B - Operations – Transporting – 60 – D
Patent
B - Operations, Transporting
60
D
B60D 1/06 (2006.01) B60D 1/28 (2006.01)
Patent
CA 2325794
A fifth wheel ball hitch latching assembly includes a housing, a funnel mounted within the housing and defining a conical-shaped passage for guiding movement of a ball hitch into the funnel through an open bottom end thereof toward an open top end thereof as the housing is lowered onto the ball hitch, a shaft mounted in the housing to undergo movement along a longitudinal axis of the housing between raised and lowered positions, the shaft having a lower end extending through the open top end and into the passage of the funnel and biased toward the lowered position, a pair of latch dogs extending through slots in the funnel and being movable away from and toward the longitudinal axis of the housing between retracted and extended positions, a linkage pivotally connecting the shaft with the latch dogs such that movement of the shaft between the lowered and raised positions causes the latch dogs to correspondingly move between the retracted and extended positions such that insertion of the ball hitch through the open bottom end of the funnel brings the ball hitch into contact with the lower end of the shaft causing the shaft to move from the lowered to raised position and thereby cause the latch dogs to move from the retracted to extended position such that the latch dogs capture the ball hitch within the funnel and thereby couple the ball hitch to the trailer tongue, and a locking mechanism mounted on the housing and extending adjacent to the shaft and after movement of the shaft to the raised position being actuatable from an unlocked to locked condition so as to retain the shaft at the raised position and thereby retain the latch dogs at the extended position.
Borden Ladner Gervais Llp
Kissack Douglas W.
LandOfFree
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