US 11,788,259 B2
Retainer sleeve with an anti-rotation feature
Corey Wells, Peoria, IL (US); Douglas Charles Serrurier, Morton, IL (US); and Jason Jura, Peoria, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Jun. 17, 2021, as Appl. No. 17/304,263.
Prior Publication US 2022/0403628 A1, Dec. 22, 2022
Int. Cl. E02F 9/28 (2006.01)
CPC E02F 9/2833 (2013.01) [E02F 9/2841 (2013.01); E02F 9/2858 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A retainer sleeve for use with a lock in a ground engaging tool with a lock cavity, comprising:
a body including an at least partially annular configuration defining a retainer axis, the body including:
an inner surface configured to rotatably receive an outer surface of the lock;
a plurality of plates circumferentially joined together with respect to the retainer axis, wherein a first plate of the plurality of plates includes a first leg joined to the first plate extending away from the retainer axis and configured to contact the lock cavity; and
an anti-rotation feature, disposed on the first plate, extending inward from the inner surface toward the retainer axis, the anti-rotation feature including a locking surface configured to contact a lock skirt of the lock, the locking surface disposed at a first angle with respect to a bottom end of the first plate, wherein the anti-rotation feature comprises a shell extending radially away from the locking surface, the shell sloping from the locking surface to the inner surface, and the shell defining a cavity.