Self-propelled roller drive unit
OwnerLloyd M. Forsterinventor
Life of this patent
Estimating the term…
Abstract
A self-propelled roller drive unit with enclosed power source, motor(s) and transmission(s) coupled to external reaction load such as golf bag frame, wheelchair, industrial transport, personal transport or other drive unit.
Claims11
Self-propelled roller drive unit characterized by hollow cylindrical roller internally mounted self-energized power means including rotary power output means, and planetary traction speed reduction transmission means having planet carrier means for coupling to external reaction load and planet means for transmitting traction drive between said output means and said roller, and further characterized by said planet means comprising dual traction planet mounted on said planet carrier means with spaced parallel rotational axes, said power means having a rotational axis parallel and substantially coplanar with said spaced rotational planet axes, and a rotational roller axis extending parallel to said spaced planet axes offset from their common plane so that lines joining the three axes in a plane normal thereto form an obtuse isosceles triangle.
Self-propelled roller drive unit characterized by hollow cylindrical roller internally mounted self-energized power means including rotary power output means, and planetary traction speed reduction transmission means having planet carrier means for coupling to external reaction load and planet means for transmitting traction drive between said output means and said roller, further characterized by axially aligned differentially rotatable roller drive unit halves each provided with said rotary power output means and planetary traction speed reduction transmission means.
Dependencies are inferred from the claim text.