[특허]Spiral cone pulley reciprocal pedal drive system and methods

[미국특허] Spiral cone pulley reciprocal pedal drive system and methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62M-001/02 F16H-055/00
출원번호	US-0343676 (2012-01-04)
등록번호	US-8840127 (2014-09-23)
발명자 / 주소	Musgrove, Robert
출원인 / 주소	Musgrove, Robert
대리인 / 주소	Waddey Patterson
인용정보	피인용 횟수 : 2 인용 특허 : 31

초록 ▼

A pedal drive system for a bicycle includes a front spiral cone pulley and a rear pulley. The front spiral cone pulley is attached to a crank arm, and the rear pulley is attached to a rear wheel on a bicycle in some embodiments. A power cable, or tension linkage, extends between the front spiral cone pulley and the rear pulley. The front spiral cone pulley is angularly moveable relative to the first crank arm such that the radial position of the point of engagement between the power cable and the front spiral cone pulley may be selectively manipulated for controlling the gear ratio between the front spiral cone pulley and the rear pulley. In some embodiments, the rear pulley is also a spiral cone pulley.

대표청구항 ▼

1. A bicycle, comprising: a frame;a wheel attached to the frame;a spiral cone pulley having an axially tapered profile attached to the bicycle, the spiral cone pulley including a pulley axis of rotation, the spiral cone pulley including the shape of a disk having a first pulley side and a second pulley side, the first pulley side including the axially tapered profile;a first linkage guide disposed on the first pulley side, the first linkage guide forming a first guide channel, the first linkage guide advancing radially toward the pulley axis of rotation along the axially tapered profile of the first pulley side in the axial direction away from the second pulley side;a first tension linkage disposed on the spiral cone pulley, wherein the first tension linkage is received in the first guide channel; anda second linkage guide disposed on the first pulley side, wherein the second linkage guide includes a second guide channel,wherein the wheel is configured to turn when the first tension linkage is pulled in a direction away from the wheel. 2. The bicycle of claim 1, wherein: the first tension linkage comprises a cable. 3. The bicycle of claim 1, wherein: the second linkage guide advances radially toward the pulley axis of rotation along the axially tapered profile of the first pulley side in the axial direction away from the second pulley side. 4. A drive system for a human-powered vehicle, comprising: a frame;a first front spiral cone pulley attached to the frame;a first rear spiral cone pulley;a first tension linkage extending between the first front spiral cone pulley and the first rear spiral cone pulley;a second front spiral cone pulley attached to the frame;a second rear spiral cone pulley; anda second tension linkage extending between the second front spiral cone pulley and the second rear spiral cone pulley. 5. The drive system of claim 4, further comprising: a shift lock pawl pivotally attached to the frame. 6. The drive system of claim 5, further comprising: a crank arm pivotally attached to the frame, wherein the crank arm is angularly moveable relative to the first front spiral cone pulley. 7. The drive system of claim 6, further comprising: a power pawl pivotally attached to the crank arm. 8. The drive system of claim 7, further comprising: a plurality of pulley teeth disposed on an outer edge of the first front spiral cone pulley,wherein the power pawl is configured to selectively engage the plurality of pulley teeth in a ratcheting action. 9. The drive system of claim 4, further comprising: the first front spiral cone pulley including a first axially-tapered side;the second front spiral cone pulley including a second axially-tapered side;the first rear spiral cone pulley including a third axially-tapered side; andthe second rear spiral cone pulley including a fourth axially-tapered side,wherein the first and second axially-tapered sides face generally toward the frame and the first and second rear spiral cone pulleys face generally away from the frame. 10. The drive system of claim 9, further comprising: a first crank arm attached to the first front spiral cone pulley;a second crank arm attached to the second front spiral cone pulley;a rocker attached to the frame;a first rocker arm pivotally attached to the rocker and to the first crank arm; anda second rocker arm pivotally attached to the rocker and to the second crank arm. 11. The drive system of claim 10, wherein: the first and second rocker arms are rigid. 12. The drive system of claim 4, further comprising: a spiral guide channel defined in the first front spiral cone pulley, wherein the spiral guide channel forms at least a 180 degree spiral of decreasing radius relative to an axis of rotation of the first front spiral cone pulley.

