KENNETH WILLIAM MCLEAN
Engineers in Groffdale, PA

4531349, Jul 30, 1985

Mar 23, 1984

6/592643

Philip J. Ehrhart - Narvon PA
Stanley J. Makofka - New Holland PA
Kenneth W. McLean - New Holland PA

Sperry Corporation - New Holland PA

A01D 5518, A01D 35264

56 136

A disc mower-conditioner having a disc cutterbar with transversely spaced rotatable disc cutters to sever standing crop material by an impact action and a rotatable conditioning mechanism mounted rearwardly of the cutterbar to receive and condition severed crop material is disclosed wherein each disc cutter member is provided with a crop lifting ramp portion adjacent the peripheral edge of the disc cutter adjacent each knife in both leading and trailing relationships thereto. The inclined ramp portions are operable to lift previously severed crop material away from the corresponding knife before the knife severs standing crop material and to feed the severed crop material into the conditioning mechanism. The inclined ramp portions are provided on both sides of the knives to permit the disc cutter member to be rotatable in either clockwise or counterclockwise directions and still provide a leading crop lifting action. The leading inclined ramp portions can be provided with replaceable wear members to extend the operative life of the disc cutter member.

5186271, Feb 16, 1993

May 31, 1991

7/708652

Kenneth W. McLean - New Holland PA

Ford New Holland, Inc. - New Holland PA

B60D 100, B60K 2508

180 144

A primary drive line for delivering power from a power-take-off (pto) shaft on a tractor to an input shaft on an implement includes a swivel hitch comprised of an upper gearbox and a lower gearbox. The upper gearbox is fastened to a pair of spaced apart, upper vertical plates carried on a tongue extending forwardly from the implement, and the lower gearbox is fastened to a pair of spaced apart, lower vertical plates carried by a yoke assembly that is attached to the tractor. An output shaft on the upper gearbox is coupled to the implement input shaft. The lower gearbox has two shafts, the first of which is coupled to an input shaft on the upper gearbox. The second shaft on the lower gearbox is connected to the tractor pto shaft. The lower gearbox is mounted by using bushings with rubber inserts which permit limited repositioning of the lower gearbox with respect to the yoke assembly in order to compensate for any misalignment of the lower gearbox first shaft when coupling it to the upper gearbox input shaft.

4549390, Oct 29, 1985

Mar 23, 1984

6/592642

Kenneth W. McLean - New Holland PA

Sperry Corporation - New Holland PA

A01D 5518, A01D 35264

56 136

A disc mower-conditioner having a disc cutterbar with transversely spaced rotatable disc cutters to sever standing crop material by an impact action and a rotatable conditioning mechanism mounted rearwardly of the cutterbar to receive and condition severed crop material is disclosed wherein each disc cutter is provided with a crop lifter affixed to the peripheral portion of the disc cutter adjacent each knife in leading relationship thereto. The crop lifter has an inclined ramp operable to lift previously severed crop material away from the corresponding knife before the knife operatively severs the standing crop material to facilitate a feeding of the severed crop material into the conditioning mechanism. The top of the crop lifter is being positioned in substantially the same plane as the raised central portion of the disc cutter for properly lifting the severed crop material toward the conditioning mechanism and for protecting the hardware detachably fastening the corresponding knife to the disc cutter.

4567716, Feb 4, 1986

Mar 23, 1984

6/592644

Stanley J. Makofka - New Holland PA
Philip J. Ehrhart - Narvon PA
Kenneth W. McLean - New Holland PA

Sperry Corporation - New Holland PA

A01D 3466

56 136

A disc mower-conditioner having a disc cutterbar with transversely spaced rotatable disc cutters to sever standing crop material by an impact action and a rotatable conditioning mechanism mounted rearwardly of the cutterbar to receive and condition severed crop material is disclosed wherein each disc cutter is provided with a crop lifter affixed to the peripheral portion of the disc cutter adjacent each knife in leading relationship thereto. The crop lifter has an inclined ramp extending substantially a full guadrant of the disc cutter and being operable to lift previously severed crop material away from the corresponding knife before the knife severs standing crop material and to feed the severed crop material into the conditioning mechanism. The top of the crop lifter is positioned in substantially the same plane as the raised central portion of the disc cutter for properly lifting the severed crop material toward the conditioning mechanism and for protecting the hardware detachably fastening the knife to the disc cutter.

