1. A developing apparatus comprising:
a developer housing having an opening and accommodating a developing agent;
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image; and
a first leakage preventing member, for preventing developing agent from leakage from both side portions of said developing agent carrying body, attached to said developer housing, and having: a housing attaching face that contacts with said developer housing; a front side face that opposes said housing attaching face; and side faces each of which connects to each other end portions of said housing attaching face and said front side face in the longitudinal directions of said opening of said developer housing;
wherein at least one of said side faces is formed as an inclined side face that is inclined in a predetermined direction relative to said housing attaching face when pressed from the side of said front side face.
2. The developing apparatus as set forth in claim 1, wherein a cross section of said first leakage preventing member is formed by a plane that passes through said housing attaching face, said front side face, said inclined side face, and a side face opposing said inclined side face and that is orthogonal to said housing attaching face is a trapezoid or a parallelogram.
3. The developing apparatus as set forth in claim 2, wherein said first leakage preventing member is attached to both end portions in said longitudinal directions of said opening of said developer housing.
4. The developing apparatus as set forth in claim 3, wherein said first leakage preventing member is formed at both end portions of said opening of said developer housing in such a manner that said inclined side face should be inclined toward an end portion in said longitudinal direction of said opening directing from said housing attaching face to said front side face.
5. The developing apparatus as set forth in claim 4, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
6. A developing apparatus comprising:
a developer housing having an opening and accommodating a developing agent;
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image;
a layer thickness control member for controlling a layer thickness of the developing agent carried on said developing agent carrying body into a predetermined layer thickness; and
a second leakage preventing member, for preventing developing agent from leakage between said developer housing and said layer thickness control member, attached between said developer housing and a back side of said layer thickness control member along the longitudinal direction of said opening, and having: a layer thickness control member opposing face that contacts with said layer thickness control member; a housing opposing face that is opposite to said layer thickness control member opposing face; and side faces each of which connects to each other end portions of said layer thickness control member opposing face and said housing opposing face in the longitudinal directions of said opening;
wherein
at least one of said side faces is an inclined side face formed such as to be inclined in a predetermined direction relative to said layer thickness control member opposing face, and
when said second leakage preventing member is pressed by said layer thickness control member from the side of said layer thickness control member opposing face, said inclined side face should be inclined toward an end portion in the longitudinal direction of said opening directing from said layer thickness control member opposing face to said housing opposing face.
7. The developing apparatus as set forth in claim 6, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
8. A process cartridge attachable to and detachable from an image forming apparatus, including:
a latent image carrying body on which an electrostatic latent image is formed; and
a developing apparatus comprising: a developer housing having an opening and accommodating a developing agent; and a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image formed on said latent image carrying body into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image; and a first leakage preventing member, for preventing developing agent from leakage from both side portions of said developing agent carrying body, attached to said developer housing, and having: a housing attaching face that contacts with said developer housing; a front side face that opposes said housing attaching face; and side faces each of which connects to each other end portions of said housing attaching face and said front side face in the longitudinal directions of said opening of said developer housing;
wherein at least one of said side faces is formed as an inclined side face that is inclined in a predetermined direction relative to said housing attaching face when pressed from the side of said front side face.
9. The process cartridge as set forth in claim 8, wherein a cross section of said first leakage preventing member is formed by a plane that passes through said housing attaching face, said front side face, said inclined side face, and a side face opposing said inclined side face and that is orthogonal to said housing attaching face is a trapezoid or a parallelogram.
10. The process cartridge as set forth in claim 9, wherein said first leakage preventing member is attached to both end portions in said longitudinal directions of said opening of said developer housing.
11. The process cartridge as set forth in claim 10, wherein said first leakage preventing member is formed at both end portions of said opening of said developer housing in such a manner that said inclined side face should be inclined toward an end portion in said longitudinal direction of said opening directing from said housing attaching face to said front side face.
12. The process cartridge as set forth in claim 11, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
13. A process cartridge attachable to and detachable from an image forming apparatus, including:
a latent image carrying body on which an electrostatic latent image is formed; and
a developing apparatus comprising: a developer housing having an opening and accommodating a developing agent; a developing agent carrying body arranged in said opening of
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image formed on said latent image carrying body into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image; a layer thickness control member for controlling a layer thickness of the developing agent carried on said developing agent carrying body into a predetermined layer thickness; and a second leakage preventing member, for preventing developing agent from leakage between said developer housing and said layer thickness control member, attached between said developer housing and a back side of said layer thickness control member along the longitudinal direction of said opening, and having: a layer thickness control member opposing face that contacts with said layer thickness control member; a housing opposing face that is opposite to said layer thickness control member opposing face; and side faces each of which connects to each other end portions of said layer thickness control member opposing face and said housing opposing face in the longitudinal directions of said opening;
wherein
at least one of said side faces is an inclined side face formed such as to be inclined in a predetermined direction relative to said layer thickness control member opposing face, and
when said second leakage preventing member is pressed by said layer thickness control member from the side of said layer thickness control member opposing face, said inclined side face should be inclined toward an end portion in the longitudinal direction of said opening directing from said layer thickness control member opposing face to said housing opposing face.
