Abstract: A developing apparatus includes a developer carrying member for carrying a developer thereon. An electrostatic image is formed on an image bearing member with the developer. A rotatable developer electrifying member contacts the developer carrying member and electrifies the developer carried on the developer carrying member. A holding member supports the developer electrifying member and the developer carrying member. A bearing assembled to the holding member receives a shaft of the developer electrifying member. The developer electrifying member is held by the holding member through the bearing member.

Abstract: A process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus includes first and second end covers, first and second bottom-surface portions to be guided by first and second main assembly guide portions, first, second, and third portions to be positioned by first, second, and third main assembly positioning portions, and a driving force receiving portion partly exposed through the first end cover between the first and third portions to be positioned and engaging with a main assembly driving force transmitting portion to rotate a process-cartridge developing member when the process cartridge is mounted to the apparatus.

Abstract: A toner seal member to be used for sealing a developer container including a developer accommodating portion for accommodating a developer; and an opening for supplying the developer from the developer accommodating portion, the toner seal member being for sealing the opening, wherein the toner seal member unseals the opening by being automatically wound up, the toner seal member including a sealing portion for covering and sealing the opening; and a regulating portion for regulating an operation of a detecting member for detecting winding-up of the toner seal member to unseal the opening.

Abstract: A developing apparatus includes a developer carrying member for carrying a developer thereon, and developing an electrostatic image formed on an image bearing member with the developer, a rotatable developer electrifying member for contacting with the developer carrying member, and electrifying the developer carried on the developer carrying member, a holding member for supporting the shaft of the developer electrifying member, the developer electrifying member being held by the holding member through the bearing member.

Abstract: A developing apparatus has a developer bearing member for bearing and carrying a nonmagnetic developer, a layer thickness regulating member for regulating a layer thickness of the developer borne by the developer bearing member, developing bias applying device for applying an alternating current voltage to the developer bearing member, and regulating member bias applying device for applying a direct current voltage to the layer thickness regulating member, and wherein |DC1|>|DC2| is satisfied when DC1 is an effective value of the alternating current voltage applied to the developer bearing member and DC2 is a value of the direct current voltage applied to the layer thickness regulating member, the direct current voltage value DC2 has a polarity, which is reverse to a charging polarity of the developer with respect to the effective value DC1.

Abstract: A process cartridge detachably mountable to a main assembly of an image forming apparatus includes an electrophotographic photosensitive member; developing means for developing an electrostatic latent image formed on the electrophotographic photosensitive member with a developer; a developer container for containing the developer, the developer container having an opening for supplying the developer to the developing means: a sealing member for sealing the opening of the developer container; a winding shaft for winding the sealing member, the sealing member being rotatably supported by the developer container; driving means for applying a driving force to rotate the winding shaft; and drive control means for permitting and preventing transmission of the driving force to the winding shaft, wherein the driving control means permits the transmission in response to insertion of the process cartridge into the main assembly of the image forming apparatus and prevents transmission in response to a predetermined numb

Abstract: A toner sealing member to be used for sealing a developer container including a developer accommodating portion for accommodating a developer; and an opening for supplying the developer from the developer accommodating portion, the toner seal member being for sealing the opening, wherein the toner seal member unseals the opening by being automatically wound up when the developer container, the toner seal member including a sealing portion for covering and sealing the opening; a regulating portion for regulation an operation of a detecting member for detecting winding-up of the toner seal member to unseal the opening.

Abstract: A positioning member has a position, which can be adjusted with respect to a developing container by shifting the positioning member with respect to the developing container, while holding a regulating member by the positioning member.

Abstract: A toner container usable with an electrophotographic image forming apparatus, for containing toner, the toner container includes a first frame of plastic resin material; a second frame of plastic resin material; a bonding portion where the first and second frames are connected with each other by bonding material; a fitting portion, adjacent the connecting portion, where a projection provided in the second frame is fitted into a pit provided in the first frame.

Abstract: A developing device includes a developing container for accommodating a developer; a developer carrying member, disposed in an opening of the developing container, for carrying a developer; a developer charging member for being contacted to the developer on the developer carrying member and supplied with a voltage of the same polarity as the developer and not less than a discharge start voltage.

Abstract: A portable massage device having kneading, finger rolling and tapping rolling features, so as to provide three kinds of massage effects. In order to provide these massage effects, a driving mechanism is disposed on a fixed plate and includes a driven rotary shaft. The speed of the driving mechanism can be changed, and two drum shaped tube members are provided which include a plurality of kneading members. The drum shaped tube members are oriented adjacent opposite ends of the driven shaft, and a pair of round plates are provided at the inner ends of the respective drum shaped members so that kneading massage can be provided. Finger rolling and tapping rolling massage can be provided by the kneading members.

