The present invention relates to a towing bar assembly that may convert from an articulated assembly extracting a vehicle in an inaccessible location to a rigid assembly for safely towing a vehicle on a road.
申请公布号
US8353522(B2)
申请公布日期
2013.01.15
申请号
US201113076520
申请日期
2011.03.31
申请人
HELLAND CHAD LEIGHTON;FINCHER CHARLES KENNITH;ELHARDT PAUL MICHAEL;SMITH ELLIS J.
发明人
HELLAND CHAD LEIGHTON;FINCHER CHARLES KENNITH;ELHARDT PAUL MICHAEL;SMITH ELLIS J.
