Non-rotatable elastomeric O-ring seal

摘要: An elastomeric O-ring seal (10) for sealing between a housing (20) and shaft (22). The defines an inner surface (12) outer (14) having generally uniform non-deformed radius of curvature in cross section. upper protrusion (16) lower (18) extend outward circle defined by this section to prevent the from rolling when placed engagement with This reduces wear on permits longer life.