发明名称 |
Convertible construction machine |
摘要 |
A construction machine is disclosed having a main frame that is supported by means of three or four vertically adjustable suspension points from a pair of walking beams located on opposite sides of the main frame. Each walking beam has a vertical steering axis at each of its ends connected to a bogey-mounted self-propelled ground engagement means in the form of a wheel or endless track.
|
申请公布号 |
US4029165(A) |
申请公布日期 |
1977.06.14 |
申请号 |
US19760655389 |
申请日期 |
1976.02.05 |
申请人 |
MILLER FORMLESS CO., INC. |
发明人 |
MILLER, DAVID J.;MILLER, CHARLES P. |
分类号 |
B62D11/20;B62D55/065;E01C19/40;E01C19/48;E02B5/02;E02F9/02;E02F9/10;(IPC1-7):B62D11/04 |
主分类号 |
B62D11/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|