Motor vehicles – Steering by driving – Independently operable drive motors
Patent
1981-09-23
1983-03-08
Peters, Jr., Joseph F.
Motor vehicles
Steering by driving
Independently operable drive motors
180DIG3, 248129, 269 17, 280 29, 280220, 297DIG4, 182 2, B62D 11004, B62D 61012
Patent
active
043758401
ABSTRACT:
A base frame is provided defining two pairs of opposite marginal portions with the pairs of marginal portions spaced horizontally apart in vertical planes intersecting each other and the marginal portions of each pair spaced on opposite sides of the point of intersection of the planes. A first pair of omnidirectional support structures are mounted from a first pair of the marginal portions and a second pair of reversely and variably drivable support structures are steerably mounted from the second pair of marginal portions for angular displacement about upstanding axes relative to the second pair of marginal portions. Further, steering control structure is operably connected between the frame and the second pair of support structures operable to selectively, variably and equally angularly displace the second pair of support structures relative to the second marginal portions. A pair of extendible uprights are mounted at their lower ends from the frame for equal angular displacement about a first horizontal axis extending therebetween and equal angular displacement about horizontal axes generally normal to the first axis. A brace is pivotally connected between the upper extendible ends of the uprights and includes a sleeve thereon oscillatable about its longitudinal axis and a support arm projects outwardly from the sleeve and is longitudinally extendible. The outer extendible end of the arm supports an operator mount therefrom for adjustable angular displacement about a horizontal axis transverse to the support arm.
REFERENCES:
patent: 3236556 (1966-02-01), Lathers
patent: 3882949 (1975-05-01), Anderson
patent: 3901337 (1975-08-01), Cragg
patent: 3905436 (1975-09-01), Karchak, Jr. et al.
patent: 3937519 (1976-02-01), Schoolden
patent: 3952822 (1976-04-01), Udden et al.
patent: 4010499 (1977-03-01), Davis et al.
Hill M. J.
Jacobson Harvey B.
Peters Jr. Joseph F.
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