Material or article handling – Apparatus for moving material to a position in the erection...
Reexamination Certificate
2006-02-28
2006-02-28
Hess, Douglas (Department: 3651)
Material or article handling
Apparatus for moving material to a position in the erection...
C414S012000
Reexamination Certificate
active
07004705
ABSTRACT:
A wheeled dolly for transporting prefab homes or the like and having at least two outboard wheel means spaced apart a distance for normal road travel, and further having at least two inboard wheel means on opposite lateral sides of a longitudinal axis of the dolly whereby when a narrow roadway is encountered the operator can position the inboard wheel means thereon such that either or both of the outboard wheel means may actually be suspended off the sides of the roadway until the roadway regains a normal width, and wherein a steering mechanism is provided to synchronously pivot all said wheel means thru a steering angle whereby the dolly and load can be steered straight ahead or in sideways angular directions to avoid obstacles and to allow maneuvering of a long load around corners which are too sharp for conventional transport means.
REFERENCES:
patent: 2472932 (1949-06-01), Adkins
patent: 5655733 (1997-08-01), Roach
patent: 6129495 (2000-10-01), Marshall
patent: 6612601 (2003-09-01), Granlind
patent: 6846144 (2005-01-01), Justice
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