Seal for bearing bushings
AssigneeSKF GmbH
InventorBernhard Bauer
Life of this patent
Estimating the term…
Abstract
A seal for sealing the space between a bearing bushing and the journal of a machine part supported therein and a seal consisting of an inner sealing ring between the bearing bushing and the journal and an outer sealing ring located between the open end of the bearing bushing and a shoulder of the machine part supported in the bearing bushing and which has an axially oriented section on the inner side facing the inner sealing ring, having a concentric bore, said inner sealing ring (12) having a sleeve-like section (22) pressed onto a stepped portion of the journal (3) and wherein said pressed-on section (22) is located in the bore (21) of the outer sealing ring (11).
Claims4
Seal for sealing the space between a bearing bushing (1) and the journal (3) of a machine part supported therein, the seal comprising inner sealing ring member (12) between the bearing bushing (1) and journal (3) and an outer sealing ring member (11) located between the open end of the bearing bushing (1) and a shoulder of the machine part supported in the bearing bushing, said inner sealing ring member (12) having a sleeve like section (22) mounted on a stepped portion of the journal (3), the outer sealing ring member (11) having a pair of circumferentially extending axially spaced sealing lip sections (14,15), the outermost lip section (14) confronting and engaging with pretension an outer surface 17 of the bearing bushing (1) in the preassembled state and being displaced radially upon assemly on the joint pin (3) to provide a gap between the outermost lip section (14) and said outer surface (17), the innermost sealing lip section (15) overlying and snugly seated on the sleeve like section (22).
Dependencies are inferred from the claim text.