Land vehicles – Wheeled – Two-wheel
Reexamination Certificate
1998-12-11
2001-05-22
Johnson, Brian L. (Department: 3611)
Land vehicles
Wheeled
Two-wheel
C280S079700
Reexamination Certificate
active
06234499
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to apparatus used at construction sites, particularly to apparatus for transporting heavy, long objects such as lumber, steel beams, sliding glass doors, windows, and laminated wood beams.
BACKGROUND OF THE INVENTION
At new or remodeling construction sites heavy, long beams and other large, heavy objects are incorporated into the structure being built. These beams and other heavy objects must be moved from a truck to the point of use at the construction site. Typically, heavy, long beams and other heavy objects are lifted and carried by two or more workers from the truck or from a location where they have been unloaded from the truck to the area within the construction site where they are to be used. Up to six workers are required to move one 30 foot beam. Many times the location where the beam is to be used is deep within the construction site and requires the beam to be moved across rough, uneven terrain including grass, rocks, tree roots, scraps and other obstacles. Furthermore, it may be necessary to move the beam through a narrow pathway between a fence on the property line and the existing structure. Because of the length, and particularly the weight (for example, several hundred pounds) of the beams or other large objects, it is very difficult for two or more workers to carry the beam over the rough, uneven terrain.
SUMMARY OF THE INVENTION
The present invention overcomes the disadvantages associated with prior art methods. of two or more employees lifting and transporting long, heavy beams and other heavy objects over uneven terrain. The present invention is comprised of at least one heavy object supporting surface attached to a cross member. The cross member and supporting surface are supported by an axle and two large inflated tires. Optionally, but preferably, the apparatus comprises a second heavy object supporting surface having a different width than the first supporting surface and being located on the opposite side of the axle from the first supporting surface.
In use, a long, heavy object is placed on one of the supporting surfaces between the two large inflated tires by one or two workers such that one worker can then grasp the end of the heavy, large object and push or pull the apparatus over uneven terrain and through narrow locations.
REFERENCES:
patent: 3717357 (1973-02-01), Schaefer
patent: 5048850 (1991-09-01), McDonald
patent: 5181731 (1993-01-01), Gustavsen
patent: 5318316 (1994-06-01), Shurtleff
patent: 5332243 (1994-07-01), Berry
patent: 5779252 (1998-07-01), Bolton, Jr.
patent: 5806868 (1998-09-01), Collins
patent: 5820145 (1998-10-01), Osowski
patent: 19867 (1890-12-01), None
patent: 2224701 (1990-05-01), None
Irwin David G.
Petersen Joel H.
Spurlock Bret A.
Beam Buddy, Inc.
Bright Earl
Johnson Brian L.
McClellan James S.
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