Patent ID: 7731221
Filing Date: 2010-06-08
Classification: B62B

Abstract:
1. A collapsible and transportable dolly, comprising: first and second rigid base portions hingedly secured together at a central location; first and second pairs of wheels securing to underside locations associated with said base portions; first and second substantially rectangular and frame shaped end supports secured in upwardly extending fashion to opposite end locations of said hingedly connected base portions; and first and second pairs of top brackets secured in interconnecting and hinged fashion between said end supports, associated angled bracket portions pivotally connected with and extending from end locations of each of said top brackets and engaging said end supports in vertically displacing fashion; said pairs of top brackets being downwardly pivoted about central locations corresponding with said hinge locations, by virtue of engaging release buttons associated with said end supports; said rigid base portions collapsing inwardly and upwardly with said central hinged location elevating above and between additional hinge locations associated with said pairs of length extending and inwardly collapsing brackets; said dolly being converted from a use to a portable folded storage/transport position in which said base portions are rotated to seat against and within a sandwiching arrangement established by said frame shaped end supports, concurrent with said pairs of top brackets inwardly telescoping and downwardly folding concurrent with said angled brackets vertically displacing along channels defined in said end supports and so that a collapsed area of the dolly equals that of each end support.