Collapsible frame assembly and stroller
First Claim
Patent Images
1. A frame transformable between a collapsed position and an upright position, comprising:
- a base;
an upper support having a proximal end;
a lower support having a distal end, said distal end connected to said base;
an upper brace having top and bottom ends, said top end connected to said lower support;
a lower brace having top and bottom ends, said bottom end of said lower brace connected to said base;
a first hinge connecting said upper support to said lower support so that said upper support and said lower support are movable from said collapsed position wherein said upper support is disposed substantially parallel to said lower support, to said upright position wherein said upper support is disposed rearward of and substantially aligned with said lower support;
a second hinge connecting said upper brace to said lower brace so that said upper brace and said lower brace are movable from said collapsed position wherein said lower brace is disposed substantially parallel to said upper brace, to said upright position wherein both said upper brace and said lower brace are substantially vertically disposed;
wherein said frame is transformed from said collapsed position to said upright position by pulling said upper support upwardly and rearwardly from said lower support.
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Abstract
A collapsible frame assembly which may be used as a stroller frame. The frame includes a base, an upper support, a lower support attached to the base, an upper brace attached to the lower support, and a lower brace attached to the base. Hinges connect the upper and lower support, and the upper and lower brace, to permit the transformation between collapsed and upright positions. The frame collapses in height and length, and is transformed between a collapsed position and an upright position by pulling the upper support upwardly and rearwardly from the lower support.
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Citations
20 Claims
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1. A frame transformable between a collapsed position and an upright position, comprising:
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a base; an upper support having a proximal end; a lower support having a distal end, said distal end connected to said base; an upper brace having top and bottom ends, said top end connected to said lower support; a lower brace having top and bottom ends, said bottom end of said lower brace connected to said base; a first hinge connecting said upper support to said lower support so that said upper support and said lower support are movable from said collapsed position wherein said upper support is disposed substantially parallel to said lower support, to said upright position wherein said upper support is disposed rearward of and substantially aligned with said lower support; a second hinge connecting said upper brace to said lower brace so that said upper brace and said lower brace are movable from said collapsed position wherein said lower brace is disposed substantially parallel to said upper brace, to said upright position wherein both said upper brace and said lower brace are substantially vertically disposed; wherein said frame is transformed from said collapsed position to said upright position by pulling said upper support upwardly and rearwardly from said lower support. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A stroller transformable between a collapsed position and an upright position, comprising:
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a base; an upper support having a proximal end; a lower support having a distal end, said distal end connected to said base; an upper brace having top and bottom ends, said top end connected to said lower support; a lower brace having top and bottom ends, said bottom end of said lower brace connected to said base; a first hinge connecting said upper support to said lower support so that said upper support and said lower support are movable from said collapsed position wherein said upper support is disposed substantially parallel to said lower support, to said upright position wherein said upper support is disposed rearward of and substantially aligned with said lower support; a second hinge connecting said upper brace to said lower brace so that said upper brace and said lower brace are movable from said collapsed position wherein said lower brace is disposed substantially parallel to said upper brace, to said upright position wherein both said upper brace and said lower brace are substantially vertically disposed; means for supporting a passenger disposed on said upper support and said lower support; wherein said frame is transformed from said collapsed position to said upright position by pulling said upper support upwardly and rearwardly from said lower support. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification