US 12,447,933 B2
Chain or belt drive lock
Vincent C. Cook, Ossining, NY (US)
Filed by Vincent C. Cook, Ossining, NY (US)
Filed on Aug. 19, 2022, as Appl. No. 17/821,013.
Claims priority of provisional application 63/260,411, filed on Aug. 19, 2021.
Prior Publication US 2023/0058865 A1, Feb. 23, 2023
Int. Cl. B66B 7/06 (2006.01); B60T 3/00 (2006.01)
CPC B60T 3/00 (2013.01) 16 Claims
OG exemplary drawing
 
1. A drive lock for use with a chain or belt drive system including a pulley and a chain or belt, the drive lock comprising:
a pulley interface configured to engage the pulley, the pulley interface including at least one pulley engagement protrusion configured to be received by the pulley when the pulley interface is engaged with the pulley; and
a chain or belt interface configured to engage the chain or belt, the chain or belt interface including at least one chain or belt engagement protrusion configured to be received by the chain or belt when the chain or belt interface is engaged with the chain or belt;
wherein the pulley interface and chain or belt interface are arranged with respect to each other to cause the drive lock to act as a wedge between the pulley and chain or belt to obstruct movement of the pulley and chain or belt when the pulley interface is engaged with the pulley and the chain or belt interface is engaged with the chain or belt,
wherein the pulley interface is connected to the chain or belt interface by a pivot connection, the pulley interface being pivotable about the pivot connection with respect to the chain or belt interface.