Motor vehicles – Motor-carrying attachments
Patent
1994-03-18
1995-08-08
Johnson, Brian L.
Motor vehicles
Motor-carrying attachments
180 191, 280510, 280 33991, B62D 504
Patent
active
054390699
ABSTRACT:
A powered pusher vehicle for moving a train of nested shopping carts, the vehicle having a main body portion with a central drive wheel powered by an electric motor through a worm gear transmission. Caster wheels support one end of the vehicle for ease of steering and easy manipulation of the pusher vehicle when it is not connected to the carts. A pair of normally raised wheels, on each side of the drive wheel, may be lowered to raise the drive wheel from the ground. A remote control allows the operator to manually guide the lead cart while controlling speed of the pusher vehicle with the remote control. The vehicle includes a pair of latch members for automatically connecting the front of the vehicle to a rearmost one of the nested carts. The arrangement permits a single person to manipulate a long train of nested shopping carts with ease.
REFERENCES:
patent: 2200654 (1940-05-01), Ruhl
patent: 2409831 (1946-10-01), Brodale
patent: 2749996 (1956-06-01), Parker et al.
patent: 3905437 (1975-09-01), Kaiho et al.
patent: 4484755 (1984-11-01), Houston
patent: 4771840 (1988-09-01), Keller
patent: 5082074 (1992-01-01), Fischer
patent: 5322306 (1994-06-01), Coleman
Johnson Brian L.
Mar Michael
Siemens Terrance L.
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