US 12,420,883 B1
Economical bike lane sweeper
Pierre Lermant, sunnyvale, CA (US)
Filed by Pierre Lermant, sunnyvale, CA (US)
Filed on Jan. 12, 2021, as Appl. No. 17/147,285.
Int. Cl. B62J 50/17 (2020.01); B62J 23/00 (2006.01); B62J 43/30 (2020.01); E01H 1/05 (2006.01)
CPC B62J 50/17 (2020.02) [B62J 23/00 (2013.01); B62J 43/30 (2020.02); E01H 1/056 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A tow-behind sweeper comprising:
i) A frame supported by a plurality of wheels, a wheels' axis of rotation, wherein a direction of motion of the sweeper forms an approximate right-angle with said wheels' axis of rotation,
ii) A tow bar having a front-end and a back-end, said front-end is attached to a tow vehicle and a mechanical connection connects said back-end with said frame,
iii) A cylindrical brush assembly connected to said frame, said brush assembly has an axis of rotation
iv) An anchor, whereby said anchor position controls the amount of pressure between said brush assembly and the ground,
v) A link, a tongue protruding from said frame, wherein said tow bar is pivotably attached to said tongue, and said tow bar is pivotably attached to said link,
vi) A rotational-energy generating electric motor substantially within the frame,
vii) A coupling for transferring said electric motor rotational-energy to said brush assembly, whereby a rotation direction of said brush assembly is opposite to a rotation direction of said wheels.