Flatbar fifth wheel release handle

Details Flatbar fifth wheel release handle Flatbar fifth wheel release handle

1998-10-15

2000-07-25

Swann, J. J.

Land vehicles

Wheeled

Articulated vehicle

280434, B62D 5308

Patent

active

060928255

ABSTRACT:
A fifth wheel hitch, actuator and lock assembly comprising a bifurcated hitch plate, a kingpin engagement jaw movable between a closed position for engaging a kingpin and an open position for releasing a kingpin, a lever coupled with the jaw and operatively shiftably attached for movement of the jaw from the closed position to the open position when operatively shifted, a release handle attached to the lever and movable for shifting the lever to thereby move the jaw to the release position, the release handle having an outer end with a hand grip thereon, a pivotal lock on the release handle movable between an extended condition and a retracted condition, the pivotal lock in the extended condition being positioned to lockingly engage the hitch plate to prevent the release handle from moving to shift the lever, and in the retracted position to allow the release handle to move to shift the lever, a lock actuator extending between the pivotal lock and hand grip, and movable to pivot the pivotal lock from extended condition to retracted condition, and a biasing spring positioned to bias the pivotal lock to extended condition.

REFERENCES:
patent: 4721323 (1988-01-01), Czuk et al.
patent: 4871182 (1989-10-01), Altherr et al.
patent: 4949183 (1990-08-01), Benson et al.
patent: 5028067 (1991-07-01), Madura
patent: 5257796 (1993-11-01), Thorwall et al.
patent: 5988665 (1999-11-01), Terry et al.
patent: 5988666 (1999-11-01), Flater

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