Land vehicles – Wheeled – Extensible
Patent
1978-05-08
1979-10-16
Song, Robert R.
Land vehicles
Wheeled
Extensible
280 78, 280 473, B62B 1100
Patent
active
041711394
ABSTRACT:
A collapsible pack cart comprises first and second frame members pivotally joined together and movable with respect to one another between an operating position, where they are oriented perpendicular to one another, and a folded position, where they are oriented laterally side by side and separated by a spaced distance. A wheel is carried rotatably by a carriage which is mounted to the frame members releasably in either an operative position where the wheel extends substantially perpendicular to the planes of both frame members when they are in their operating position, or a storable position where it is located entirely between the frame members when they are in their folded position. Support arms are attached releasably to that frame member which carries the wheel, and handles are attached to the other frame member for manipulation of the cart. Mounting means are provided for mounting the handles and support arms releasably to one of the frame members for transportation when the cart is folded, and locking means are provided for locking the frame members in their operating position.
REFERENCES:
patent: 1742137 (1929-12-01), Grosse
patent: 2979338 (1961-04-01), Dwyer
patent: 2992834 (1961-07-01), Tidwell
patent: 3222100 (1965-12-01), Lindzy
patent: 3860254 (1975-01-01), Wegener
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