Land vehicles – Wheeled – With worker's support or shade
Reexamination Certificate
2000-03-07
2001-04-03
Johnson, Brian L. (Department: 3618)
Land vehicles
Wheeled
With worker's support or shade
C280S079200, C280S079500
Reexamination Certificate
active
06209891
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates generally to wheeled supports for containers and the like, and more specifically relates to a movable workseat cart that is particularly adapted to be used, in conjunction with a bucket, as a movable seat and implement tray for a workman in a work environment.
Wheeled supports for containers, commonly called dollies, are well known in the prior art. For the most part, the prior art support devices have been intended for use in connection with trash containers or containers for ornamental plants whether living or artificial. Such prior art applications generally serve merely as mechanisms for attaching caster-like wheels to a container so that the container may be pushed or pulled from place to place. In the prior art devices, wheels are coupled to the container variously by attaching the wheels to a base member, and the base member includes a projection or a recess for coupling the base member to the container. These prior art devices do not, however, anticipate or accommodate the unique requirements that are met by this invention, namely: supporting a workman together with a complement of related tools and equipment, safely and in a freely mobile manner on the floor of an often littered work environment. The present invention identifies and satisfies the variety of needs associated with these requirements.
BRIEF SUMMARY OF THE INVENTION
Accordingly, it is an object of this invention to provide means for accommodating a container so as to support the combined weight of a seated workman and his or her related equipment while concurrently positioning the equipment for ready access;
Another object of this invention is the provision of a seating cart having a low center of gravity to assure the safety of a workman who propels the cart by foot while seated on a container mounted on the cart;
Still another object of this invention is the provision of a seating cart that maintains maximum stability together with a low center of gravity while occupying a minimum of floor space;
And yet another object of this invention is the provision of a seating cart that precludes interference with the underside of the cart and obstruction of the wheels by most debris that may be strewn on the floor of a work environment.
These and other and further objects, features and advantages of the present invention will be made obvious to those having skill in this art by reference to the following specification and claims, and to the accompanying drawings, in which:
REFERENCES:
patent: 2321981 (1943-06-01), Bowers
patent: 3528676 (1970-09-01), Marcandalli
patent: 3688939 (1972-09-01), Beckers
patent: 4890807 (1990-01-01), Desjardins
patent: 4998696 (1991-03-01), Desjardins
patent: 5806867 (1998-09-01), Hampton
patent: 6116625 (2000-09-01), Tesch
patent: 6128853 (2000-10-01), Klonel et al.
Avery Bridget
Johnson Brian L.
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