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Quick adjustment for straight ahead travel for a wheel-steered lawn mower

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • A01D-069/00
출원번호 US-0821115 (1997-03-20)
발명자 / 주소
  • Busboom Garry W.
출원인 / 주소
  • ExMark Mfg. Co., Inc.
대리인 / 주소
    Zarley, McKee, Thomte Voorhees & SeaseThomte
인용정보 피인용 횟수 : 23  인용 특허 : 30

초록

An apparatus is provided for quickly adjusting a dual hydraulically powered, wheel-steered lawn mower to achieve straight line travel when steered to the straight ahead position. Right and left hydraulic pump controls interconnect the speed control of the mower to right and left hydraulic pumps whic

대표청구항

[ I claim:] [1.] A walk-behind, self-propelled lawn mower, comprising:a frame means having a rearward end, a forward end, a right side, and a left side;grass cutting means on said frame means;a power source on said frame means;a right drive wheel at said right side of said frame means;a left drive w

이 특허에 인용된 특허 (30)

  1. Thorn Howard R. (169 Liberty Hill Rd. Lexington SC 29073), Adaptor for a three point hitch.
  2. Lucas James H. (Milwaukee WI) Berg David A. (Milwaukee WI), Adjustable lift link for a three-point hitch.
  3. Brown David J. (Uttoxeter GBX) Clay Raymond (Congleton GBX), Agricultural plowing vehicle with self-leveling suspension.
  4. Gugel Leslie H. (16697 121st Ter. N. Jupiter FL 33478), Centrally mounted driver carrier control unit.
  5. Bottum Robert O. (Lincoln NE), Clutchable pulley system sans idler-pulley.
  6. Koehn Leroy F. (Moundridge KS) Esau Merlin L. (Newton KS), Convertible mower deck.
  7. Wenzel Philip H. (Vernon Center NY), Drive control for walk-behind mower with hydrostatic transmission.
  8. Wenzel Philip H. (Vernon Center NY), Dual hydrostatic drive walk-behind mower.
  9. Wenzel Philip H. (Vernon Center NY), Dual hydrostatic drive walk-behind mower.
  10. Eisenhardt Fred W. (Fargo ND), Hitch assembly for mounting a transverse beam on a three-point hitch.
  11. Minato Kazuhiro (Dublin OH) Sato Kazunobu (Columbus OH), Lawn mower.
  12. Scag Dane T. (Elm Grove WI) Sugden David (Horicon WI), Lawn mower.
  13. Zvolanek Terry L. (Blue Springs NE), Lawn mower.
  14. Kitamura Junichi (Sakai JPX) Sadakane Hirofumi (Sakai JPX) Tomiyama Yoshio (Sakai JPX), Lawn mower for use both as riding and walking operator type.
  15. Tomiyama Yoshio (Sakai JPX), Lawn mower having a steering handle switchable between a walking mode and a riding mode.
  16. Murphy Floyd D. (Star Rte. 2 Breezewood PA 15333), Link chain hitch arm for tractor mower.
  17. Meyer, Allen D.; Hicks, John E., Mower deck dedicated to grass collection.
  18. Rodriguez Carlos (15421 River By Rd. Ft. Myers FL) Christy C. Robert (15421 River By Rd. Ft. Myers FL 33908) Rodriguez Felipe (4619 New Haven Dr. Ft. Myers FL 33908), Mulching deck.
  19. Loehr Thomas J. (Watertown WI), Multiblade mulching mower.
  20. Kidd Earl H. (Galesburg IL), Multiple spindle rotary mower.
  21. Spalla Pier L. (Via Santa Maria ; 29 I-15032 Borgo San Martino (Alessandria) ITX), Multipurpose and self-moving argicultural machine.
  22. Wenzel Philip H. (Vernon Center NY), Power lawnmower with hydrostatic drive.
  23. Wright William R. (Clarksburg MD) Velke James D. (Poolesville MD), Power mower with riding platform for supporting standing-operator.
  24. Hotte Jean-Francois (103 ; Emery-Belisle Papineauville ; Quebec CAX J0V 1R0), Rear mounted grader for vehicles.
  25. Hake Kenneth A. (Tipton KS), Single drive belt mower with flexible housing.
  26. van der Lely Cornelis (7 ; Bruschenrain Zug CH), Soil cultivating implement combinations.
  27. Kendle Thomas D. (26179 May St. Edwardsburg MI 49112), Three point hitch for hummer truck and other vehicles.
  28. Busboom Garry W. (Beatrice NE), Vegetation cutting blades assembly.
  29. Koster Rick L. (8895 N. 15 E. Idaho Falls ID 83401), Vehicle hydraulic three-point hitch and power take-off shaft.
  30. Oshima Hiroshi (Sakai JPX) Kitamura Junichi (Sakai JPX) Sadakane Hirofumi (Sakai JPX) Tomiyama Yoshio (Sakai JPX) Okura Hideo (Sakai JPX), Working vehicle controllable by walking operator and having independently driven right and left ground wheels.