14. The process cartridge as set forth in claim 13, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
15. A developer cartridge including a developing apparatus attachable to and detachable from an image forming apparatus or a process cartridge,
said developing apparatus comprising:
a developer housing having an opening and accommodating a developing agent;
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image; and
a first leakage preventing member, for preventing developing agent from leakage from both side portions of said developing agent carrying body, attached to said developer housing, and having: a housing attaching face that contacts with said developer housing; a front side face that opposes said housing attaching face; and side faces each of which connects to each other end portions of said housing attaching face and said front side face in the longitudinal directions of said opening of said developer housing;
wherein at least one of said side faces is formed as an inclined side face that is inclined in a predetermined direction relative to said housing attaching face when pressed from the side of said front side face.
16. The developer cartridge as set forth in claim 15, wherein a cross section of said first leakage preventing member is formed by a plane that passes through said housing attaching face, said front side face, said inclined side face, and a side face opposing said inclined side face and that is orthogonal to said housing attaching face is a trapezoid or a parallelogram.
17. The developer cartridge as set forth in claim 16, wherein said first leakage preventing member is attached to both end portions in said longitudinal directions of said opening of said developer housing.
18. The developer cartridge as set forth in claim 17, wherein said first leakage preventing member is formed at both end portions of said opening of said developer housing in such a manner that said inclined side face should be inclined toward an end portion in said longitudinal direction of said opening directing from said housing attaching face to said front side face.
19. The developer cartridge as set forth in claim 18, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
20. A developer cartridge including a developing apparatus attachable to and detachable from an image forming apparatus or a process cartridge,
said developing apparatus comprising:
a developer housing having an opening and accommodating a developing agent;
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image;
a layer thickness control member for controlling a layer thickness of the developing agent carried on said developing agent carrying body into a predetermined layer thickness; and
a second leakage preventing member, for preventing developing agent from leakage between said developer housing and said layer thickness control member, attached between said developer housing and a back side of said layer thickness control member along the longitudinal direction of said opening, and having: a layer thickness control member opposing face that contacts with said layer thickness control member; a housing opposing face that is opposite to said layer thickness control member opposing face; and side faces each of which connects to each other end portions of said layer thickness control member opposing face and said housing opposing face in the longitudinal directions of said opening;
wherein
at least one of said side faces is an inclined side face formed such as to be inclined in a predetermined direction relative to said layer thickness control member opposing face, and
when said second leakage preventing member is pressed by said layer thickness control member from the side of said layer thickness control member opposing face, said inclined side face should be inclined toward an end portion in the longitudinal direction of said opening directing from said layer thickness control member opposing face to said housing opposing face.
21. The developer cartridge as set forth in claim 20, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
22. An image forming apparatus including a developing apparatus,
said developing apparatus comprising:
a developer housing having an opening and accommodating a developing agent;
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image; and
a first leakage preventing member, for preventing developing agent from leakage from both side portions of said developing agent carrying body, attached to said developer housing, and having: a housing attaching face that contacts with said developer housing; a front side face that opposes said housing attaching face; and side faces each of which connects to each other end portions of said housing attaching face and said front side face in the longitudinal directions of said opening of said developer housing;
wherein at least one of said side faces is formed as an inclined side face that is inclined in a predetermined direction relative to said housing attaching face when pressed from the side of said front side face.
23. The image forming apparatus as set forth in claim 22, wherein a cross section of said first leakage preventing member is formed by a plane that passes through said housing attaching face, said front side face, said inclined side face, and a side face opposing said inclined side face and that is orthogonal to said housing attaching face is a trapezoid or a parallelogram.
24. The image forming apparatus as set forth in claim 23, wherein said first leakage preventing member is attached to both end portions in said longitudinal directions of said opening of said developer housing.
25. The image forming apparatus as set forth in claim 24, wherein said first leakage preventing member is formed at both end portions of said opening of said developer housing in such a manner that said inclined side face should be inclined toward an end portion in said longitudinal direction of said opening directing from said housing attaching face to said front side face.
