|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/688 ; 180/62 ; 180/75 ; 180/88|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 1 인용 특허 : 2|
This invention relates to a wheel supported heavy load carrying vehicle which comprises a frame upon which a load may be supported. The frame includes a structural cross-member. Unlike the prior art, the spherical bearing is made an integral part of the cross-member. An axle box assembly is used to support the wheels which support the bulk of the load. The box assembly has a nose cone which has a concave bearing which mates with the spherical bearing on the structural cross-member.
A support structure for a heavy load carrying vehicle which comprises: a frame upon which a load may be supported, said frame including a rigid structural cross-member spaced intermediate the ends of said frame; a spherical inner bearing made an integral part of said cross-member and intermediate the ends thereof; an axle box for supporting drive wheels; a first support member rigidly connected to said axle box and having a concave outer bearing mating with said spherical inner bearing supporting part of the load, thrust and side forces; a second support...