Motor vehicles – Special driving device – Stepper
Patent
1988-10-06
1989-09-05
Marmor, Charles A.
Motor vehicles
Special driving device
Stepper
180 81, 74469, 101 23, B62D 5702
Patent
active
048629804
ABSTRACT:
A vehicle with a plurality of legs which selectively alternately support and advance the vehicle in horizontal straight line motion, each of the legs comprises a support member, and in one embodiment, a first gear nonrotatively affixed to the support member, a first link pivotally connected to the support member at one end thereof, a means for rotatably driving the link about the pivotal connection, an idler gear pivotally mounted to the first link intermediate the ends thereof and in driving engagement with the first gear, a second link pivotally connected at one end thereof to the first link at the second end thereof, the second link having a planet gear affixed thereto and engaging the idler gear, whereby when the first link is pivotally driven by the drive means through the idler gear and the planet gear produces angular motion of the second link about the pivotal connection between the links, the first link is constructed and arranged to limit the angular movement of said second link in either direction, the support members are selectively vertically movable on the vehicle body to alternately allow the legs to contact the ground and move the vehicle body and to rise and permit the legs to be pivoted to a position for further movement of the vehicle body when the legs are again lowered to contact the ground. In alternate embodiments, the gears may be replaced with a wheel and cable drive system, or a sprocket and chain system which does not require an idler.
REFERENCES:
patent: 3269478 (1966-08-01), Joslyn
patent: 4202423 (1980-05-01), Soto
patent: 4265326 (1981-05-01), Lauber
patent: 4500251 (1985-02-01), Kiry et al.
patent: 4502566 (1985-03-01), Bartholet
patent: 4503924 (1985-03-01), Bartholet et al.
patent: 4600355 (1986-07-01), Johnson
patent: 4662465 (1987-05-01), Stewart
patent: 4728252 (1988-03-01), Lada et al.
patent: 4749330 (1988-06-01), Hine
Marmor Charles A.
McGiehan Donn
Montgomery Robert H.
Quest Systems, Inc.
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