5778647, Jul 14, 1998

Jun 25, 1996

8/670060

Kenneth W. McLean - New Holland PA
Steven J. Campbell - New Holland PA

New Holland North America, Inc. - New Holland PA

A01D 3403

56 136

A disc mower conditioner utilizing a modular disc cutterbar to sever standing crop material by impact action supports the cutterbar from the header of the mower conditioner by a pair of transversely spaced support arms mounted by spherical bushings to the header to allow flexing of the support arms as induced by the cutterbar. The mounting of the spherical bushings utilize conical washers engagable with conical sockets in spacers to limit vertical movement of the spacer relative to the header when the corresponding support arm flexes. The mower conditioner header further includes an optional viney crop guide that has a curved leading edge that directs viney crop downwardly into engagement with the adjacent disc cutter. The viney crop guide is also bent inwardly to contain and control the flow of crop material. The mower conditioner swathboard includes a position control mechanism that incorporates a positive down stop in the form of a pin riding within a corresponding slotted opening in an associated bracket to prevent the swathboard from coming into an inadvertent engagement with the conditioning rolls.

4202422, May 13, 1980

Aug 23, 1978

5/936161

Kenneth W. McLean - New Holland PA

Sperry Rand Corporation - New Holland PA

B62D 1102, B60R 2114

180 648

A safety lock for an agricultural windrower and/or conditioner comprising a self-propelled machine having a pair of drive wheels respectively powered by individual hydraulic motors each powered by separate hydraulic pumps driven by a fuel powered motor, the pumps being variable for driving the motors at desired speeds and directions to comprise a hydrostatic steering system for said machine, said pumps being variable by a rotatable steering wheel, and a speed control level also is movable to cause actuation of both pumps equally and also actuates lock pins which secure the steering wheel in neutral position. The safety feature is effected by the speed control lever being biased into a latching notch when the steering wheel is moved to neutral position and thereby moves the lock pins automatically into locking position relative to holes in plates associated with linkage between the column of the steering wheel and said hydraulic pumps.

5782071, Jul 21, 1998

Jul 22, 1996

8/681242

Barry E. Lehman - York PA
Kenneth W. McLean - New Holland PA

New Holland North America, Inc. - New Holland PA

A01D 3466

56 6

A sealing apparatus is provided for a pivot assembly on a disc mower incorporating a disc cutterbar to sever standing crop material by impact action. A first circular labyrinth seal has a T-shaped cross-section and fills a correspondingly-shaped groove between the pivot support arm and the gearbox housing. The combination of the T-shaped groove and corresponding labyrinth seal creates a labyrinth path for the entrance of dirt into the pivot assembly. A second circular face seal is constructed with a deformed inner diameter to create a lip that engages the face of the gearbox hubs. The deformed inner diameter lip of the face seal creates an inner cavity underneath the seal that can be filled with grease to provide a further deterrent to the entry of dirt into the pivot mechanism.

5158500, Oct 27, 1992

Mar 18, 1991

7/670641

Kenneth W. McLean - New Holland PA

Ford New Holland, Inc. - New Holland PA

B60K 1728

180 531

A drawbar of a tractor is coupled to a tongue of an implement such as a mower conditioner. A primary drive line is connected between a power-take-off shaft on the tractor and an input shaft on the implement to deliver power from the tractor to the implement. The primary drive line includes a telescoping drive shaft with a constant velocity joint at one end for connection to the tractor power-take-off shaft. Another constant velocity joint at the other end of the telescoping drive shaft is adapted for connection to the implement input shaft. An extension is attached to the implement tongue at an angle thereto, and a hitch pin pivotally connects the extension to the tractor drawbar. The hitch pin defines a pivot point for the implement tongue.

7252169, Aug 7, 2007

Oct 15, 2004

10/966283

Kenneth W. McLean - New Holland PA, US
Donald L. Osborne - Quarryville PA, US
David M. DeChristopher - Akron PA, US

CNH America LLC - New Holland PA

B62D 61/12

180209

A suspension system for the rear axle of a self-propelled agricultural windrower. The axle is split into two components, each having an air spring to absorb shocks. The two air springs are interconnected by a tube to equalize the internal pressure. A pair of pins can be inserted through the respective axle components and a structural member of the tractor to fix the components relative to the unit structure, thereby incapacitating the suspension and permitting effective steering of the tractor in the absence of a header.

7207581, Apr 24, 2007

Oct 15, 2004

10/966284

Donald L. Osborne - Quarryville PA, US
Kenneth W. McLean - New Holland PA, US
Douglas R. Otto - New Holland PA, US
Dennis L. Coates - Kinzer PA, US

CNH America LLC - New Holland PA

B62D 7/16

280 93502, 180 632, 180 63

An adjustable hydrostatic control system that adjusts in length to locate mutual neutral locations while transmitting the necessary torque through mating sliding spines.