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US 8,376,381 B2Granted
Versatile, collapsible cart-trailer with modular components
AssigneeCommonwheel Ventures, LLC
InventorsNadia Shalaby, Matteo Visentin
Life of this patent
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Abstract
A collapsible cart-trailer includes a folding mechanism that folds the cart-trailer into a small form factor, at least two wheels, modular, and removable and compartmentalized storage. The collapsible cart-trailer is operable in a cart mode and a trailer mode. In the trailer mode, the cart-trailer may be coupled to a movable object by a collapsible, length adjustable tow bar. In the cart mode, the cart-trailer includes a collapsible handle.
Claims15
A universal multi-modal utility cart for transporting goods, comprising:
- a folding mechanism that folds the utility cart into a small form factor;
- at least two wheels;
- modular, removable and compartmentalized storage;
- wherein:
- the utility cart is operable by multiple modes of transportation;
- and the folding mechanism comprises:
- a collapsible handle;
- a tripod assembly coupled to the collapsible handle comprising a length-adjustable vertical extrusion and a castor assembly;
- a foot pedal coupled to the tripod assembly for disengaging a locking mechanism of the utility cart;
- and
- a horizontal platform foldable automatically and synchronously with the folding mechanism;
- wherein the collapsible handle initiates length adjustment of the vertical extrusion and folding of the utility cart, and
- wherein the folding mechanism automatically collapses the at least two wheels, the castor assembly and the vertical extrusion such that the utility cart is folded into a small form factor.
10 more elements
A universal multi-modal utility cart for transporting goods, comprising:
- a folding mechanism that folds the utility cart into a small form factor;
- at least two wheels;
- and
- modular, removable and compartmentalized storage;
- wherein:
- the utility cart is operable by multiple modes of transportation;
- and
- the utility cart is operable in a trailer mode by hitching the utility cart to a movable object using a collapsible and extendable tow bar, the tow bar comprising:
- a first telescopic channel;
- a first adjuster for adjusting a length and angle of the first telescopic channel and locking the first telescopic channel into place;
- a second telescopic channel;
- a second adjuster coupling the first telescopic channel to the second telescopic channel for adjusting a length and angle of the second telescopic channel and locking the second telescopic channel into place;
- and
- a third adjuster coupled to the second telescopic channel for adjusting a position of the tow bar, wherein the first telescopic channel is insertable into a hollow groove of the second telescopic channel.
11 more elements
Dependencies are inferred from the claim text.