이 특허를 인용한 특허 (23)

  1. Ronald T. Keagle ; Larry W. Schmidt ; Joseph J. Walto, Control system for compact utility loader.
  2. Jimmy Clark Dean, Foldable control lever.
  3. Witt, Brian J.; Schreiner, Fredric D., Implement with tandem transmission.
  4. Schreiner,Fredric D.; Beyer,Troy, Lawn mower cover.
  5. Eavenson, Sr., Jimmy N.; Mattern, Jeffrey Blaine, Lawn mower deck.
  6. Velke, James D.; Wright, William R.; Waesche, Luke, Lawn mower hydraulic hose routing.
  7. Wright, Edward R.; Wright, William R.; Waesche, Luke; Velke, James D., Lawn mower with deck lift system and/or pump lock-out system.
  8. Wright,Edward R.; Wright,William R.; Waesche,Luke; Velke,James D., Lawn mower with deck lift system and/or pump lock-out system.
  9. Wright,William R.; Hubert,Glenn T.; Waesche,Luke; Velke,James D., Lawn mower with deck lift system that raises and lowers deck with respect to frame and handle control assembly.
  10. Kallevig, Jeffrey B.; Gaedy, Merle W.; Nghiem, Phat T.; Volovsek, Ryan J.; Clift, Timothy J., Linkage adjustment system and vehicle incorporating same.
  11. Shi, Qinghua, Mower.
  12. Velke,James D.; Wright,William R.; Waesche,Luke, Mower hydraulic tank cooling baffle positioned above engine flywheel.
  13. Busboom, Garry W.; Nicholson, Gary L., Operator control system for self-propelled vehicles.
  14. Busboom, Garry W.; Nicholson, Gary L., Operator control system for self-propelled vehicles.
  15. Busboom, Garry W.; Nicholson, Gary L., Operator control system for self-propelled vehicles.
  16. Miller,Russell G.; Casey,James M., Speed equalizing linkage design for dual hydrostatic transmissions.
  17. Gallazzini, Silvio, Tractor having dual hydrostatic drive with single hand control and attachment adapter for powered attachments.
  18. Gallazzini, Silvio, Tractor having dual hydrostatic drive with single hand control and attachment adapter for powered attachments.
  19. Oxley,Lonnie R., Variable flow control devices, related applications, and related methods.
  20. Velke, James D.; Wright, William R.; Waesche, Luke, Walk behind lawn mower control system.
  21. Crumly,Ryan, Walk behind mower.
  22. Orsborn,Jesse H.; Richman,Kevin S.; Barrett,Monroe C.; Tenbrink,Scott W., Walk-behind cotton harvester.
  23. Orsborn,Jesse H.; Richman,Kevin S.; Barrett,Monroe C.; Tenbrink,Scott W., Walk-behind cotton harvester.
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