发明名称 Combination sled and ramp
摘要 A device which can be used as a sled towed by a vehicle such as a snowmobile which can be converted to a ramp for loading a snowmobile or any vehicle onto a transporting device such as a truck. The device is comprised of a frame having vertical sides forming a container with a pair of skids attached beneath the frame and a tongue or hitch attached to one end for towing purposes. The sides and ends are attached in a manner which permits them to be adjusted to a position for converting the body of the slid to a loading ramp. A transition piece is attached to the end of the frame for attaching the device to a transporter for loading purposes. The vertical sides are hinged to adjust to various positions and act as guides, if desired. The frame is provided with suitable attachment devices so that the hitch or transition piece may be attached to either end.
申请公布号 US4070030(A) 申请公布日期 1978.01.24
申请号 US19760684997 申请日期 1976.05.10
申请人 CLARK, BOB J. 发明人 CLARK, BOB J.
分类号 B62B13/16;(IPC1-7):B62B13/16 主分类号 B62B13/16
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