US 11,806,821 B2
Gearbox case with wear sleeve
John Floyd Bossa, El Reno, OK (US)
Assigned to Mid-States Oilfield Machine LLC, Oklahoma City, OK (US)
Filed by Mid-States Oilfield Machine LLC, Oklahoma City, OK (US)
Filed on Jan. 27, 2022, as Appl. No. 17/586,192.
Application 17/586,192 is a continuation of application No. 16/792,485, filed on Feb. 17, 2020, granted, now 11,261,954.
Claims priority of provisional application 62/807,456, filed on Feb. 19, 2019.
Prior Publication US 2022/0145978 A1, May 12, 2022
Int. Cl. B23P 6/00 (2006.01); F16H 57/02 (2012.01); F16H 57/03 (2012.01); F16H 1/20 (2006.01); F16C 35/07 (2006.01); B23P 19/04 (2006.01); F16H 57/021 (2012.01); F16H 57/032 (2012.01); F16C 35/077 (2006.01); F16H 57/00 (2012.01)
CPC B23P 6/00 (2013.01) [B23P 19/04 (2013.01); F16C 35/077 (2013.01); F16H 1/20 (2013.01); F16H 57/021 (2013.01); F16H 57/032 (2013.01); F16H 2057/0068 (2013.01); Y10T 29/49726 (2015.01)] 16 Claims
OG exemplary drawing
 
1. A method comprising:
installing a first wear sleeve within a gearbox case at a first end of a multi-diameter bore extending through the gearbox case;
wherein an inner diameter of the first wear sleeve forms part of a modified shaft bore extending through the gearbox case; and
wherein the modified shaft bore has a substantially uniform diameter across its length.