Patent ID: 6517081
Filing Date: 2003-02-11
Classification: F16J

Abstract:
A seal assembly for retatively movable cylindrical machine parts, one of the machine parts having a groove with first and second axially spaced walls and a radially extending wall, comprising:a pair of annular seal elements each having an axial slot therein bounded by a pair of oppositely sloped axial surfaces and having an axially extending male key portion, the seal elements arranged in an inverted nesting relationship whereby the axial surfaces of one of the seal elements engage the male key portion of the elements; and an annular support element having an axial width less than the axial width of the groove, the support element disposed radially inwardly of the seal elements; wherein the male key portion of each seal element has a radially inwardly directed delta shaped cross section comprising a flattened apex and opposed beveled surfaces sloped oppositely away from the apex and wherein the oppositely sloped axially surfaces of each seal element are each respectively oriented substantially parallel to one of the opposed beveled surfaces of the male key portion of the other seal element.