Wedge shaped oil seal means for shafts

Claim 1

IN OIL SEAL MEANS FOR SHAFTS COMPRISING TWO SEMICIRCULAR BODIES MAINLY OF ELASTOMER MATERIAL EACH HAVING A FIRST OUTWARDLY PERIPHERAL PORTION WEDGE SHAPE IN CROSS SECTION AND A SECOND RADIALLY INWARD PORTION, THE FIRST PORTION CARRYING EMBEDDED THEREIN A RIGID HALF-RING OF GREATER DIMENSION RADIALLY THAN AXIALLY, SAID RIGID HALF-RING BEING OF A DIMENSION SUCH THAT WHEN SAID SEMI-CIRCULAR BODIES ARE PLACED IN END-TO-END RELATIONSHIP SAID RIGID HALF-RING PROVIDES CONTROLLED RESILIENCE AND STABILITY TO SAID BODY AND IS SUITABLE TO FORCE SAID WEDGE SHAPED PERIPHERAL PORTION INTO AND AGAINST A CORRESPONDING WEDGE SHAPED GROOVE IN THE HOUSING SUPPORTING SAID OIL SEAL MEANS, SAID SECOND PORTION HAVING A JUNCTURE WITH THE FIRST PORTION OFFSET FROM THE CENTER OF THE HALF-RING AND HAVING AN OBLIQUELY EXTENDING SEALING LIP TERMINATING IN A PLANE SPACED AXIALLY FROM THE PLANE OF THE RIGID HALF-RING IN ONE AXIAL DIRECTION, THE ELASTOMER MATERIAL BEING CONTINUOUS AND OF SUBSTANTIAL THICKNESS THROUGH THE JUNCTURE ON THE SIDE IN THE OPPOSITE AXIAL DIRECTION WHEREBY SAID SEALING LIP IS ACCURATELY AND FIRMLY POSITIONED AT THE JUNCTURE AND MAY PLY RADIALLY IN A RADIAL PLANE OFFSET AXIALLY FROM SAID HALF-RING.