发明名称 Pontoon boat center lift trailer axle assembly
摘要 A torsion axle for a trailer for transporting a load such as a pontoon boat. The torsion axle assembly is part of a wheel unit for maintaining stability for the trailer during transport. The torsion axle is assembled to have two pairs of resilient elements and an elongated shaft housed between inner and outer elongated sections. The inner and outer elongated sections are held together temporarily by a weld and then releasably held together by releasable fasteners in a normal use position.
申请公布号 US6003888(A) 申请公布日期 1999.12.21
申请号 US19980028100 申请日期 1998.02.23
申请人 GODBERSEN, BYRON L. 发明人 GODBERSEN, BYRON L.
分类号 B60G11/22;B60P3/10;(IPC1-7):F16F1/38 主分类号 B60G11/22
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