发明名称 Adjustable height hitch apparatus
摘要 An adjustable height hitch apparatus for a trailer includes a base having opposite first and second end portions. An elongated shaft extends outwardly from the base first end portion, and an elongated height adjustment member is attached to the base second end portion. A coupling apparatus, such as a lunette ring, is supportable by the height adjustment member via one or more fasteners at any of a plurality of elevations. The height adjustment member is configured to provide height adjustment for the coupling apparatus of at least about eight inches.
申请公布号 US9415647(B2) 申请公布日期 2016.08.16
申请号 US201414552916 申请日期 2014.11.25
申请人 TeleSwivel, LLC 发明人 Woolf William David
分类号 B60D1/46 主分类号 B60D1/46
代理机构 Myers Bigel & Sibley 代理人 Myers Bigel & Sibley
主权项 1. A trailer, comprising: a frame comprising a receiving member with an internal bore; a lip extending outwardly from the receiving member, wherein the lip is spaced apart from an opening of the internal bore; and an adjustable height hitch apparatus, comprising: a base comprising opposite first and second end portions;an elongated shaft extending outwardly from the base first end portion, wherein the shaft extends through the receiving member internal bore via the opening, wherein the shaft comprises a threaded distal free end, and wherein a correspondingly threaded nut is threadingly engaged with the shaft distal free end to secure the shaft to the trailer frame, wherein the base first end portion abuts the receiving member without engaging the internal bore, and wherein a portion of the base cooperates with the lip extending outwardly from the receiving member to prevent any axial rotation of the shaft;an elongated height adjustment member attached to the base second end portion; anda coupling apparatus supported by the height adjustment member, wherein the height adjustment member is configured to support the coupling apparatus at a plurality of elevations.
地址 Durham NC US