Pin box assembly
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United States of America Patent
Stats
-
Aug 17, 2010
Grant Date -
Dec 4, 2008
app pub date -
May 31, 2007
filing date -
May 31, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pin box assembly comprising a first portion, a second portion, a connective member disposed between the first portion and the second portion, the first portion comprising a torque portion, the torque portion comprising a bar disposed within a tube and at least one resilient member disposed between the bar and the tube, the bar fixedly connected to the first portion, the tube fixedly connected to the second portion, the resilient member compressible between the bar and the tube upon rotation of the bar with respect to the tube, a connective member fixedly connected to the tube and to the second portion, and a hitch member connected to the first portion for engaging a hitch on a towing vehicle.
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