26. The image forming apparatus as set forth in claim 25, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
27. An image forming apparatus including a developing apparatus,
said developing apparatus comprising:
a developer housing having an opening and accommodating a developing agent;
a developing agent carrying body arranged in said opening of said developer housing rotatably in such a manner that a rotation axis should agree with a longitudinal direction of said opening, and that develops an electrostatic latent image into a visible image by making a layer of the developing agent formed thereon oppose an electrostatic latent image;
a layer thickness control member for controlling a layer thickness of the developing agent carried on said developing agent carrying body into a predetermined layer thickness; and
a second leakage preventing member, for preventing developing agent from leakage between said developer housing and said layer thickness control member, attached between said developer housing and a back side of said layer thickness control member along the longitudinal direction of said opening, and having: a layer thickness control member opposing face that contacts with said layer thickness control member; a housing opposing face that is opposite to said layer thickness control member opposing face; and side faces each of which connects to each other end portions of said layer thickness control member opposing face and said housing opposing face in the longitudinal directions of said opening;
wherein
at least one of said side faces is an inclined side face formed such as to be inclined in a predetermined direction relative to said layer thickness control member opposing face, and
when said second leakage preventing member is pressed by said layer thickness control member from the side of said layer thickness control member opposing face, said inclined side face should be inclined toward an end portion in the longitudinal direction of said opening directing from said layer thickness control member opposing face to said housing opposing face.
28. The image forming apparatus as set forth in claim 27, wherein said developing agent is a polymerization toner fabricated by a polymerization method.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for controlling a drive unit of a vehicle wherein a driver command is determined from the degree of actuation of an operator-controlled element actuable by the driver, and wherein a desired value for the torque of said drive unit is formed from said driver command and the torque of said drive unit is controlled in dependence upon said desired value, the driver command being subdivided into first, second and third ranges, the method comprising the steps of:
causing said first range to include a zero value of said driver command and forming said desired value for the torque of said drive unit in said first range from the driver command value while considering changing ancillary loads of said drive unit;
forming said desired value for the torque of said drive unit from the driver command value in said second range independently of changing ancillary loads of said drive unit; and,
causing said third range to include a maximum value of said driver command and forming said desired value for the torque of said drive unit from the driver command value in said third range while again considering said changing ancillary loads of said drive unit.
2. The method of claim 1, wherein said desired value is an engine output torque or a transmission output torque.
3. The method of claim 1, wherein said desired value is determined utilizing linear equations having respective slopes and axis sections determined differently; and, the minimum value of the results of the linear equation is the resulting desired value for each driver command value.
4. An arrangement for controlling a drive unit of a vehicle, the arrangement comprising:
an electronic control unit including means for determining a driver command from the degree of actuation of an operator-controlled element actuable by the driver; means for forming a desired value for the torque of said drive unit from said driver command; and, means for controlling the torque of said drive unit in dependence upon said desired value;
said driver command being subdivided into first, second and third ranges with said first range including the zero value of said driver command value and said third range including the maximum value of said driver command;
said forming means functioning to form said desired value of the torque of said drive unit in said first range from the driver command value while considering changing ancillary loads of said driver unit;
said forming means functioning to form said desired value in said second range from said driver command value independently of said changing ancillary loads of said drive unit; and,
said forming means including means functioning to form said desired value from the driver command value while again considering said changing ancillary loads of said drive unit.
5. A computer program comprising program code means for carrying out the steps of a method when said program is run on a computer and said method being for controlling a drive unit of a vehicle wherein a driver command is determined from the degree of actuation of an operator-controlled element actuable by the driver, and wherein a desired value for the torque of said drive unit is formed from said driver command and the torque of said drive unit is controlled in dependence upon said desired value, the driver command being subdivided into first, second and third ranges, the method comprising the steps of:
causing said first range to include a zero value of said driver command and forming said desired value for the torque of said drive unit in said first range from the driver command value while considering changing ancillary loads of said drive unit;
forming said desired value for the torque of said drive unit from the driver command value in said second range independently of changing ancillary loads of said drive unit; and,
causing said third range to include a maximum value of said driver command and forming said desired value for the torque of said drive unit from the driver command value in said third range while again considering said changing ancillary loads of said drive unit.
6. A computer program product comprising: program code means stored on a computer-readable data carrier in order to carry out a method for controlling a drive unit of a vehicle wherein a driver command is determined from the degree of actuation of an operator-controlled element actuable by the driver, and wherein a desired value for the torque of said drive unit is formed from said driver command and the torque of said drive unit is controlled in dependence upon said desired value, the driver command being subdivided into first, second and third ranges, the method comprising the steps of:
causing said first range to include a zero value of said driver command and forming said desired value for the torque of said drive unit in said first range from the driver command value while considering changing ancillary loads of said drive unit;
forming said desired value for the torque of said drive unit from the driver command value in said second range independently of changing ancillary loads of said drive unit; and,
causing said third range to include a maximum value of said driver command and forming said desired value for the torque of said drive unit from the driver command value in said third range while again considering said changing ancillary loads of said drive unit.