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US 2014/0191483 A1Published application
Maneuverable strollers
AssigneeKolcraft Enterprises, Inc.
InventorsPeter Rolicki, Liviu Iftinca, Wes Thomas, Ted Bretschger
Life of this patent
Estimating the term…
Abstract
Maneuverable strollers are disclosed herein. An example stroller disclosed herein includes a frame having a front wheel and rear wheel to support the frame. An intermediate wheel is positioned between the front wheel and the rear wheel. A carriage is coupled to the rear wheel, the intermediate wheel and the frame.
Claims30
A stroller comprising:
- a frame;
- a front wheel and a rear wheel to support the frame;
- an intermediate wheel positioned between the front wheel and the rear wheel;
- and
- a carriage coupled to the rear wheel and the intermediate wheel, the carriage pivotally mounted to the frame to enable the frame to pivot about a pivot axis when the front wheel of the stroller is elevated relative to the intermediate wheel and the rear wheel, the pivot axis being offset relative to an axis of rotation of the intermediate wheel and an axis of rotation of the rear wheel.
2 more elements
(canceled)
A stroller comprising:
- a frame having a first side frame assembly laterally spaced from a second side frame assembly to define a seating area therebetween;
- a front wheel to support a front end of the frame;
- a rear wheel to support a rear end of the frame;
- an intermediate wheel to provide a turning pivot positioned between the front wheel and the rear wheel;
- and
- an axle extending between the first side frame assembly and the second side frame assembly, the axle defining a pivot axis about which the frame is to pivot when the front wheel is raised relative to the rear wheel and the intermediate wheel, the axle positioned between an axis of rotation of the intermediate wheel and an axis of rotation of the rear wheel.
3 more elements
A method of manufacturing a stroller, the method comprising:
- mounting a front wheel to a front portion of a frame;
- mounting rear wheels and intermediate wheels to the frame such that the intermediate wheels are positioned between the front wheel and the rear wheels;
- and
- providing a pivot axis between the rear wheels and the intermediate wheels to enable the front portion of the frame to elevate relative to a rear portion of the frame, the pivot axis being positioned between an axis of rotation of the rear wheel and axis of rotation of the intermediate wheel.
1 more element
A stroller comprising:
- a frame;
- a front wheel and a rear wheel to support the frame;
- an intermediate wheel positioned between the front wheel and the rear wheel;
- a carriage coupled to the rear wheel, the intermediate wheel and the frame;
- and
- a suspension to provide a reactive force when a front end of the stroller is pivoted upward with the rear wheel and the intermediate wheel on a ground surface.
3 more elements
Dependencies are inferred from the claim text.