US 11,870,370 B2
Variable resistance brake caster assembly
Venkatesh Chitragar, Bangalore (IN); and Vinayak Vijaya Chandran, Bengaluru (IN)
Assigned to GOODRICH CORPORATION, Charlotte, NC (US)
Filed by GOODRICH CORPORATION, Charlotte, NC (US)
Filed on Jul. 31, 2020, as Appl. No. 16/945,106.
Claims priority of application No. 202041019852 (IN), filed on May 11, 2020.
Prior Publication US 2021/0351721 A1, Nov. 11, 2021
Int. Cl. H02N 2/04 (2006.01); B64D 9/00 (2006.01); B65G 13/075 (2006.01); B65G 39/02 (2006.01); B65G 43/08 (2006.01); B65G 39/09 (2006.01)
CPC H02N 2/043 (2013.01) [B64D 9/00 (2013.01); B65G 13/075 (2013.01); B65G 39/02 (2013.01); B65G 39/09 (2013.01); B65G 43/08 (2013.01); B64D 2009/006 (2013.01); B65G 2203/0258 (2013.01); B65G 2203/042 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A brake mechanism for a brake caster, comprising:
a roller cylinder having a hollow interior and an inner cylindrical surface;
a brake shaft disposed within the hollow interior of the roller cylinder and having an outer cylindrical surface;
a piezoelectric disk disposed within the hollow interior of the roller cylinder; and
a rotor disk disposed adjacent the piezoelectric disk.