Fifth wheel coupling with safety latch

Details Fifth wheel coupling with safety latch Fifth wheel coupling with safety latch

2006-08-16

2010-02-02

Morris, Lesley (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S438100

Reexamination Certificate

active

07654553

ABSTRACT:
A safety latch is mounted in the keyhole of a fifth wheel coupling for joining the sections of an articulated vehicle. The safety latch is movable from an inactive position permitting the kingpin to move through the slot and into the aperture to an active position blocking the keyhole slot thereby preventing movement of the kingpin through the keyhole slot when the sections are coupled together.

REFERENCES:
patent: 1968623 (1934-07-01), Swift
patent: 3109669 (1963-11-01), Arnett
patent: 3251609 (1966-05-01), Daniels
patent: 3251610 (1966-05-01), Chosy
patent: 4208062 (1980-06-01), Maassen
patent: 4871182 (1989-10-01), Altherr et al.
patent: 5472223 (1995-12-01), Hawthorne et al.
patent: 6092825 (2000-07-01), Flater
patent: 6520527 (2003-02-01), Laarman
patent: 6695337 (2004-02-01), Breese et al.
patent: 7100935 (2006-09-01), Dunbar
patent: 2007/0257469 (2007-11-01), Burns et al.

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