Chicago Rawhide Manufacturing Co.

Skf USA Inc.

Yuri Ackerman

Joseph A Gutierrez

An oil seal unit for disposition between mating parts having opposed end face sealing surfaces. The seal unit has a casing with a radial flange having opposed end face surfaces and an inner margin portion. An elastomeric seal body with radially inner, outer and intermediate body portions is bonded to the casing. The seal body includes a radially space apart, continuous circular sealing ribs over lying each face of the casing; the seal body also has a radially inner portion defining an opening through which the shank portion of the mating part extends. The intermediate part of the seal body includes a collar element which deforms into snug fluid-tight sealing engagement within a recess defined in part by the seal and in part by portions of the mating parts.

Seal for sending unit

A composite drain plug comprising a metal plug element and an elastomeric seal element. The plug element includes a body with a head portion defined in part by exterior, tool-engaging flank surfaces, a radially enlarged, seal positioning flange with an outer diameter surface and a seal-engaging end face surface. The plug also includes a threaded fastening shank, and a depth stop shoulder with a radial end face surface and an axial offsetting surface. The elastomeric seal element includes a seal body integrally bonded to the positioning flange and to offsetting shoulder surface on said depth stop. The seal body also includes a radially extending, axially inwardly directed end face primary sealing surface, lying axially inwardly of the end face of the depth stop.

Growing community of inventors

Chicago, IL, United States of America

Yuri Ackerman