[특허]Apparatus for compacting snow for skiing

Apparatus for compacting snow for skiing 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B30B-009/00
출원번호	US-0737522 (1976-11-01)
발명자 / 주소	Waterman Donald Herbert (Poland Springs ME)
출원인 / 주소	Valley Engineering, Inc. (Gray ME 02)
인용정보	피인용 횟수 : 50 인용 특허 : 0

초록 ▼

This invention is directed to an apparatus for compacting snow for skiing and snowmobiling. It includes an elongated snow compacting member with means which permit its ends to move upwardly and downwardly so that when one end contacts an elevated snow surface that end automatically moves upwardly to substantially equalize the p.s.i. exerted by the snow compacting member against the snow which is being compacted. It also includes snow compacting wings which extend outwardly from and are pivotally secured to the central snow compacting section of the snow compactor and power means for rotating the wings upwardly. The outer ends of the wings are secured to the inner ends by shear bolts or pins so that when an outer end contacts a rigid object it falls away and is not damaged. Means is provided for adjusting the angle of attack of the bottom wall of the snow compacting element to the surface of the snow to vary the pressure exerted upon it. Power means is also provided for moving the elements of the snow compacting apparatus above the rear portion of the towing vehicle for transporting the snow compactor to and from ski trails and to and from the locality where the compacting apparatus is stored. Snow roller means is provided to partially compact the snow between the tracks of the towing vehicle as the compactor is moved forwardly so that the snow beneath the roller is partially compacted to about the same density as the snow which is partially compacted by the tracks of the vehicle.

대표청구항 ▼

An apparatus for compacting snow for sking comprising, an elongate central section having a substantially flat bottom wall, first elongate frame means substantially parallel to said central section when viewed from the top, means for securing said first elongate frame means to said central section, second elongate frame means substantially parallel to said first elongate frame means and located forwardly thereof, first pivot means located substantially at the centers of said first and second frame means for providing pivotal movement of said first frame means and said central section relative to said second frame means, and third elongate frame means secured to said second frame means and extending substantially normal thereto, whereby as the compacting apparatus is moved forwardly over uneven terrain and one end portion of said central section contacts an elevated snow surface the said one end portion of the central section moves upwardly about said first pivot means thus substantially equalizing the p.s.i. exerted by said substantially flat bottom wall against the snow being compacted.

이 특허를 인용한 특허 (50)

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Philip J. Quenzi ; Cal G. Niemela ; Curt E. Niemela, Adjustable wing plow with fixed pivot.
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Auer ; Max, Apparatus for regeneration of skiing courses.
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Buono Joseph (9797 Bitten Dr. ; P.O. Box 189 Brighton MI 48116), Apparatus for the handling and conditioning of snow.
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Waterman Donald H. (New Gloucester ME), Blade assembly.
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Holmes, Jim, Combination adjustable grader compactor.
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Reeves, William J.; Simpson, Gerald N.; Manion, Leo P.; Mishra, Amiya, Finger snow plow with extension.
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Turgeon Harry S. (Lewiston ME), Foldable snow compactor with side wings pivotable behind central blade.
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Watson, Gary E., Plow with blade wing.
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Bloxdorf, David N., Plow with pivoting blade wing.
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Bloxdorf, David N., Plow with pivoting blade wing(s).
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Philip J. Quenzi ; Cal G. Niemela ; Curt E. Niemela, Plow with rear mounted, adjustable wing.
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Weagley, Michael P.; Guggino, Michael J.; Maier, James, Reversible snow pusher and coupler.
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Beeley Michael G. (Logan UT), Reversibly powered rotary snow tiller.
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Jean-Philippe Lassonde CA, Side snow deflector.
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Tackitt Coy C. (Crestline CA 92325), Slopeboard mounting.
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Philpott, Patrick L., Snow compacting tool.
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Weagley Michael P., Snow plow.
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Andic, Mike Mile, Snow plow assembly.
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Daniels Gregory J., Snowplow with blade end snow deflectors.
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May, Michael P., Tractor blade assembly.
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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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Apparatus for compacting snow for skiing 원문보기

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Apparatus for compacting snow for skiing 원문보기

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