|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|인용정보||피인용 횟수 : 3 인용 특허 : 2|
An assemblage for hand trucks which provides for interchangeable runners and wheels, as desired, to move the hand truck over a particular surface. The assemblage has a support frame which may be releasably secured to the frame of a hand truck and a supporting means which is releasably secured to the support frame to permit movement with respect thereto. The supporting means may be manipulated to rotate runners or wheels into contact with a surface while simultaneously rotating the wheels or runners out of contact with the surface. The support means may b...
An assemblage for use with a hand truck, the assemblage suporting a pair of wheels and a pair of runners such that the pair of runners and the pair of wheels may be interchanged to facilitate movement of the hand truck over dissimilar surfaces, the assemblage comprising: a support frame adapted to be releasably secured to the hand truck; and means for supporting said pair of wheels and said pair of runners such that when one of said pair of wheels and said pair of runners is rotated from an operative position in contact with said surface to an inoperativ...