|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||180/1P ; 180/7P ; 280/714 ; 280/16|
|발명자 / 주소|
|인용정보||피인용 횟수 : 6 인용 특허 : 0|
A bicycle frame equipped with two, in line, runner attachments and a thrust producing device for use on snow or ice.
In a runner attachment for bicycles having front and rear axles; a runner having a “T”shape in lateral cross section comprised of longitudinally extending angle members, a link attached to the runner to incline from the rear of the runner to a point located directly above midspan of the runner at which point are mounted bearings for attachment to the front and rear bicycle axles, a self-contained reaction thrust device, support member means attached to the inclined link for supporting the reaction thrust device so as to act toward the rear.