发明名称 Support for booms and other field equipment
摘要 A wheeled support, alone and in combination with an implement to be transported over the surface of the ground, the support including a caster wheel swivelled in a bracket, a platform for connection to the implement, and a spring and a shock absorber acting between the wheel bracket and the platform.
申请公布号 US4449725(A) 申请公布日期 1984.05.22
申请号 US19810261917 申请日期 1981.05.08
申请人 ROBISON, DECEASED, WILLIAM G.;ROBISON, EXECUTRIX, BY LUANN 发明人 ROBISON, DECEASED, WILLIAM G.;ROBISON, EXECUTRIX, BY LUANN
分类号 B60B33/04;(IPC1-7):B60B33/00;B62D61/00 主分类号 B60B33/04
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