Land vehicles – Wheeled – Extensible
Patent
1985-03-06
1987-04-21
Love, John J.
Land vehicles
Wheeled
Extensible
280 4737R, B62B 302
Patent
active
046590960
ABSTRACT:
A carriage device providing a base structure having a frame with a pair of parallel tubular members and front and rear cross members extending between and secured therewith to provide a rectangular configuration, and wheel means for movably supporting the base structure having a folded position proximate to the base structure and an extended operative position. Handle means provide for the base structure is movable between a folded position proximate to the base structure and an extended position away from the base structure, and wheel positioning means comprise a pair of elongated rod elements each received and enclosed within a respective one of the tubular members are rotatable for moving the wheel means between their extended and folded positions by the corresponding movement of the handle means. Locking means engage the rod elements of the wheel positioning means for automatically locking the wheel positioning means against movement when the wheel means is either in its extended or folded positions. An infant seat is extendable from the handle means for use and is foldable when not in use. A foldable frame unit is secured with the front cross member to provide the container of a collapsible shopping cart.
REFERENCES:
patent: 861475 (1907-07-01), McGill
patent: 863972 (1907-08-01), Ehlers
patent: 924008 (1909-06-01), Smith
patent: 2582435 (1952-01-01), Howard
patent: 2587688 (1952-03-01), Bosk
patent: 2786692 (1957-03-01), Timpson
patent: 3400942 (1968-09-01), Hull
patent: 4274644 (1981-06-01), Taylor
Love John J.
Mar Michael
Trachtman Jacob
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