US 12,304,785 B2
Support roller bearing regreasing arrangement for high load crank assembly
Thomas A. Neese, Columbus, IN (US); Barry M. Newberg, Florissant, MO (US); Raymond D. Heilman, Florissant, MO (US); and William R. Lewis, St. Peters, MO (US)
Assigned to Nidec Motor Corporation, St. Louis, MO (US)
Filed by Nidec Motor Corporation, St. Louis, MO (US)
Filed on Jul. 27, 2022, as Appl. No. 17/874,365.
Claims priority of provisional application 63/226,804, filed on Jul. 29, 2021.
Prior Publication US 2023/0031345 A1, Feb. 2, 2023
Int. Cl. F16C 3/22 (2006.01); B66F 3/00 (2006.01); B66F 3/44 (2006.01)
CPC B66F 3/005 (2013.01) [B66F 3/44 (2013.01); F16C 3/22 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A crank assembly for displacing a load, said crank assembly comprising:
a motor including a rotatable output shaft defining a rotation axis; and
a displacement arm assembly comprising:
a swingable crank arm coupled to the output shaft to swing about the rotation axis when the output shaft rotates, the swingable crank arm defining a pivot end adjacent the rotation axis and an opposite displacement end; and
a support roller bearing rotatably supported on the swingable crank arm proximate the displacement end, the support roller bearing being configured to engage the load, the support roller bearing defining a bearing axis, the bearing axis being substantially parallel to and offset from the rotation axis.