Patent ID: 8312792

Claim:
A bi-directional overrunning clutched differential unit comprising: a differential housing; a mount boss comprising a through hole, detachably fixable to a frame of a vehicle, formed on the differential housing; and a fastener inserted into the through hole of the mount boss to detachably fix the mount boss to the frame, wherein a diameter of the through hole is larger than a diameter of the fastener and an antivibration device fills a gap between the through hole and the fastener, wherein the antivibration device includes: a first hollow member having a first end and a second end with a first flange formed at the second end, wherein the first end of the first hollow member is inserted into a first side of the through hole such that the first flange abuts a surface of the mounting boss; and a second hollow member having a first end and a second end with a second flange formed at the second end, wherein the first end of the second hollow member is inserted into a second side of the through hole such that the second flange abuts a surface of the mounting boss, and wherein the first end of the first hollow member abuts the first end of the second hollow member.