Patent ID: 8701915
Filing Date: 2014-04-22
Classification: F01M,Y10T

Abstract:
1. An oil pan plug assembly for mounting to an opening in an oil pan, the assembly comprising: an elongated sleeve including first and second ends and defining a longitudinal drain bore therethrough having corresponding first and second end portions, the second end of the sleeve configured to project outwardly from an exterior surface of an oil pan through an opening in the oil pan disposed about the sleeve when the assembly is mounted to an oil pan, and a securement means for forming a fluid-tight seal through the opening in the oil pan when the sleeve is mounted in the oil pan; a plug member defining a head including an axially projecting skirt with a first and a second end, an adjacent, axially projecting, axial movable locking sleeve having a first end, a second end, and a middle section between the first and second ends, the second end having an inner diameter and the middle section having an outer diameter that is less than an outer diameter of one or both of the first end and the second end, the locking sleeve surrounding the skirt and being telescoped over the skirt to releasably secure the plug member to the elongated sleeve by slidable lengthwise retraction from the sleeve bore, the plug member further comprising an elongated shank projecting length wise outwardly from one side of said enlarged head and removably telescopingly received in the longitudinal bore second end portion of the elongated sleeve, wherein the securement means comprises a retaining nut disposed around the elongated sleeve and has an outer diameter that is less than the inner diameter of the second end of the locking sleeve whereby the second end of the locking sleeve extends circumferentially over at least a portion of the retaining nut when the plug member is mounted to the elongated sleeve, and whereby when the assembly is mounted to an oil pan, at least a portion of a circumference of the retaining nut is surrounded by the second end of the locking sleeve.