| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 056249000 | Rotating cutting-reel type | 38 |
| 20080196377 | HEIGHT OF CUT ADJUSTMENT SYSTEM FOR REEL MOWER - A height of cut adjustment system for a reel type grass cutting unit includes adjustment screw mechanisms mounted at each corner of the cutting unit. Linkages between the adjustment screw mechanisms permit driving all of the adjustment screw mechanisms synchronously from a single adjustment point to change the cutting height. The linkages may be worm gear drives or other mechanical linkages. | 08-21-2008 |
| 20080245046 | Mowing Apparatus - A mowing apparatus for cutting vegetation is disclosed herein. The apparatus includes a reel mechanism and a cutting mechanism. The reel mechanism includes a plurality of reel bars. The reel mechanism rotates about a first central axis in a first direction. The cutting mechanism includes a plurality of cutting blades. The cutting mechanism rotates about a second central axis in a second direction opposite of the rotation of the first direction. The cutting mechanism is positioned eccentric to the reel mechanism wherein the first central axis is offset from the second central axis by a distance less than 10% of the diameter of a reel diameter. Each of the plurality of cutting blades is straight and each of the plurality of reel bars is helical. The reel mechanism and the cutting mechanism are configured to have at least one cutting blade of the plurality of cutting blades contact at least one reel bar of the plurality of reel bars during the rotation of the cutting mechanism about the second central axis such that vegetation is cut at a section of a rotary path of the reel mechanism that is greater than 10% of a circumference of the rotary path. | 10-09-2008 |
| 20090025356 | REPLACEABLE REEL BLADE SYSTEM - A reel mower assembly having a frame and a reel rotatably mounted to the frame. The reel is a casting having spatially separated end members and a plurality of cross members homogenously connected to the end members. One or more support rings can also be positioned between the end members and homogenously connected to the cross members. A drive is operable to rotate the reel about a reel axis. | 01-29-2009 |
| 20090100818 | ADJUSTABLE PIVOT AXIS FOR BEDKNIFE ASSEMBLY - A bedknife assembly for a reel mower cutting unit includes a cutting reel rotatably mounted to a frame, and a bedknife mounted to a bedknife support pivotally mounted to the frame in either a first position having a first pivot axis closer to the ground surface, or a second position having a second pivot axis further from the ground surface. The first pivot axis is further from the central axis of the cutting reel than the second pivot axis is from the central axis. The adjustable pivot axis may include a pair of eccentric pivot bushings mounted to the frame in either the first position or the second position. The adjustable pivot axis permits adjustment of the reel-to-bedknife gap after the reel is worn and its diameter is reduced, without dragging the bedknife on the turf, and extends the useful life of a cutting reel by increasing the adjustment range of the bedknife assembly. | 04-23-2009 |
| 20090126329 | Reel Weed Cutterhead - A reel weed cutterhead to cut aquatic vegetation has a shroud supporting cutting reels and bed knives. The reels have helical blades that cut vegetation parallel to the axis of rotation of the reel. The reels and bed knives work together to cleanly shear aquatic weeds. The shroud contains the weeds for disposal by a centrifugal pump. | 05-21-2009 |
| 20090183485 | Propulsion and stabilization struts for mower cutting deck - A mower has a frame that supports a rotary cutting deck. A height of cut system is provided for adjusting the height of cut of the deck. In addition, two longitudinal struts and a lateral strut connect between the frame and the rear of the deck. The longitudinal struts propel the deck in forward and reverse directions while the lateral strut provides lateral stabilization to the deck to prevent excessive side-to-side motion of the deck. Each of the struts is a simple elongated rod or bar having a hub at either end that contains a rubber bushing allowing three-axis motion. Each strut is pivotally connected at each hub to corresponding portions of the frame or the deck. | 07-23-2009 |
| 20090211216 | GRASS CUTTING UNIT - A grass cutting unit ( | 08-27-2009 |
