[특허]Exercising cart structure

[미국특허] Exercising cart structure 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63B-023/00 B62M-001/00
출원번호	US-0704619 (2000-11-03)
발명자 / 주소	James Lee TW
대리인 / 주소	Bacon & Thomas PLLC
인용정보	피인용 횟수 : 28 인용 특허 : 5

초록 ▼

An exercising cart structure. The structure includes a cart body, a front wheel steering unit, a driving wheel unit, a chain and a rear wheel unit. The front wheel steering unit is installed on a front section of the cart body. The driving wheel unit is installed on a middle section of the cart body. The rear wheel unit is mounted on a rear section of the cart body. The rear wheel unit via the chain is drivingly connected to the driving wheel unit. The driving sprocket of the driving wheel unit and the transmissions gears are mounted on the main and subsidiary supporting racks of the cart body. The chain is connected between the driving sprocket and the driven sprocket of the rear wheel unit.

대표청구항 ▼

1. An exercising cart comprising:a cart body; a front wheel steering unit including a pair of front wheels; a driving wheel unit; a chain; a rear wheel unit including a pair of rear wheels; the front wheel steering unit installed on a front section of the cart body; the driving wheel unit installed on a middle section of the cart body; the rear wheel unit mounted on a rear section of the cart body; the rear wheel unit via the chain drivingly connected with the driving wheel unit; a front side of the middle section of the cart body being elevated; two pedal pivot seats each having a pivot hole and disposed on two sides of an upper end section thereof; two oil pressure pivot seats, each having a pivot hole therethrough and respectively disposed on two sides of a rear face thereof and pivotally connected with one end of an oil pressure cylinder to the driving wheel unit; two main supporting racks disposed on two sides of a rear portion of the middle section of the cart body; a front side of each of the main supporting racks formed with a first guide rod through hole; a rear side of each of the main supporting rack including a pivot rod through hole; a transverse reinforcing beam disposed between the main supporting racks; two subsidiary supporting racks disposed at a middle section of the transverse reinforcing beam; a front side of each of the subsidiary supporting racks including a second guide rod through hole; a rear side of an upper end face of the subsidiary supporting rack including a sprocket notch and two thread holes; the rear wheel unit mounted on a rear section of the cart body; a driven sprocket adapted to rotate a wheel shaft that is connected with said rear wheels of the rear wheel unit; a base seat extending from a front end of a bottom side of a step face of a pedal, the base seat having a pivot hole at an end section thereof; a pair of oil pressure pivot seats each including a pivot hole downwardly projecting from a middle section of the base seat for pivotally connecting with another end of the oil pressure cylinder of the driving wheel unit, the base seat of the pedal pivotally connected to the pedal pivot seats of the cart body; the driving wheel unit comprising two bearings, a central pivot rod, the driving sprocket, two transmission gears, two fasteners, a sprocket cover, two pedals, two pedal pivot rods, two guide rods, a pair of the oil pressure cylinders and four oil pressure pivot rods, each of two ends of the central pivot rod including a locking thread section, the driving sprocket comprising at least one fly wheel, the transmission gears mounted on two sides of an axial center of the driving sprocket via the fly wheels, the bearings positioned at outer end sections of the transmission gears, the fasteners each comprising locking holes; an arch rack positioned behind the oil pressure pivot seats, the arch rack comprising a central guide arch slot; the driving sprocket of the driving wheel unit supported in the sprocket notches of the two subsidiary supporting racks of the cart body; the fasteners and the sprocket cover locked together to cover the driving sprocket; the central rod positioned through the pivot rod through hole of the cart body and the driving sprocket and the two transmission gears; the guide rod positioned through the guide rod through hole of the main supporting rack and through the central guide arch slot and fixed at the guide rod through hole of the subsidiary supporting rack; and the chain positioned between the driving sprocket of the driving wheel unit and the driven sprocket of the rear wheel unit.

이 특허에 인용된 특허 (5) 인용/피인용 타임라인 분석

Fan Ronnie Chee Keung, Drive mechanism for vehicle.
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Lin Chin-Lung (No. 692 ; Shan-Hsing-Chiao ; Shiang-Shan Shiang Hsing Chu Hsien TWX), Exercise tricycle.
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Rills Nolan J. (836 Mary Ave. Opelousas LA 70570), Foot-powered wheeled vehicle.
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Spital Wade (2319 Dutton Ave. Santa Rosa CA 95407-6979), Pedal-powered skateboard.
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Wang Leao,TWX ; Wu Peter,TWX, Side-sloping steering device for a skateboard.
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이 특허를 인용한 특허 (28) 인용/피인용 타임라인 분석

Patin,Pierre; Patin,Pierre Armand, Articulated vehicle.
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Patin,Pierre; Patin,Pierre Armand, Articulated vehicle.
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Brewer, Brian; McKinnon, Robert James, Bicycle.
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Brewer, Brian; McKinnon, Robert James, Bicycle.
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Brewer, Brian; McKinnon, Robert James, Bicycle.
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Brewer, Brian; McKinnon, Robert James, Bicycle.
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Brewer, Brian; McKinnon, Robert James, Bicycle.
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Prior, Gregory R.; Miller, Christopher Phillip, Device of human conveyance.
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Prior, Gregory R.; Miller, Christopher Phillip, Device of human conveyance.
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Eschenbach, Paul William, Exercise scooter.
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Eschenbach, Paul William, Exercise scooter with stunt features.
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Tsai,Sheue Ing, Foot propelled scooter.
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Jeng, Fu-shen, Kinetic energy generating mechanism.
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Wang, John Baron, Motor driven vehicle for transporting a standing person.
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Scolari, Nathan; Reiter, George, Non-motorized scooter.
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Chow, Johnny, Pedal powered scooter.
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Brewer, Brian; McKinnon, Robert James, Pedal scooter.
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Chiu, Po Lin; Tsay, Shern Ji; Piao Chang, Ching, Pedal scooter.
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Mehmet, Tuncer, Pedal scooter.
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Adams, Joshua, Personal vehicle.
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Scolari, Nathan Anthony; Lewis, Jr., Robert Wayne, Scooter.
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Yu, Hui-Nan, Scooter having reciprocating pedals.
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Baheti, Neeraj Dwarkadas, Stationary exercise scooter.
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Sans, William, Step-cycling apparatus.
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Pastilha, Adelino F., Stepper exercise scooter.
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Brewer, Brian; McKinnon, Robert James, Tricycle.
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Brewer, Brian; McKinnon, Robert James, Tricycle.
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Brewer, Brian; McKinnon, Robert James, Tricycle.
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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

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[미국특허] Exercising cart structure 원문보기