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US 4,227,709 AGranted
Convertible hand truck-wagon
OwnerDonald R. Gradwohl, Jonald R. Gradwohlinventors
Life of this patent
Estimating the term…
Abstract
A hand truck which is convertible to a steerable wagon by means of a steering assembly fastenable to the hand truck handles. A body member and bottom member fastenable to the frame of the hand truck form the side walls and bottom, respectively, of the wagon.
Claims3
A convertible hand truck-wagon comprising
- a hand truck having a frame, handles attached to said frame and extending outwardly therefrom, means on said handles defining an opening, a pair of wheels rotatably mounted on the lower end of the frame, and a lift plate attached to said lower end, extending substantially perpendicular thereto,
- a steerable front wheel assembly including a bracket, means on said bracket defining a bore, a pair of wheels rotatably mounted on said bracket, and a yolk and tongue assembly pivotally mounted on said bracket,
- pin means insertable through said opening and said bore to detachably mount said front wheel assembly to said handles for pivoting relative thereto about a substantially vertical axis, and
- a body member having upstanding sides and opposed frame-engaging clamps on lower portions thereof, said clamps being adapted to releasably engage opposite regions of said frame, thus to clamp said member on said frame.
1 more element
A convertible hand truck-wagon comprising
- a hand truck having a frame, handles attached to the frame, said handles extending outwardly therefrom, a pair of wheels rotatably mounted on the lower end of the frame, and a lift plate attached to said lower end, extending substantially perpendicular thereto,
- a steerable front wheel assembly mountably fastenable to said handles to form a wagon having steerable front wheels,
- a lift plate extension member pivotally attached to said lower end for swinging between extended and retracted positions, wherein the extension member occupies a plane which is substantially parallel to planes occupied by the lift plate and the frame, respectively,
- a floor member including first, second and third sections pivotally connected edge-to-edge for selected folding between a substantially planar configuration, wherein said member may be detachably mounted on said frame to form a floor thereof, and a folded configuration wherein said first, second and third sections form the back, seat and seat support portions, respectively, of a seat which is mountable on said hand truck, with said first section being disposed adjacent said extension member, when the latter is in its extended position, and with said third section being supported by said frame,
- fastening means for fastening said first section on said extension member, and
- securing means for detachably securing said third section to said frame.
3 more elements
Dependencies are inferred from the claim text.