| 20090249761 | BELT TENSIONING MECHANISM FOR AUXILIARY DRIVE ON REEL MOWER CUTTING UNIT - An auxiliary drive mounted to a reel mower cutting unit includes an auxiliary drive housing with an input shaft rotated by the reel mower cutting unit, an output shaft for rotating an attachment, and a belt transmitting rotational power from the input shaft to the output shaft. An eccentric bearing housing is positioned in an opening in the auxiliary drive housing. The output shaft is inserted through a bore in the eccentric bearing housing that is offset from the center of the eccentric bearing housing. The eccentric bearing housing may be rotated within the opening to tighten the belt by shifting the position of the output shaft with respect to the input shaft. | 10-08-2009 |
| 20090249762 | AUXILIARY DRIVE SHAFT CONNECTION ON REEL MOWER CUTTING UNIT - An auxiliary drive mounted to a reel mower cutting unit includes a cutting reel shaft rotated by a motor and having a horizontal axis, an auxiliary drive housing positioned adjacent the reel mower cutting unit and pivotable on the axis of the cutting reel shaft, an auxiliary drive input shaft engaged to the cutting reel shaft, and an auxiliary drive output shaft coaxially engaged to an end of an attachment outside the auxiliary drive housing by inserting one of the auxiliary drive output shaft and the attachment end through a collet and tightening a nut over the collet. A transverse pin in one of the output shaft and the attachment end may be engaged by a split end in the other of the output shaft and the attachment end. | 10-08-2009 |
| 20090282798 | Serrated Edge Bed Knife - A bed knife for a mower includes a cutting implement for cutting a material. The bed knife includes a mounting portion that mounts to the mower, and a cutting area at which the cutting implement cooperates with the bed knife to cut the material. The bed knife further includes a serrated portion including a plurality of teeth. | 11-19-2009 |
| 20100115907 | Self-cleaning mower ground roller assembly mounting system - A self-cleaning mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The housing includes a stationary helical flight and a seal guard which fits within the ground roller. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller. | 05-13-2010 |
| 20100146923 | ADJUSTMENT MECHANISM FOR REEL-TO-BEDKNIFE CLEARANCE - An adjustment mechanism for reel-to-bedknife clearance includes an adjuster base having an internal bore, an adjustment knob attached to a rod extending through the internal bore to engage one of the reel or bedknife, and a detent spring captured between the adjuster base and the adjustment knob and biased against the adjustment member to resist rotation of the adjustment knob. The detent spring may engage radial notches on the adjustment knob at a plurality of reel-to-bedknife clearance positions. | 06-17-2010 |
| 20100154374 | Lawn Mower and Droplet Wiping Roller Unit - A lawn mower comprising a reel cutter type lawn mowing unit (A | 06-24-2010 |
| 20100236209 | REEL MOWER - An non-contact type reel mower includes a reel having a high rotational inertia, and a cutting gap adjustment system. The reel includes an axle, a plurality of blades helically disposed about the axis at a radial distance from the axis, and a blade support member coupling the blades to the axle, in a manner that locates a majority of the mass of the reel at a location as far from the axle as possible, while still fitting within the size constraints of a standard size mower package. The cutting gap adjustment system includes carrier plates having a forward end pivotally coupled at a forward end of the mower, and a mid portion that supports or carries the reel and a rearward end that is coupled to the mower chassis by an adjustment device. The plates operate as levers pivoting about the pivot points to raise and lower the reel relative to a fixed bedknife to adjust the cutting gap when the adjustment device is actuated at the rearward end of the plates. The adjustment device extends upwardly from the chassis to permit actuation by a user from the top of the mower. The bedknife also serves as a structural member for the chassis of the mower. | 09-23-2010 |
| 20100269476 | REEL MOWER HAVING TRANSVERSELY SPACED, PIVOTAL, AND RIGID LINKS PERMITTING CUTTING UNIT ROLL - A walk reel mower includes a pair of inclined rigid links for mounting the reel cutting unit to the reel mower frame for rolling about a longitudinal axis, and a pair of vertical support arms for mounting the reel cutting unit to the reel mower frame for pitching about a transverse axis. An integrated gearbox houses both the traction and reel drives, including the differential that is part of the traction drive, as well as a parking brake. A flexible drive shaft powers the cutting reel from the gearbox and is made from materials that do not require petroleum based lubricants to avoid the possibility of damage to the turf or grass. A single control handle located on the handle of the mower actuates both the reel and traction drives. The reel cutting unit includes a back plate which has a portion formed as a hollow beam for strength. The reel cutting unit also has a pivot axis for the bedknife allowing adjustment of the bedknife relative to the cutting reel without changing the longitudinal location of the front edge of the bed-knife to ensure consistent cutting of the cutting unit. Finally, an improved mounting for the grass basket used on he cutting unit is disclosed which mounting avoids inadvertent disengagement of the grass basket from the cutting unit. | 10-28-2010 |
