Patent ID: 6116613
Filing Date: 2000-09-12
Classification: F16J

Abstract:
A wiper seal defining a reference axis and being adapted to be secured in a housing and operative to clean the surface of an axially moveable shaft therethrough, the wiper seal comprising:an elastomeric member having a first substantially flat surface that is perpendicular to the reference axis, a second surface, an outer peripheral surface that is substantially parallel with the reference axis and an inner peripheral surface that forms an acute angle with the reference axis, a wiper portion defined by the intersection of the first substantially flat surface and the inner peripheral surface at a radially innermost portion of the seal and adapted to provide an intimate area of contact with an axially movable shaft disposed therethrough, said intimate area of contact between the wiper portion and the shaft being free of any recesses, and the intersection of the first substantially flat surface and the outer peripheral surface forming a generally sharp corner; anda metal support member having a first leg portion extending along and secured to the outer peripheral surface and a second leg portion extending along and secured to a portion of the first substantially flat surface, the first and second leg portions having respective intersecting inner surfaces, the intersection of the respective inner surfaces coinciding with the intersection of the outer peripheral surface and the first substantially flat surface of the elastomeric member.