Land vehicles – Wheeled – Convertible
Patent
1995-02-28
1996-08-20
Boehler, Anne Marie
Land vehicles
Wheeled
Convertible
280648, 280 4734, 280 4738, 297 14, 297 60, 2972501, B62B 310
Patent
active
055472052
ABSTRACT:
A wheeled luggage cart comprising a folding seat and a handle that, through a simple rotation by the user, releases said seat and rotates it down from a folded up compact stowed position to a horizontal level position for seating the traveler. The seat is attached to the cart by means of a hinge assembly that engages the vertical posts of the cart and permits rotation of the seat to the two positions; in the deployed seating position, dual legs extend downward from the center of the seat to the floor to support the user's weight. To position these legs correctly, a connection guide link, attached to the luggage cart, guides the legs to their correct load bearing position. In addition to support this load, there is a diagonal compression link attached to the seat, and attached to the base of the luggage cart, to provide a truss structure to share the imposed weight. A sliding bracket on the cart allows the diagonal link to be compactly stowed with the seat flatly against the back of the cart. The linkage provides a stable seat on which the user may sit, and provides additional foot heel space beneath the seat when the user is seated and accomodates sizeable unbalanced body weight without the cart rolling or enduring structural failure. The seat in the folded position does not inhibit or prevent multiple stacking of carts.
REFERENCES:
patent: 1692930 (1928-11-01), Cummings
patent: 1869365 (1932-08-01), Corduan
patent: 2257211 (1941-09-01), Willoughby
patent: 3170709 (1965-02-01), Shackel
patent: 4381870 (1983-05-01), Muellner
patent: 4460215 (1984-07-01), Chamberlain et al.
patent: 5161811 (1992-11-01), Cheng
patent: 5213360 (1993-05-01), Lin
patent: 5374073 (1994-12-01), Hung-Hsin
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