| 20110192129 | HEIGHT OF CUT ADJUSTER ASSEMBLY FOR REEL MOWER CUTTING UNIT WITH REMOVABLE ATTACHMENT - A height of cut adjuster for a reel mower cutting unit with a removable attachment includes a front roller with a shaft positionable in front of the cutting reel axis, and a roller bracket assembly having a bottom bracket removably attached to a top bracket to provide a gap therebetween where the front roller shaft is held. The roller bracket assembly may be pivoted, and the top bracket may be connected to the bottom bracket in a different position further from the cutting reel, so that an attachment such as a conditioner may be installed between the front roller and the cutting reel. | 08-11-2011 |
| 20110197562 | REEL MOWER CUTTING UNIT WITH GAUGE WHEELS - A reel mower cutting unit having a cutting reel with a horizontal axis is supported by a front roller and a rear roller in a mowing position. A lift arm may raise and lower the cutting reel between a mowing position and a transport position. A pair of gauge wheels are mounted forwardly of the front roller at a front left corner and a right front corner of the unit. If the unit is lowered to a sloped surface, the gauge wheel contacts the surface and prevents the unit from marking or damaging the turf. | 08-18-2011 |
| 20110232253 | Turf Conditioning Method And Apparatus - Powered turf conditioning brushes having increased efficiency, improved lift, and which minimize the introduction of grain, and their method of use with reel mower cutting units such as those used for precision mowing of golf course greens. Various embodiments are disclosed. | 09-29-2011 |
| 20110232254 | Pedal-Driven Lawn Mower - The present invention relates to a garden machine. More specifically, the present invention relates to a pedal-driven lawn mower. The pedal-driven lawn mower of the present invention comprises a carriage, a mechanism for driving the lawn mower and a cutting hob mechanism arranged on said carriage; said cutting hob mechanism is transmission connected to said mechanism for driving the lawn mower. The present invention combines cutting hob mechanism with the pedal-driven vehicle whereby an operator can sit on the lawn mower to control the direction and drive the lawn mower and the cutting hob mechanism when pedaling. The present invention functions both sports entertainment and grass cutting but uses no fuel or power thus is healthy and environment-friendly. | 09-29-2011 |
| 20110239614 | HAND MOWER - A hand mower includes a base, a housing surrounding the base, a handle coupled to the housing, a cutting cylinder rotatably mounted on the front side of the base, two wheels mounted on the two distal ends of a center shaft of the cutting cylinder, two transmission gear sets, each comprising an internal gear fixedly located on one wheel, a driven gear fixedly mounted on the center shaft of the cutting cylinder and two intermediate gears meshed between the internal gear and the driven gear, and two one-way clutches respectively set between the center shaft of the cutting cylinder and the transmission gear sets for controlling transmission of force between the center shaft and the transmission gear sets. | 10-06-2011 |
| 20120017559 | MAGNETIC DRIVE CONNECTION FOR A REEL MOWER - A rotating mechanical apparatus, such as would be used in a reel mower assembly, comprises a drive member rotatably mounted in a frame about a shaft axis. The drive member has a drive face. A driven member has a driven shaft rotatably supported in the frame about the shaft axis, and a driven face. A projection extends outward from one of the drive face and the driven face and into a corresponding recess in the other. Magnets force the drive face against the driven face such that the driven shaft rotates with the drive member. One of the drive face and the driven face are movable along the shaft axis to disengage the projection from the recess. A height adjustment mechanism moves ground rollers closer together or farther apart to vary cutting height. | 01-26-2012 |
