate and a stationary cover mounted thereabove. This flow of air cleans the interior chamber of dirt and debris. An optional filter can be utilized to reduce the amount of dirt and debris permitted to enter the interior chamber through the air inlet openings.

Abstract: A mower comprising at least one mowing unit 1 provided with a cutting bar 2 on the upper face 8 of which are placed a plurality of cutting elements 5, 6, and 7 mounted to rotate around axes 15 directed upwardly with the aid of a plurality of shafts 9, 10, and 11 guided in rotation in a housing 4 of the cutting bar 2. A support structure 3 is placed at a certain distance above the cutting bar 2 and is connected to the cutting bar 2. The support structure 3 includes a beam 28 extending crosswise to the direction of advance of the mowing unit during use. The beam 28 is connected to a strut 29 extending downwardly in the direction of a cutting element 7. The strut 29 is connected to the shaft 11 by a bearing 132. The bearing 132 includes a cylindrical guide 31, 32 the axis of which is merged with the axis 15 of the shaft 11. A connecting device 35 connects the strut 29 to the beam 28.