Land vehicles – Wheeled – Extensible
Patent
1994-10-25
1996-02-13
Tyson, Karin L.
Land vehicles
Wheeled
Extensible
280 4729, 403102, B62B 104
Patent
active
054906881
ABSTRACT:
A control device is provided for folding and extending a baggage cart which includes a substantially U-shaped support member having a horizontal first bight and two parallel vertical legs, a substantially U-shaped handle portion having a horizontal second bight and two parallel elongated stands each respectively pivotally engaged with a corresponding one of the vertical legs, a base member pivotally engaged with the support member, the control device including a movable sleeve member which is movably mounted on the pair of elongated stands and has a top plate, a pair of lug portions each laterally formed on the movable sleeve member and each having a vertical passage longitudinally defined therein for receiving a corresponding one of the elongated stands, the sleeve member having an opening facing downwardly for receiving the pair of vertical legs therein with the first bight of the support member abutting against the top plate of the sleeve member.
REFERENCES:
patent: 2744794 (1956-05-01), Sheard
patent: 4270239 (1981-06-01), Gross
patent: 4401319 (1983-08-01), Kazmark
patent: 4637626 (1987-01-01), Foss et al.
patent: 5431428 (1995-07-01), Marchwiak et al.
Mar Michael
Pelton William E.
Tyson Karin L.
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