| 20120167538 | LAWNMOWER THAT INCORPORATES TWO DOUBLE-HELIX TOOLS - A tool can be made up of two or more rotors, each of them formed by a rotary axis of rotation and at least one helix-shaped blade, the axes of rotation parallel to each other and parallel to the ground or lawn and separated by a distance less than the sum of the radii of the helices of each one of the rotors. The blade(s) of one of the rotors has/have the shape of a right handed helix and the blade(s) corresponding to the other rotor show(s) the shape of a left handed helix, and one of the rotors consists of a driving rotor and the other consists of a driven rotor. The machine derived incorporates at least one double-helicoidal tool connected to at least one of the machine's wheels. | 07-05-2012 |
| 20130199147 | REEL LAWN MOWER - A reel lawn mower which has a connection structure for connecting a reel cutting unit to a main body. The reel cutting unit has a spiral cutting reel which is rotated by a prime mover to cut grass together with a bedknife. In the connection structure, in order to connect the reel cutting unit to the main body so that the reel cutting unit rolls around a virtual horizontal line perpendicular to the shaft center of the cutting reel in the center of the axial direction of the cutting reel, the reel cutting unit includes a connecting arm with an arc portion shaped so as to follow a virtual arc centered on the virtual horizontal line. The connecting arm is slidably supported so as to prevent the arc portion from coming off the virtual arc. | 08-08-2013 |
| 20130205739 | WALK REEL MOWER WITH EASILY DEPLOYABLE KICKSTAND - A walk reel mower has a traction frame that carries a reel cutting unit and that is self-propelled over the ground by a traction drum that is operatively connected to a power source on the traction frame. A U-shaped kickstand at the rear of the traction frame has a raised, inoperative position in which the kickstand is substantially nested within the rearwardly and upwardly extending handle tubes of a handle assembly. The kickstand is pivotally connected to the traction frame to pivot to a lowered, fully deployed position in which the kickstand has engaged the ground and lifted the traction drum out of contact with the ground. The kickstand has an assist member that lies in a plane that is different from and that is inclined to a plane that encompasses the U-shape of the kickstand to allow the operator to apply leverage to the kickstand. | 08-15-2013 |
| 20140283494 | Reel for a Harvester - A reel for a harvester, such as for a combine harvester. The reel includes a reel supporting pipe and star-shaped supports at the ends of the reel, the star arms being connected to each other by means of tine rods which run parallel to the supporting pipe, wherein the star-shaped supports are specifically at least partially reinforced as a result of which at least one of the tensile and compression forces acting on the supporting pipe can be absorbed by one or more tine rods. | 09-25-2014 |
| 20140311114 | Cutting Drum for Agricultural Machine - A rotatable cutting drum comprising knife holders for attaching cutter knives thereto. Each knife holder comprises a forward member and a rear member and a knife connecting portion. The rear member extends from the connecting portion towards the rotational axis of the drum and has an extension member which extends circumferentially of the rotational axis in a direction opposite to the direction of rotation of the drum. The forward member extends from the connecting portion towards the drum rotation axis and abutts with the extension member of an adjacent knife holder positioned forward of the knife holder in the direction of rotation of the drum. | 10-23-2014 |
| 20140338301 | TURF TREATMENT - A system for managing warm season, stoloniferous grass turf comprising removing the upper layer of turf down to but not including the stolons, and allowing the grass to regenerate. | 11-20-2014 |
| 20150121831 | END DIVIDER FOR A HEADER OF AN AGRICULTURAL HARVESTER - Improved end dividers and headers of an agricultural harvester are disclosed. The end dividers are connected to a harvesting reel of a header such that fore and aft translational movement of the harvesting reel results in corresponding translation of a leading part of the end dividers. The result is an assembly that is effective for harvesting crops of differing heights and conditions without need for substitution of differently sized, fixed length end dividers. The end dividers may be secured to a header frame such that the end dividers float over uneven terrain. The end dividers can also include extensions or shrouds for receiving and protecting the ends of the reel, as well as sockets at their tips for releasably attaching various types of harvesting fixtures. | 05-07-2015 |
