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US 8,220,824 B2Granted
Folding wagon
AssigneeBam Brokerage, Inc.
InventorsZhaosheng Chen, Yishun Chen
Life of this patent
Estimating the term…
Abstract
A folding wagon has a folding frame with a stowed position and an open position. The folding frame comprises a pair of front and rear vertical support. The folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links. A plurality of flatbed supports form a central flatbed support joint in the middle of the wagon. The central flatbed support joint folds upward when the folding frame is being configured into stowed position, and the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports. Wheels attach to the folding frame.
Claims16
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a fabric bed having rigid bottom panels, wherein the fabric bed has a front fabric wall, a rear fabric wall, and a pair of substantially parallel sidewalls;
- c. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- and
- d. wheels attached to the folding frame, further comprising four telescopic bushing mounted on the pair of front vertical support and on the pair of rear vertical support, wherein the pair of front vertical support and the pair of rear vertical support are substantially hollow;
- and further comprising four telescopic extensions, each mounted in telescopic configuration on each telescopic bushing;
- and further comprising four telescopic bulbs, each mounted at a telescopic extension upper end, wherein the telescopic extensions have a retracted position, retracting inside a hollow formed within the vertical support, and wherein the telescopic extensions have an extended position protruding above the vertical support;
- and further comprising a fabric canopy having a top panel, and four sidewalls forming four corners, wherein each of the four corners receives one of the four telescopic bulbs;
- wherein the four telescopic extensions flex toward the middle of the wagon for imparting a lodging force of the telescopic bulbs in each of the four corners, wherein the telescopic bushings retard retraction when the telescopic extensions are flexed.
8 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a fabric bed having rigid bottom panels, wherein the fabric bed has a front fabric wall, a rear fabric wall, and a pair of substantially parallel sidewalls;
- c. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- and
- d. wheels attached to the folding frame, wherein the plurality of flatbed supports further comprises a plurality of lengthwise flatbed supports and a plurality of widthwise flatbed supports, wherein there are eight lengthwise flatbed supports and four widthwise flatbed supports.
4 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a fabric bed having rigid bottom panels, wherein the fabric bed has a front fabric wall, a rear fabric wall, and a pair of substantially parallel sidewalls;
- c. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- d. wheels attached to the folding frame, further comprising a handle assembly having a handle grip connected to a handle stem which terminates on a handle yield providing a folding connection at a first handle joint, further comprising a lower stem connected to the second handle joint, wherein the second handle joint provides left to right swiveling and up and down swiveling, wherein the first handle joint provides up and down swiveling, wherein a handle clip is mounted on the front upper horizontal support to provide handle storage when the wagon is in stowed position.
3 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a fabric bed having rigid bottom panels, wherein the fabric bed has a front fabric wall, a rear fabric wall, and a pair of substantially parallel sidewalls;
- and
- c. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- d. wheels attached to the folding frame, further comprising a bag frame formed as a bent tube, wherein the bent tube forms the pair of rear supplemental links, one rear supplemental link at each end of the bent tube, wherein the pair of rear supplemental links extends rearwards from the wagon to form the bag frame;
- and further comprising a fabric bag mounted to the bag frame, wherein the bag frame forms a rim for the fabric bag, wherein the bag frame folds along with the wagon when the wagon is folded, wherein the bag frame drops down when folded.
5 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- and
- c. wheels attached to the folding frame, further comprising four telescopic bushing mounted on the pair of front vertical support and on the pair of rear vertical support, wherein the pair of front vertical support and the pair of rear vertical support are substantially hollow;
- and further comprising four telescopic extensions, each mounted in telescopic configuration on each telescopic bushing;
- and further comprising four telescopic bulbs, each mounted at a telescopic extension upper end, wherein the telescopic extensions have a retracted position, retracting inside a hollow formed within the vertical support, and wherein the telescopic extensions have an extended position protruding above the vertical support;
- and further comprising a fabric canopy having a top panel, and four sidewalls forming four corners, wherein each of the four corners receives one of the four telescopic bulbs;
- wherein the four telescopic extensions flex toward the middle of the wagon for imparting a lodging force of the telescopic bulbs in each of the four corners, wherein the telescopic bushings retard retraction when the telescopic extensions are flexed.
7 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- and
- c. wheels attached to the folding frame, wherein the plurality of flatbed supports further comprises a plurality of lengthwise flatbed supports and a plurality of widthwise flatbed supports, wherein there are eight lengthwise flatbed supports and four widthwise flatbed supports.
3 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- and
- c. wheels attached to the folding frame, further comprising a handle assembly having a handle grip connected to a handle stem which terminates on a handle yield providing a folding connection at a first handle joint, further comprising a lower stem connected to the second handle joint, wherein the second handle joint provides left to right swiveling and up and down swiveling, wherein the first handle joint provides up and down swiveling, wherein a handle clip is mounted on the front upper horizontal support to provide handle storage when the wagon is in stowed position.
3 more elements
A folding wagon comprising:
- a. a folding frame having a stowed position and an open position;
- wherein the folding frame comprises a pair of front and rear vertical support, a front upper horizontal support extending between the pair of front vertical supports, a rear horizontal support extending between the pair of rear vertical supports, and a pair of lower horizontal support, namely a front lower horizontal support extending between the pair of front vertical supports, and a rear lower horizontal support extending between the pair of rear vertical supports;
- wherein the folding frame further comprises a pair of front supplemental links and a pair of rear supplemental links, wherein the pair of front supplemental links are pivotally connected to diagonal folding members, wherein the pair of rear supplemental links are pivotally connected to diagonal folding members, wherein the pair of front supplemental links are pivotally connected to the pair of front vertical support, wherein the pair of rear supplemental links are pivotally connected to the pair of rear vertical supports;
- b. a plurality of flatbed supports forming a central flatbed support joint in the middle of the wagon, wherein the central flatbed support joint folds upward when the folding frame is being configured into stowed position, wherein the plurality of flatbed supports are pivotally connected to the pair of front vertical supports and the pair of rear vertical supports;
- and
- c. wheels attached to the folding frame, further comprising a bag frame formed as a bent tube, wherein the bent tube forms the pair of rear supplemental links, one rear supplemental link at each end of the bent tube, wherein the pair of rear supplemental links extends rearwards from the wagon to form the bag frame;
- and further comprising a fabric bag mounted to the bag frame, wherein the bag frame forms a rim for the fabric bag, wherein the bag frame folds along with the wagon when the wagon is folded, wherein the bag frame drops down when folded.
4 more elements
Dependencies are inferred from the claim text.