Patent ID: 7959157

Claim:
An oil seal comprising: a seal casing including: a first portion adapted to be received in a machine counterbore; a return portion being spaced radially inwardly from said first portion adapted to be received in said machine counterbore, to define a channel between said first portion and said return portion; and a radially inwardly directed flange; an elastomeric seal supported by said radially inwardly directed flange, said elastomeric seal including a seal body being supported by and extending from said flange, said seal body having air and oil side surfaces meeting along a seal band of intended contact with a rotary member, said seal body further having a plurality of curved surfaces thereby providing radial and axial flexibility of said seal body, and a funnel shaped guide member operative to guide an end portion of the rotary member into said oil seal as said rotary member is inserted into said oil seal, said funnel shaped guide member having an axially extending mounting portion received in said channel defined in said return portion of said easing, said funnel shaped portion tapering from wider to narrower as it approaches said air side surface of said seal, said funnel shaped guide having a minimum inside diameter larger than a minimum inside diameter of said seal band, when said seal hand is in place over the rotary member.