Patent ID: 7159871
Filing Date: 2007-01-09
Classification: F16J

Abstract:
1. A seal for sealing a shaft, the seal comprising: a sleeve constructed to be disposed generally coaxially around the shaft and comprising a parallel sleeve portion that is generally parallel to the longitudinal axis of the shaft and a radially extending sleeve portion that extends generally radially away from the longitudinal axis of the shaft; an outer housing configured to generally surround the sleeve and comprising a parallel housing portion that is generally parallel to the longitudinal axis of the shaft, a radially extending housing portion that extends generally radially towards the longitudinal axis of the shaft, and a faceplate portion that extends generally radially towards the longitudinal axis of the shaft, the faceplate portion disposed axially outwardly of the radially extending sleeve portion relative to a lubricant side of the seal and including an axially inner surface generally facing the lubricant side; a first elastomeric protrusion extending between the radially extending sleeve portion and the axially inner surface of the faceplate portion and including a base and an end generally opposite the base and oriented radially towards the longitudinal axis of the shaft; and a second elastomeric protrusion including a base secured to the housing and an end generally opposite the base, wherein the end is oriented generally radially away from the longitudinal axis of the shaft.