Lip-type lubricant sealing device

Details Lip-type lubricant sealing device Lip-type lubricant sealing device

F - Mech Eng,Light,Heat,Weapons

16

J

64/19, 277/38

F16J 15/32 (2006.01) F16D 3/84 (2006.01)

Patent

CA 1146990

ABSTRACT OF THE DISCLOSURE A sealing device includes an annular seal member made of an elastic material which is held between axially spaced inner and outer fitting members. The inside periphery of the seal member is in slidable contact with a spherical outer surface on an opposing member and the annular seal member has at its inside periphery, inner and outer axially spaced seal lips forming a generally V-shaped cross-section with the lips contacting the outer spherical surface of the opposing member and cooperating therewith to define a space to be filled with grease. The improvement comprises the outer fitting member having a radially inner portion protruding axially inwardly toward the inner fitting member to prevent the seal member from moving radially inwardly, the annular seal member being provided with at least two annular axial projec- tions on its outer surface which contact the outer fitting member. One of the annular projections is in contact with the axially inwardly protruding inner portion of the outer fitting member and the annular projections cooperate with the outer fitting member to define therebetween at least one space when said outer fitting member is urged against the seal member.

346957

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