| 20150319921 | CYLINDER MOWER BEDBAR ASSEMBLY - In various embodiments, the present disclosure provides a multi-piece bedbar assembly for cylinder mower. The multi-piece bedbar assembly generally includes a bedbar comprising an elongated metal structure having a back, a bottom, and a face disposed between the back and the bottom. The bedbar assembly additionally includes a pair of adjustment arms that are separate and distinct from the bedbar and are connectable to the bedbar back. | 11-12-2015 |
| 20160374266 | BLADE FOR MOWING APPARATUS AND METHOD OF SECURING A BLADE TO A MOWING APPARATUS - A method of securing a blade to an apparatus for cutting vegetation, wherein the apparatus includes a first and a second blade contacting structure. The method includes providing an elongated blade that is configured and arranged to be relatively flexible; and positioning the elongated blade between the first blade contacting structure and the second blade contacting structure such that the first blade contacting structure makes contact with a first surface of the elongated blade and the second blade contacting structure makes contact with a second surface of the elongated blade. The positioning step results in a plurality of bending forces being applied to the first and second surfaces of the elongated blade via the first and second blade contacting structures, thereby bending the elongated blade, and whereby the bending forces secure the elongated blade to the apparatus for cutting vegetation. | 12-29-2016 |
| 056249500 | Interchangeable cutting assembly | 2 |
| 20100083628 | Grass Treatment Unit With Adjustable Hood and Grass Treatment Insert - A grass treatment unit with an adjustable hood for use with various grass treatment inserts of different diameter for verticutting, scarifying, etc. The grass treatment unit includes a frame with sidewalls mounted on front and rear rollers. An open topped bearing socket is attached to each of the sidewalls for mounting the grass treatment insert for rotation. A hood mounted on a slide for spacing the hood in a selected position with respect to the grass treatment insert. Spring plungers are provided for locking the grass treatment insert in the bearing sockets and for locking the slide in a selected position on the sidewalls. The grass treatment insert has a shaft with ball bearings on opposite ends which are housed within a bearing housing. A handle is provided on the bearing housing for lifting the grass treatment insert. The shaft is threaded at opposite ends for receipt of a bolt which is threaded into the shaft in the direction of rotation of the shaft, one of said bolts having a head formed as a drive key. | 04-08-2010 |
| 20120055135 | CUTTING DEVICE - A cutting device for crop has a cutting tool which can be set into rotation, and a shear bar which can be displaced relative thereto, each of the two diametrically opposed ends of which is coupled to a control unit, thereby enabling the clearance position of the shear bar relative to the cutting tool to be changed, and a control device which activates the control units in order to change the clearance position of the shear bar, and to move the shear bar toward the cutting tool, the control device can be operated to activate the control units to each perform a working step in alternation, so that within this working step the particular activated control unit initially moves the end of the shear bar assigned thereto toward the cutting tool by a first adjusting distance, and then away from the cutting tool by a second adjusting distance, wherein the second adjusting distance is smaller than the first adjusting distance. | 03-08-2012 |
| 056250000 | Sharpening | 1 |
| 20110120073 | Water-Resistant Electric Motor - Embodiments of the invention provide a water resistant electric motor and method of assembly. The motor includes a housing with a main body having a rear endbell, a stator compartment with stator windings, and a first ball bearing. The motor includes a lid having a second ball bearing, and a rotor with a shaft having a first end positioned in the first ball bearing and a second end positioned in the second ball bearing. An epoxy coating is used to overmold the stator compartment, the stator windings, and the rotor. The motor includes a printed circuit board assembly treated with an adhesion promotor and positioned adjacent to the rotor and stator windings. A silicone sealant is used to encapsulate the printed circuit board assembly, the rotor, and the stator windings and reacts with the adhesion promotor. The motor includes a gasket between the lid and the main body. | 05-26-2011 |
