发明名称 Energy dampening drawbar
摘要 An energy dampening drawbar for use with receiver hitches and specialty types of hitches is described as including an elongated hollow shank having slots on opposite sides. A first cushion block is located within the shank and has a portion of the first cushion block adjacent one surface of a pin block. The pin block has a hole that aligns with a portion of the two slots. A second cushion block is located within the shank adjacent another surface of the pin block. A first restraint prevents longitudinal travel within the shank by the first cushion block. A second restraint prevents longitudinal travel within the shank by the second cushion block. A plate is attached to one end of the shank to provide a surface for attaching a trailer coupling.
申请公布号 US5380030(A) 申请公布日期 1995.01.10
申请号 US19930018368 申请日期 1993.02.16
申请人 GULLICKSON, RUSSELL C. 发明人 GULLICKSON, RUSSELL C.
分类号 B60D1/30;B60D1/50;F16F1/44;(IPC1-7):B60D1/00 主分类号 B60D1/30
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