Patent ID: 7975957
Filing Date: 2011-07-12
Classification: A47K,B65H,Y10T

Abstract:
1. An end plug for a roll of material to be inserted into a retention mechanism, the end plug comprising: a receiving portion for being received in the roll of material; an end face defining a contact plane for contacting the retention mechanism; a bearing member for being inserted into the retention mechanism, the end face being situated between the bearing member and the receiving portion, the bearing member comprising: a bearing pin comprising at least a first portion of a first outer diameter, a second portion of a second outer diameter, and a third portion of a third outer diameter, the second portion being situated between the first portion and the third portion, and the second outer diameter being smaller than the first outer diameter and the third outer diameter, wherein the third portion being positioned closer to the end face than the first portion; and at least one locking portion for locking the end plug in an end position in the retention mechanism, the locking portion forming part of the bearing member and being situated closer to the end face than the second portion and the third portion of the bearing pin, wherein the locking portion has at least one outer diameter that is larger than the first, second and third outer diameters of the bearing pin.