US 12,378,903 B2
Latching pin assembly and deactivating rocker arm assembly
Mirko Guaschino, Prague (CZ); Marco Ravoni, Turin (IT); Nicola Andrisani, Turin (IT); Michele Angelo Cecchi, Turin (IT); and Massimo D'Amore, Turin (IT)
Assigned to EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed by EATON INTELLIGENT POWER LIMITED, Dublin (IE)
Filed on Dec. 9, 2024, as Appl. No. 18/973,939.
Application 18/973,939 is a continuation of application No. 18/251,253, granted, now 12,188,384, previously published as PCT/EP2021/025437, filed on Nov. 10, 2021.
Claims priority of provisional application 63/111,772, filed on Nov. 10, 2020.
Prior Publication US 2025/0101890 A1, Mar. 27, 2025
Int. Cl. F01L 1/24 (2006.01); F01L 1/18 (2006.01); F01L 13/00 (2006.01); F01L 1/46 (2006.01)
CPC F01L 1/2416 (2013.01) [F01L 1/181 (2013.01); F01L 13/0005 (2013.01); F01L 2001/186 (2013.01); F01L 2001/467 (2013.01); F01L 2810/02 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A rocker arm assembly comprising:
a primary arm defining a primary pivot knee and a primary rocker shaft bore sized to receive a rocker shaft;
a secondary arm defining a secondary pivot knee and a secondary rocker shaft bore sized to receive the rocker shaft;
a latching assembly movable between
a latched arrangement inhibiting rotation of the secondary arm relative to the primary arm, and
an unlatched arrangement allowing rotation of the secondary arm relative to the primary arm; and
a lost motion spring extending between the primary pivot knee and the secondary pivot knee.