US 12,110,966 B2
Self-retaining lip seal
Raymond Lee Chaplin, Draper, UT (US); and Mark K Zitting, Draper, UT (US)
Assigned to AKTIEBOLAGET SKF, Gothenburg (SE)
Filed by AKTIEBOLAGET SKF, Gothenburg (SE)
Filed on Feb. 14, 2023, as Appl. No. 18/109,336.
Prior Publication US 2024/0271701 A1, Aug. 15, 2024
Int. Cl. F16J 15/3204 (2016.01)
CPC F16J 15/3204 (2013.01) 19 Claims
OG exemplary drawing
 
1. A mechanical assembly comprising:
a shaft having a central axis;
an outer member having a bore disposed about the shaft, one of the shaft and the outer member having a gland defined by a circumferential surface and at least one radial surface and the other one of the shaft and the outer member being angularly displaceable about the central axis; and
a seal having an annular body disposed within the gland and formed of a flexible material, the annular body having a main body portion with inner and outer radial ends, an inner sealing lip extending radially inwardly from the inner radial end of the main body portion so as to be spaced radially inwardly from and extending axially across an inner circumferential surface on the inner radial end of the main body portion and configured to engage with the shaft and an outer sealing lip extending radially outwardly from the outer radial end of the main body portion so as to be spaced radially outwardly from and extending axially across an outer circumferential surface on the outer radial end of the main body portion and configured to engage with the outer member.