Folding three-cornered vehicle

Details Folding three-cornered vehicle Folding three-cornered vehicle

1978-11-24

1980-04-15

Bertsch, Richard A.

Land vehicles

Wheeled

Extensible

280278, 280652, B62B 706

Patent

active

041980697

ABSTRACT:
A wheeled vehicle primarily useful for play purposes can be constructed so that it can be manipulated or folded between an open position in which the vehicle can be used and a folded, relatively flat position in which it can conveniently be shipped and stored. The vehicle described includes sides or side panels which are connected by a front hinge and which are also connected by back and bottom panels. These back and bottom panels are hinged relative to one another and relative to the sides so as to permit folding and unfolding. Preferably the front hinge has a pivot pin which carries one of the wheels used to support the vehicle and which also carries a handle used in steering the vehicle. Other wheels are provided on the extremities of the sides remote from the front hinge.

REFERENCES:
patent: 2800335 (1957-07-01), Clapp
patent: 3212596 (1965-10-01), Johnson
patent: 4109933 (1978-08-01), O'Brian
patent: 4122638 (1978-10-01), O'Brian
"Mathematical Models," Oxford University Press, Copyright 1961, pp. 236-238.

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