Rear wheel suspension system in vehicle
원문보기
IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0955104
(2001-09-19)
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우선권정보 |
JP-0284212 (2000-09-19) |
발명자
/ 주소 |
- Ozeki, Takashi
- Takayanagi, Shinji
- Kobayashi, Hiroyoshi
- Furuta, Shinji
- Tagami, Takuya
- Takamoto, Hirosi
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출원인 / 주소 |
- Honda Giken Kogyo Kabushiki Kaisha
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대리인 / 주소 |
Birch, Stewart, Kolasch & Birch, LLP
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인용정보 |
피인용 횟수 :
6 인용 특허 :
1 |
초록
▼
A rear wheel suspension system for a four-wheeled vehicle suitable for attaining vehicle weight reduction, setting weight distribution of the vehicle, improving vehicle design freedom, and decreasing the number of components as compared to conventional rear wheel suspension systems. The system inclu
A rear wheel suspension system for a four-wheeled vehicle suitable for attaining vehicle weight reduction, setting weight distribution of the vehicle, improving vehicle design freedom, and decreasing the number of components as compared to conventional rear wheel suspension systems. The system includes a joint member mounted in a rear portion of a vehicle body with a pair of left and right front wheels secured thereto, the joint member including a roll shaft extending substantially in the longitudinal direction of the vehicle body, and connecting to a vertical swing shaft extending in the transverse direction of the vehicle body. In addition, a power unit for supporting the two rear wheels is connected to a rear portion of the joint member by means of the vertical swing shaft, thereby allowing the power unit to be secured to the vehicle body rollably and swingably.
대표청구항
▼
1. A rear wheel suspension system for a vehicle comprising:a joint member mounted on a rear portion of a vehicle body with a pair of right and left front wheels secured thereto, the joint member including a roll shaft extending substantially in a longitudinal direction of the vehicle body, the roll
1. A rear wheel suspension system for a vehicle comprising:a joint member mounted on a rear portion of a vehicle body with a pair of right and left front wheels secured thereto, the joint member including a roll shaft extending substantially in a longitudinal direction of the vehicle body, the roll shaft being mounted wherein a front end portion thereof is positioned lower than a rear end portion thereof;a vertical swing shaft extending in a transverse direction of the vehicle body;a rear wheel support member combined with a power unit for supporting rear wheels; andtwo rear shock absorbers mounted between and connecting the power unit and the vehicle body,wherein said rear wheel support member is connected to the rear end portion of said joint member by means of said vertical swing shaft, thereby allowing said rear wheel support member to be secured to the vehicle body rollably and swingably. 2. The rear wheel suspension system in a vehicle according to claim 1, wherein the joint member further comprises:two flanges attached to a front end portion of the roll shaft for attaching the joint member to a body frame of the vehicle body;an outer case forming a bearing for supporting the roll shaft;two arms extending sideways and backwards from the outer case; anda bracket attached to a rear end of each of the two arms for mounting the power unit. 3. The rear wheel suspension system in a vehicle according to claim 2, wherein the roll shaft includes a nut threadedly engaged with the rear end portion of the roll shaft and disposed against the end of a collar to prevent dislodgement of the roll shaft from the outer case. 4. The rear wheel suspension system in a vehicle according to claim 2,wherein the roll shaft as well as the outer case and the arms rotate relatively with respect to each other; andwherein a rightward movement of the rear end portion of the roll shaft causes rear portions of the arms attached to the outer case move rightwards, thereby moving a rear portion of the power unit and rear portions of the rear wheels rightwards. 5. The rear wheel suspension system in a vehicle according to claim 2,wherein the roll shaft as well as the outer case and the arms rotate relatively with respect to each other, andwherein a leftward movement of the rear end portion of the roll shaft causes rear portions of the arms attached to the outer case move leftwards, thereby moving a rear portion of the power unit and rear portions of the rear wheels leftwards. 6. The rear wheel suspension system in a vehicle according to claim 1, wherein the power unit comprises an engine and a power transferring unit operatively connected to a rear wheel axle as an output shaft. 7. The rear wheel suspension system for a vehicle comprising:a joint member mounted on a rear portion of a vehicle body with a pair of right and left front wheels secured thereto, the joint member including a roll shaft extending substantially in a longitudinal direction of the vehicle body member;a vertical swing shaft extending in a transverse direction of the vehicle body;a rear wheel support member combined with a power unit for supporting rear wheels; andtwo rear shock absorbers mounted between and connecting the power unit and the vehicle body;wherein said rear wheel support member is connected to a rear portion of said joint member by means of said vertical swing shaft, thereby allowing said rear wheel support member to be secured to the vehicle body rollably and swingably, andwherein the joint member is provided with two arms extending sideways and backwards from a case of the roll shaft; and a bracket attached to a rear end of each of the two arms for mounting the rear wheel support member. 8. The rear wheel suspension system in a vehicle according to claim 7, wherein the joint member further comprises:a roll shaft with a front end portion and a rear end portion;two flanges attached to a front end portion of the roll shaft for attaching the joint member to a body frame of t he vehicle body;a bearing for supporting said roll shaft;a damper disposed between said roll shaft and said bearing; anda locking mechanism for locking a relative rotation between the roll shaft and the case. 9. The rear wheel suspension system in a vehicle according to claim 7, wherein said a front end portion is positioned lower than a rear end portion of the roll shaft. 10. The rear wheel suspension system in a vehicle according to claim 7, wherein the roll shaft includes a nut threadedly engaged with a rear end portion of the roll shaft to prevent dislodgement of the roll shaft from the case. 11. The rear wheel suspension system in a vehicle according to claim 7,wherein the roll shaft as well as the case and the arms rotate relatively with respect to each other, andwherein a rightward movement of the rear end portion of the roll shaft causes rear portions of the arms attached to the case move rightwards, thereby moving a rear portion of the power unit and rear portions of the rear wheels rightwards. 12. The rear wheel suspension system in a vehicle according to claim 7,wherein the roll shaft as well as the outer case and the arms rotate relatively with respect to each other, andwherein a leftward movement of the rear end portion of the roll shaft causes rear portions of the arms attached to the outer case move leftwards, thereby moving a rear portion of the power unit and rear portions of the rear wheels leftwards. 13. The rear wheel suspension system in a vehicle according to claim 7, wherein the power unit comprises an engine and a power transferring unit operatively connected to a rear wheel axle as an output shaft.
이 특허에 인용된 특허 (1)
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Takahashi Hirotake (Saitama JPX) Iiizumi Toru (Saitama JPX), Steering system for motor vehicle.
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Manternach, Doug; Kosco, James; Thomas, Brian, Suspension for scooter.
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Takayanagi,Shinji; Makuta,Yohei; Kobayashi,Hiroyoshi, Three-wheel vehicle with swinging mechanism.
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