| 056251000 | Auxiliary cutter | 2 |
| 20140311115 | Combine Harvester with a Knife Drum - An agricultural machine suitable for the harvesting of grain-like crops, comprising a header, the header comprising a first cutting device whose position is determined by the adjustable height of the header, and a second cutting device, comprising a knife drum that is rotatably mounted in a housing, which via rollers or equivalent supports can move over the ground at different heights of the header, and wherein the housing of the knife drum on the back of the header is connected via at least two coupling systems, each of these systems comprising a lower and an upper support arm pivotally connected to the header, and with the housing of the knife drum, whereby the position of the housing remains substantially unaltered by the different height settings of the header. | 10-23-2014 |
| 20150143788 | HARDFACED BED KNIFE - A bed knife adapted to be coupled with a reel cutting unit for cutting grass is oriented with respect to a rotating cutting reel of the reel cutting unit. The bed knife includes a body formed from a first material and a cutting portion formed from a second material. The second material is different from the first material, and the second material is deposited onto the body by a welding process. | 05-28-2015 |
| 056252000 | Cutter in front of wheel tread | 2 |
| 20090044508 | Brush cutting head with internally housed drive and bearing assembly - The present invention relates generally to brush cutters and to brush cutting heads therefor, and more specifically, to brush cutting heads having internally housed drive and bearing assemblies. The brush cutting head includes a hollow support body having a first end, an opposed second end, an outer surface and an inner surface. The inner surface of the support body defines a hollow which extends between the first and second ends of the support body. Also provided is a drive and bearing assembly housed at least partially within the hollow of the support body. The drive and bearing assembly includes a drive block mounted to extend within the hollow of the support body at the first end thereof. The drive block includes a motor provided with a torque transmitting driveshaft. A first coupling assembly is connected to the driveshaft of the motor and the support body. The first coupling assembly is operable to transmit the torque produced by the motor to the support body to thereby urge rotation of the brush cutting head. The drive and bearing assembly further includes a second coupling assembly mounted to extend within the hollow of the support body at the second end thereof. The second coupling assembly has a first end and a second end. The second end of the coupling assembly is fixedly attached to the support body. The second coupling assembly includes a bearing support member, a bearing assembly housed within the bearing support member and a coupling member. The bearing assembly is mounted in surrounding relation with a portion of the coupling member to thereby allow free rotation of the coupling member relative to the bearing support member. | 02-19-2009 |
| 20100115908 | Mower ground roller assembly mounting system - A mounting system for a ground roller assembly to be used on a mower such as a flail mower including a stationary sleeve bearing positioned on mounting shafts extending from either end of the ground roller. The stationary sleeve bearing is positioned in a housing which is vertically positionably with respect to the mower housing. The stationary sleeve bearing is protected on either end from dirt and debris getting between the inside surface of the stationary sleeve bearing and the outside surface of the mounting shafts on either end of the ground roller. | 05-13-2010 |
| 056253000 | Co-axial wheels central cut | 1 |
| 20110179759 | REEL MOWER - A reel mower has a double A arm suspension that lowers a reel cutting unit into a cutting position in a tail down orientation and that levels the reel cutting unit out as it lifts the reel cutting unit into a transport position. The reel cutting unit yaws during turns about a substantially vertical axis having a negative caster angle. The suspension has clamps that can be flipped open or closed to quickly attach or detach the reel cutting unit. A drive motor can be quickly attached or detached to the reel cutting unit using a pivotal wire form. An active counterbalance system automatically offsets the increasing weight of a grass basket on the reel cutting unit to maintain quality of cut. The grass basket maintains a constant spacing relative to the reel cutting unit when the reel cutting unit pitches to improve clipping collection. | 07-28-2011 |
