US 12,379,030 B2
Bearing extraction from a stuffing box of a rotary mechanical device
Thomas B Monahan, Springfield, MA (US); and Michael F Huard, Middlefield, MA (US)
Assigned to SEAL-RYT CORP., Westfield, MA (US)
Filed by SEAL-RYT CORP., Westfield, MA (US)
Filed on Aug. 7, 2023, as Appl. No. 18/366,118.
Application 18/366,118 is a continuation of application No. 16/809,461, filed on Mar. 4, 2020, granted, now 11,739,843.
Prior Publication US 2023/0375087 A1, Nov. 23, 2023
Int. Cl. F16J 15/18 (2006.01); F16C 33/74 (2006.01)
CPC F16J 15/189 (2013.01) [F16J 15/183 (2013.01); F16C 33/74 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An improved bearing or bushing seal body for installation into a seal cavity of a mechanical device having an inner bore and a shaft therethrough, comprising:
a substantially rigid cylindrical seal body having a sidewall with a top end and a bottom end, and an outer surface closely dimensioned to the inner bore and formed with close tolerances to the shaft, the substantially cylindrical seal body being axially split in half along a diameter and having at least one axial jack screw hole through the sidewall of the substantially cylindrical seal body not along the split diameter from the top end to the bottom end for receiving a jack screw;
an insert having an internal thread mounted in the bottom end of the jack screw hole to receive the jack screw and allow the jack screw to pass therethrough; and
the substantially cylindrical seal body includes an integrally formed lantern ring.