이 특허에 인용된 특허 (31) 인용/피인용 타임라인 분석

Farmos George T., Apparatus for propelling a cycle.
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Stites William J. (47-18 Skillman Ave. Sunnyside NY 11104), Automatic bicycle transmission.
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Mantovaara Urpo (Tampere FIX) Niemi Jouko (Helsinki FIX), Automatic variable transmission for vehicles.
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Thir, Peter, Bicycle pedaling power unit with leverage shifting.
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Wei, Yi Pin, Bicycle stepping apparatus.
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Zampedro George P. (1034 Mercer St. ; N.E. Warren OH 44483), Bicycle wheel drive.
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Kerr Phillip L., Continuously variable all speed transmission.
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Miller, Donald C; Ross, Michael C, Continuously variable drivetrain.
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Kyle L. Hansen ; Larry L. Howell, Continuously variable transmission.
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Ray Rex Russell, Conveyer drive system.
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Min Yeong Hee ; Min Yoong Soon, Driving apparatus for bicycles and the like.
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Berman Paul A. (P.O. Box 1662 Los Angeles CA) Tarlow Kenneth A. (P.O. Box 1662 Santa Monica CA) Holmes Jack (P.O. Box 1662 Studio City CA) Douglas Allan (P.O. Box 1662 El Prado NM 87529), Dual-footboard low-profile exercise cycle.
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Schmidlin Dennis (1002 W. College Ave. Woodville OH 43469), Human powered vehicle and drive system.
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Husted Royce H. (711 Lakeside Dr. Wheaton IL 60187), Incrementally variable bicycle transmission.
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Dick Timber (P.O. Box 611 Burlingame CA 94010), Pedal driven vehicle.
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Salgado, Refugio, Pedal mechanism for cycles.
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Islas John J. (6980 Lincoln Knolls North Canastota NY 13032), Pedaled propulsion system.
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Seol Man T. (Dae Jeon KRX), Propulsion and speed change mechanism for lever propelled bicycles.
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Fasce Hector G. (1603 Bedworth Rd. Lutherville MD 21093), Propulsion and transmission mechanism for bicycles, similar vehicles and exercise apparatus.
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Farmos George T., Propulsion apparatus.
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Farmos George T., Propulsion apparatus.
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Seol Marn T. (Rochester NY), Propulsion mechanism for lever propelled bicycles.
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Ming Kuan Shang,HKX, Propulsion system for a bicycle.
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Stiller Alfred H. (443 Jefferson St. Morgantown WV 26505) Walton David R. (1905 42nd St. Parkersburg WV 26104), Reciprocating bicycle drive.
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Marion S. Kugel, Rectilinear propulsion apparatus.
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Brent Mark R. (285 Chiquita Ave. ; #3 Mountainview CA 94041) Papadopoulos Jim M. (241 Washington St. ; Apt. 2 Cambridge MA 02139), Regenerative braking system for bicycles.
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Sepulveda,Richard J., Systems and methods for propelling a vehicle.
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Chung-Suk Kim (Ga/109 ; Daeheung Apartment ; 134-1 Ojeong-dong Jung-ku ; Buchen-shi ; Kyonggi-do KRX), Transmission device assembly for a bicycle.
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Spirig Ernest (P.O. Box 1140 CH-8640 Rapperswil CHX), Variable ratio drive mechanism.
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Reswick James B. (1003 Dean Run Dr. McLean VA 22101), Variable speed ratio drive.
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Currie Neil R.,CAX ITX S7M 0J1, Velocipede drive.
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이 특허를 인용한 특허 (2) 인용/피인용 타임라인 분석

Chen, Chung-Cheng; Chen, Chung-Yi; Li, Sheng-Cian; Chen, Yu-Syong; Chiang, Yuan-Cheng, Connecting device for chainring of bicycle.
상세보기
Anderson, Ronald L., Electric propulsion control system.
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[미국특허] Spiral cone pulley reciprocal pedal drive system and methods 원문보기

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[미국특허] Spiral cone pulley reciprocal pedal drive system and methods 원문보기

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이 특허에 인용된 특허 (31) 인용/피인용 타임라인 분석

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