专利名称：A hitch assembly发明人：Heeb, John Paul申请号：EP95306234.6申请日：19950906公开号：EP0704369A1公开日：19960403
专利附图：
摘要：A fifth wheel hitch (10) has a fifth wheel hitch plate (12) with a bifurcated rearportion defining a kingpin-receiving mouth (16), throat (18) and latch, an upper surfaceand an upstanding peripheral rim (12') defining a pocket (12'') over substantially all of thehitch plate (12), a plurality of lubricious polymeric pads (30,32) filling the pocket (12''),
specially configurated to interfit and form a bearing surface over substantially all of thehitch plate (12), the pads (30,32) each comprising a steel underlayer (40) having a bottomsurface on the hitch plate and having a top surface, and a lubricious polymeric overlayer(42) bonded on the top surface of the steel underlayer (40) and extending above the rim.The hitch plate (12) has a pattern of a plurality of vertical, fastener-receiving orifices (24)extending therethrough, a plurality of threaded studs (44) having upper ends studwelded to the steel underlayer (40) bottom surface, positioned to correspond to thepattern of orifices (24) in the hitch plate (12) and having lower ends extending downthrough the orifices (24), and a plurality of fastener nuts (48) on the lower ends of thestuds (44) for securing the pads (30,32) to the hitch plate (12). The configurated pads(30,32) are preferably in a group of three, with two of them (30) being mirror images ofeach other on opposite sides of the hitch, or in a group of six, with four of them (130a,b131a,b) being mirror images of each other on the same side and on opposite sides of thehitch (10), and the remaining two (132a,b) being mirror images of each other.
申请人：HOLLAND HITCH COMPANY
地址：467 Ottawa Avenue, PO Box 2099 Holland, Michigan 49422-2099 US
国籍：US
代理机构：Maggs, Michael Norman
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