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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0512628 (1974-10-07) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
Wheel for bicycle is mounted upon a wheel-mounting structure which is rigidly attached to the bicycle frame. The wheel is positioned so that, when the bicycle tilts backward to a semi-stable position on its rear wheel, the bicycle safety and conversion wheel of this invention prevents excessive furt
In combination with a conventional bicycle having a frame, a rotatably mounted front wheel, a rear axle secured to said frame, a rear wheel rotatably mounted on said rear axle, a seat post, a seat mounted in said seat post, and a seat support structure having two distal ends, one of said distal ends
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