U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Holder device for handling an image carrier of an image forming apparatus

Patent 4908661 Issued on March 13, 1990. Estimated Expiration Date: Icon_subject November 8, 2008. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Copying machine with removable photosensitive drum
Patent #: 4114998
Issued on: 09/19/1978
Inventor: Shimizu ,   et al.

Mount for rotary drum in an electrostatic copying apparatus
Patent #: 4478507
Issued on: 10/23/1984
Inventor: Miyoshi ,   et al.

Mounting structure for cylindrical photosensitive member
Patent #: 4527883
Issued on: 07/09/1985
Inventor: Kamiyama

Photoconductive element unit for laser printer or the like
Patent #: 4674858
Issued on: 06/23/1987
Inventor: Nagayama

Image forming apparatus and a process unit for use in the same Patent #: 4708455
Issued on: 11/24/1987
Inventor: Kubota ,   et al.

Inventors

Assignee

Application

No. 268890 filed on 11/08/1988

US Classes:

399/116Photoconductive member

Examiners

Primary: Prescott, A. C.

Attorney, Agent or Firm

International Class

G03G 015/00

Foreign Application Priority Data

1987-11-27 JP

Abstract

A holder device for handling a replaceable image carrier of an image forming apparatus. A photoconductive element mounted in an electrophotographic copier or similar apparatus and to which toner adheres can be dismounted and replaced with a new photoconductive element with ease and without touching it. A box-like holder has receiving sections for accommodating the old and new photoconductive elements individually. The receiving sections are each provided with guide slots for grasping and guiding opposite ends of a shaft on which a photoconductive element is mounted and openings each being contiguous with a respective one of the guide slots, said guide slots and openings being formed through each of opposite end walls of a housing of the holder device. Lugs are provided on the end walls of the housing to cancel the restraint of restraining members which prevent the ends of a shaft of a photoconductive element from slipping out of the copier, as the holder is sequentially moved into the copier.

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