Patent ID: 6151472
Filing Date: 2000-11-21
Classification: G03G,Y10S

Abstract:
A toner cartridge comprising:a generally cylindrical outer pipe having longitudinally opposed first and second end portions, the outer pipe having at least one first opening between said opposed end portions;a generally cylindrical inner pipe inserted into said outer pipe, the inner pipe having longitudinally opposed third and fourth end portions and at least one second opening between the third and fourth end portions, the fourth end portion having a knob closing the fourth end portion, the knob rotating the inner pipe with respect to the outer pipe, the first opening being out of alignment with the second opening when the inner pipe is rotated to a first rotational position with respect to the outer pipe and being in alignment with the second opening when said inner pipe is rotated to a second rotational position; anda sealing member having at least one third opening in alignment with the second opening, the sealing member being mounted to the inner pipe surrounding the second opening to seal a gap between the outer pipe and the inner pipe;wherein the inner pipe rotates eccentrically with respect to the outer pipe when the knob rotates with respect to the outer pipe, the third end portion has a first flange eccentric with respect to the inner pipe and a cap is fitted to the first flange, the first flange being annular in shape and being eccentric with respect to the inner pipe and concentric with respect to the outer pipe.