Motor vehicles – With means for controlling operation responsive to... – Having controlling means adapted to interact with stationary...
Patent
1990-12-07
1993-05-25
Focarino, Margaret A.
Motor vehicles
With means for controlling operation responsive to...
Having controlling means adapted to interact with stationary...
180212, B62D 6106
Patent
active
052131769
ABSTRACT:
A self-propelled vehicle capable of all directional movement over a floor surface and adapted to be guided along a path such as a semiconductor processing line. The vehicle is provided with at least three wheels having a construction enabling rotational movement in a rotational plane of the wheel and in a direction orthogonal thereto. When at least four wheels are provided, the vehicle is provided with a suspension mechanism for mounting the wheels and a mechanism for maintaining a parallel relationship of the suspension mechanism and a chassis of the vehicle so that slanting of the vehicle body during travel is avoided. Also, the vehicle is provided with a vibration preventing base interposed between the vehicle and a substance mounting base for controlling the proper vibration frequency of the vibration presenting base to be lower than 1/.sqroot.2 of the proper vibration frequency of the vehicle.
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patent: 4715460 (1987-12-01), Smith
Adachi Kazumi
Akaiwa Masayasu
Hamada Toyohide
Ikeda Minoru
Kikuchi Hiroshi
Focarino Margaret A.
Hitachi , Ltd.
Mar Michael
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