Abstract: A developing cartridge detachably mountable to the main assembly of an image forming apparatus includes a toner carrying member for carrying toner to a developing station at which an electrostatic image formed on an image bearing member is developed with the toner. The cartridge also includes a toner accommodating portion for accommodating the toner to be supplied to a developer carrying member. The cartridge further includes an engaging portion, the shape of which is different depending on the type of the toner it contains. The engaging portion is engageable with an engaging portion of one of two or more developing cartridge slots provided in a main assembly of the image forming apparatus. The cartridge also includes a light transmitting portion disposed in the engaging portion to transmit light to be detected by a detector provided in the main assembly of the image forming apparatus to detect the amount of the toner in the toner accommodating portion.

Abstract: The present invention relates to a developing apparatus which has a developer container, a developer bearing member and a developer sealing member. Also, it is mainly featured that at least a part of the developer sealing member is a conductive portion, and the developer bearing member and the conductive portion have a same potential when a voltage is applied to the developer bearing member.

Abstract: A developing cartridge is provided for developing a latent image formed on a photosensitive member. The developing cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus.

Abstract: A developing apparatus having a developer containing portion including an opening portion for supplying a developer to a developer bearing member, a sheet member for unsealably sealing the opening portion, and a partition wall for partitioning a space of a developer containing portion into a first space and a second space more remote from the developer bearing member than the first space. The partition wall has an angle of 30 degrees or less with respect to a surface on which the sheet member is supported, and has an angle of 40 degrees or more with respect to a horizontal plane when the developing apparatus is attached to a main body of an image forming apparatus. A first carrying and a second carrying member are disposed in the first space and the second space respectively to carry the developer to the opening portion.

Abstract: A portable massage device for providing effects of finger pressing massage and kneading massage (like fingers of a person repeatedly gripping and separating from each other) by kneading members including a driving mechanism 2 which is disposed on one of a pair of fixed plates 11 of a frame 1, a driven rotary shaft 3 which is rotatably held on the frame and driven to rotate by the driving member 2, driven rotary plates 4 which are disposed on the center part of the driven rotary shaft 3 and driven to rotate by the driving member 2, cam parts 41 which have a convex and concave surface 42 formed on one end, kneading members 5 which are disposed on shaft 3 and slide freely thereon, and have cam receiving parts 51 to contact the cam parts 41 of the driven rotary plates 4 for moving the kneading members toward and away from each other on the shaft 3, and a power spring member 6 which is disposed on the two kneading members 6 to make the motions of the kneading members 5 repeat continuously.

Abstract: The process cartridge has a rotatable member having an electrophotographic photosensitive layer, the rotatable member having an abut surface against which a spacer for keeping a distance between the electrophotographic photosensitive layer and a spacer opposed thereto at a predetermined value, a process device acting on the electrophotographic photosensitive layer, and a raised fabric-like cleaning member abutted against the abut surface. The raised fabric-like cleaning member includes fibers of which distal ends are bent and inclined in a direction counter to a rotational direction of the drum-like rotatable member. The raised fabric-like cleaning member stores toner removed from the drum-like rotatable member therein.

Abstract: A developing cartridge for developing a latent image formed on a photosensitive member, which is detachably mountable to a main assembly of an electrophotographic image forming apparatus, includes a developing member for developing a latent image formed on the electrophotographic photosensitive member with toner; a toner accommodating portion for accommodating the toner to be used by the developing member; first and second light transmitting portions provided in the toner accommodating portion; a first light guide for directing, to the first light transmitting portion, light emitted by a light emission member provided in the main assembly; and a second light guide for directing the light having passed through the second light transmitting portion to a light receiving element provided in the main assembly.

Abstract: An apparatus for recording and/or reproducing information on or from a tape by drawing out the tape contained in a cassette and bringing the tape into contact with a head, has a chassis and a base which are integrally formed, a slider provided with a member for drawing out the tape, the chassis having a reference surface. The base is provided with a positioning portion for positioning the slider. The positioning portion has a side which is formed in substantially parallel with a virtual line perpendicular to the reference surface of the chassis, or which is inclined away from the virtual line in the direction away from the reference surface of the chassis.

Abstract: The process cartridge has a rotatable member having an electrophotographic photosensitive layer, a cleaning member for removing any residual toner from the electrophotographic photosensitive layer, and a conveying member for conveying the residual toner removed by the cleaning member. The rotatable member and the conveying member each have a drive force receiving portion for directly receiving a drive force from the image forming apparatus.