Land vehicles – Wheeled – Extensible
Patent
1986-02-19
1986-12-30
Love, John J.
Land vehicles
Wheeled
Extensible
280650, 280658, 280 4736, 297379, B62B 708
Patent
active
046324216
ABSTRACT:
A foldable carriage with double lock includes a plurality of members which are pivotally connected to each other and can be folded from an open to a closed position. One of the members includes one pivotally mounted latch which can engage a pin on another one of the members to hold the carriage in its open unfolded position. Another latch with a holding mechanism is engaged between other members to hold the carriage in its open position. To close the carriage, this latch is pivoted and held in an unlocked position by its holding mechanism so that the first latch can be moved to fold the carriage. A multi-purpose plastic bearing block is also used to connect various parts of the frame.
REFERENCES:
patent: 2013910 (1935-09-01), Burst
patent: 3421774 (1969-01-01), Patterson
patent: 4506907 (1985-03-01), Miyagi
patent: 4529219 (1985-07-01), Shamie
patent: 4591176 (1986-05-01), Kassai
Love John J.
Mar Michael
LandOfFree
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