초록 ▼

A rolling and stepping vehicle capable of serving as a platform for a variety of working elements, e.g. a crane or an excavator, has a central support provided with a plurality of outwardly extending traveling legs. Each traveling leg is swingable relative to the support about a respective vertical

A rolling and stepping vehicle capable of serving as a platform for a variety of working elements, e.g. a crane or an excavator, has a central support provided with a plurality of outwardly extending traveling legs. Each traveling leg is swingable relative to the support about a respective vertical axis and is subdivided into an outrigger shank and a support shank articulated together. The support shanks can have extensible rams and are provided with rolling elements, e.g. wheels or tracks.

대표청구항 ▼

A rolling and stepping vehicle comprising: a central support adapted to serve as a tool platform; a plurality of traveling legs extending outwardly from said support; means pivotally connecting each of said legs to said support for swinging movement about a respective upright axis, each of said trav

A rolling and stepping vehicle comprising: a central support adapted to serve as a tool platform; a plurality of traveling legs extending outwardly from said support; means pivotally connecting each of said legs to said support for swinging movement about a respective upright axis, each of said traveling legs including an outrigger pivotally connected to said support at the respective axis and swingable in a vertical plane, and a support shank articulated to said outrigger and swingable in a respective vertical plane relative thereto; means on each of said legs for enabling the pivotal movement of the respective shank relative to the respective outrigger about a substantially vertical steering axis; rolling means on each of said shanks for rolling engagement with the ground; and a respective support ram telescopingly received in each of said shanks and extensible to support the platform on the ground independently of the respective rolling means.