US 11,807,320 B2
Pin retention design for a track chain
Jose Gerardo De La Torre, Dunlap, IL (US)
Assigned to Caterpillar Inc., Peoria, IL (US)
Filed by Caterpillar Inc., Peoria, IL (US)
Filed on Nov. 13, 2020, as Appl. No. 17/097,697.
Application 17/097,697 is a continuation of application No. 15/943,823, filed on Apr. 3, 2018, granted, now 10,894,570.
Claims priority of provisional application 62/501,189, filed on May 4, 2017.
Prior Publication US 2021/0061380 A1, Mar. 4, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. F16B 35/00 (2006.01); B62D 55/21 (2006.01); F16B 21/10 (2006.01); B62D 55/32 (2006.01); B62D 55/26 (2006.01); B62D 55/14 (2006.01); B62D 55/20 (2006.01); F16B 19/02 (2006.01); F16B 41/00 (2006.01); F16B 43/00 (2006.01)
CPC B62D 55/21 (2013.01) [B62D 55/14 (2013.01); B62D 55/202 (2013.01); B62D 55/26 (2013.01); B62D 55/32 (2013.01); F16B 19/02 (2013.01); F16B 21/10 (2013.01); B62D 55/20 (2013.01); F16B 35/00 (2013.01); F16B 41/002 (2013.01); F16B 43/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A pin retention device comprising:
a fastener defining a longitudinal axis, a first end and a second end along the longitudinal axis, a head at the first end and a threaded portion at the second end;
a tubular spacer defining a thru-hole configured to receive the fastener; and
a nut defining a threaded hold configured to mate with the threaded portion of the fastener.