US 12,305,705 B2
Modular crankshaft
Micheal Cole Thomas, Azle, TX (US); Christopher Todd Barnett, Stratford, OK (US); Kelcy Jake Foster, Sulphur, OK (US); Nicholas Son, Davis, OK (US); and John Keith, Ardmore, OK (US)
Assigned to Kerr Machine Co., Sulphur, OK (US)
Filed by Kerr Machine Co., Sulphur, OK (US)
Filed on Aug. 5, 2024, as Appl. No. 18/794,580.
Application 18/794,580 is a continuation of application No. 18/324,242, filed on May 26, 2023, granted, now 12,055,181.
Claims priority of provisional application 63/488,358, filed on Mar. 3, 2023.
Claims priority of provisional application 63/408,910, filed on Sep. 22, 2022.
Claims priority of provisional application 63/394,740, filed on Aug. 3, 2022.
Claims priority of provisional application 63/394,012, filed on Aug. 1, 2022.
Claims priority of provisional application 63/346,372, filed on May 27, 2022.
Prior Publication US 2024/0392828 A1, Nov. 28, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. F16C 3/06 (2006.01); E21B 43/26 (2006.01); F16B 37/08 (2006.01); F16C 3/12 (2006.01)
CPC F16C 3/12 (2013.01) [F16C 3/06 (2013.01); E21B 43/2607 (2020.05); F16B 37/08 (2013.01); F16C 2226/60 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a crankshaft, comprising:
a first main bearing journal positioned in a side-by-side relationship with a second main bearing journal, the first and second main bearing journals each comprising:
a cylindrical body with opposed first and second sides;
a first connection element on the first side; and
a second connection element on the second side;
a rod journal having opposed first and second sides connected by an exterior surface, the first side having an opening configured to receive the first connection element of the first main bearing journal and the second side having an opening configured to receive the second connection element of the second main bearing journal, wherein the first opening and second opening are connected by a through-passage; and
a fastener installed in the through-passage of the rod journal, the fastener having first and second threaded ends, each of the first and second threaded ends being configured for threaded connection to a selected one of the first and second connection element.