[특허]Variable mulching mower with edger attachment

Variable mulching mower with edger attachment 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A01D-034/73 A01D-034/74 A01D-034/84 A01D-073/18
출원번호	US-0882756 (1992-05-11)
발명자 / 주소	Pace Sang H. (3802 Greenshadow Pasadena TX 77503)
인용정보	피인용 횟수 : 30 인용 특허 : 0

초록 ▼

A motor-powered mulching mower and edger apparatus (20) with dual rotary mower blades (33,35), a mower deck (21) and a side-mounted edger attachment (75) adapted by a clutch mechanism (110,111) for simultaneous operation therewith. An adjustable mulching control valve (60) mounted at the inlet of a discharge chute (39) from the deck (21) allows variation of the proportions of mulching to clippings bagging in the range of zero to one hundred percent during mower operation. The dual rotary blades (33,35) are mounted in vertically spaced relation and select leading-angle trailing-angle relationship and are cooperable with an internal deck-mounted air stream deflector (68) for deflecting multiple cuttings of grass clippings in an inwardly directed spiral path such that after the initial cutting, each of the clippings is disposed to at least two more cuttings to produce a finer mulch. The edger (75) is provided with an edger blade guard (109) which can be adjustably positioned to deflect and guide edger-produced clippings to the interior of the mower deck (21) in an air stream which enforced the air stream generated by the mower blades (33,35) and enhances vacuuming capability of the apparatus (20). Swivel-mounted castor wheels (25,26) at the front of the mower deck (21) and an off-set of the front wheel (25) and real wheel (27) nearest the edger (75) towards the center line of the apparatus (20) facilitates the operation of the edger (75) in a curved path.

대표청구항 ▼

A lawn mowing and trimming apparatus comprising: a mobile deck member having an upper platform and a pair of front wheels and a pair of rear wheels mounted thereto, said deck member having a deck skirt member extending downwardly from along the periphery of said upper platform to a spaced distance above the plane defined by the lower surfaces of said wheels; a motor mounted on said deck member, said motor having a motor drive shaft extending downwardly through said upper platform; an elongate primary rotary cutting blade affixed substantially at its mid-point to said motor drive shaft in a substantially perpendicular radial orientation with respect to the shaft axis; a secondary rotary cutting blade affixed substantially at its mid-point to said motor drive shaft in a substantially perpendicular radial orientation with respect to the shaft axis, said second rotary cutting blade being vertically spaced above said primary blade and being mounted on said motor drive shaft at an acute leading angle with respect to said primary blade in the direction of blade rotation, said primary blade having upturned upwardly facing surfaces at its end portions which induce a vortex-like air stream within said deck member upon rotation of said primary blade whereby said clippings are cut into finer particles by said blades and said finer particles are adapted to be deposited on said lawn, said apparatus being adapted to be moved across a lawn during a mowing operation.

이 특허를 인용한 특허 (30)

Sullivan Patrick D., Combination mulching and discharging lawn mower blade.
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Seegert, Brian David, Discharge stopper units for mower decks.
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Schmidt, Larry W.; Svoboda, Steven J.; Wadzinski, Chris A., Dual bladed walk power mower with rear bagging mode.
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Maldonado, Ralph, Edging and trimming apparatus for attachment to lawn mowers.
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Henley, Jr., Horace, Edging attachment for a rotary lawn mower.
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Iida,Tetsuo; Kobayashi,Takao; Sasaki,Hiromitsu; Shimada,Kenzo; Shin,Masanori, Lawn mower.
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Bearden, John D., Lawn mower adjustable wheel conversion assembly.
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Kallevig,Jeffrey B.; Harris,Randy L.; LaNasa,Stephen A., Lawn mower having adjustable flow control baffle.
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Tamas, Dominic; Doyle, Patrick Anthony; Seidel, Daniel Paul, Lawn mower pivotable mulching flap.
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Shimozono, Kazuki; Iida, Tetsuo; Kobayashi, Hiroshi; Hirose, Nobuyuki, Lawnmower.
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Kaskawitz, Scott J., Movable door apparatuses and methods for a combination grass discharge and mulching lawnmower.
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Kallevig, Jeffrey B.; Winter, Jerrod N., Mower cutting deck having operator controlled discharge opening using intuitively operable handle.
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Chenevert,Jeffrey Paul; Lund,Kevin Patrick, Mower deck with multiple modes of operation.
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Ressler, Kyle T.; Woody, Derek M.; Tolson, Melissa, Mulch kit control lever.
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Butler, Walter R.; Butler, Dena R., Mulch plate apparatus with adjustable handle mechanism.
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Butler,Walt R.; Butler,Dena R., Mulch plate apparatus with adjustable handle mechanism.
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Thorman, Christopher S.; Fergus, Ryan A.; Shore, Earl E., Multi-blade mower deck with mulch/side discharge conversion.
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Loxterkamp, Joe A.; Finkner, Steven C., Multi-bladed cutting deck with adjustable flow control baffles.
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Ertel, Jason R.; Stephens, Paul; Allen, Robert; Rabbitt, Bill, Power equipment device with removable attachments.
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Grimwade,Stephen J., Rotary lawn mower with pivotal mulch door.
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Meetze Henry B., Swiveling wheel attachment for a lawnmower.
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Mitchell, Jr.,James D., Trimmer attachment for lawn mowers and tractors.
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Templeton, David J.; Saylor, Randy A., Variable angle powered work implement.
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Osborne, Christopher M., Variable mulching system for a lawnmower.
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Osborne, Christopher M., Variable mulching system for a lawnmower.
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Osborne, Christopher M., Variable mulching system for a lawnmower.
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Osborne,Christopher M.; Hartley,Dean E., Variable mulching system for a lawnmower.
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Osborne,Christopher M.; Hartley,Dean E., Variable mulching system for a lawnmower.
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Osborne,Christopher M.; Hartley,Dean E., Variable mulching system for a lawnmower.
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Grande, Charles Raphael, Weed trimmer extension device.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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연합인증

Variable mulching mower with edger attachment 원문보기

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Variable mulching mower with edger attachment 원문보기

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