Patent ID: 8894071
Filing Date: 2014-11-25
Classification: B65G,F16J

Abstract:
1. An O-ring for a feed roller comprising: an O-ring body having first and second ends, which are discontinued from each other, wherein coupling surfaces in the first and second ends are capable of being coupled to each other while opposing each other in a complementary fashion; and a fastening unit fastening the first and second ends to each other such that the coupling surfaces in the first and second ends form and maintain an overlapped and a coupled state in which coupling surfaces oppose each other in a complementary fashion, wherein the first and second ends of the O-ring body have first and second storage recesses formed in corresponding opposite positions, the first and second storage recesses being engraved on outer circumferential surfaces thereof, and the fastening unit is received in and fitted to the first and second storage recesses, wherein the O-ring body has a plurality of coupling holes in the first and second ends thereof, the coupling holes penetrating portions of the first and second ends that correspond to the first and second storage recesses, and wherein the fastening unit includes first and second fastening members, wherein each of the first and second fastening members is fitted by being received in a corresponding one of the first and second storage recesses, and the first and second fastening members pass through the coupling holes and are locked to each other in a complementary fashion, wherein the first fastening member includes: wherein the second fastening member includes: