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US 5,011,169 AGranted
Human power shopping cart propulsion device
OwnerHarold Henderson, Larry Hendersoninventors
Life of this patent
Estimating the term…
Abstract
A device for carrying a person and propelling a shopping cart. The device includes an easily detachable cross-bar for coupling a bicycle-like device to a shopping cart. The bicycle-like device includes a seat and pedals/sprocket assembly for propelling the shopping cart. The bicycle-like device includes dual rear wheels which enhances the stability and maneuverability of the coupled device.
Claims4
A human-powered shopping cart propulsion device, comprising:
- a wheeled propulsion unit including pedals;
- a yoke which extends forwardly from said propulsion unit;
- an adjustable length crossbar means for attaching said yoke to a shopping cart;
- said adjustable length crossbar includes attachment members at each end adapted to engage a shopping cart post;
- one of said attachment members is attached to a levered sleeve;
- said levered sleeve is pivotally attached to a connecting arm;
- said connecting arm is pivotally attached to a lever pivotally attached to said crossbar;
- and
- rotation of said lever causes said levered sleeve to engage and disengage a shopping cart post.
6 more elements
A shopping cart attachment for providing motive force to a shopping cart comprising:
- a frame including a seat support and pedal sprocket assembly;
- at least one wheel supporting said frame and located rearwardly of said seat;
- a chain extending between said pedal sprocket assembly and an axle of said at least one wheel;
- attachment means for securing said frame to said shopping cart;
- said attachment means includes a yoke member extending forwardly of said seat and connected to said frame adjacent said pedal sprocket assembly;
- said yoke member is foldable to permit compact storage of said shopping cart attachment;
- said yoke member pivotally attached to a support member for attachment for a shopping cart;
- said support member includes brackets at each end;
- and
- each said bracket is adjustable along the length of said support member to accommodate different shopping carts.
7 more elements
Dependencies are inferred from the claim text.