Developer supply container
First Claim
1. A developer supply container comprising:
- a developer accommodating portion capable of accommodating developer;
a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container;
a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening;
a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion;
an operating portion including a feeding portion configured to supply the developer into said storing portion;
a scraping portion configured to scrape developer stagnating adjacent to an entrance of said storing portion while regulating flow of the developer into said storing portion, wherein developer feeding by said feeding portion and scraping by said scraping portion are carried out alternately; and
an air flow path provided inside said scraping portion and configured to establish fluid communication between said storing portion and said pump portion to discharge the developer from the discharge opening.
1 Assignment
0 Petitions
Accused Products
Abstract
A developer supply container 1 detachably mountable to a developer supplying apparatus 201 includes a developer accommodating portion 2 capable of accommodating a developer, a discharge opening 4a for discharging the developer accommodated in the developer accommodating portion 2 toward the developer supplying apparatus 201, a pump portion 3a for effecting a discharging operation through the discharge opening 4a, a communicating portion 4d provided at a position contacting the discharge opening 4a and capable of storing a constant amount of the developer, and a regulating portion 7 capable of taking a developer flow regulating state in which the flow of the developer into the communicating portion 4d and a developer flow non-regulating state in which the entering of the developer is not regulated, the regulating portion 7 taking the developer flow regulating state in a discharging operation of the pump portion 3a, wherein the regulating portion 7 is provided with an air flow path 7g for communicating between the communicating portion 4d and the pump portion 3a.
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Citations
59 Claims
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1. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; an operating portion including a feeding portion configured to supply the developer into said storing portion; a scraping portion configured to scrape developer stagnating adjacent to an entrance of said storing portion while regulating flow of the developer into said storing portion, wherein developer feeding by said feeding portion and scraping by said scraping portion are carried out alternately; and an air flow path provided inside said scraping portion and configured to establish fluid communication between said storing portion and said pump portion to discharge the developer from the discharge opening. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; and a rotatable member provided opposed to said storing portion, said rotatable member including; i) a first hollow sector portion having a sector form as seen in a direction of a rotational axis of said rotatable member and having a first inside space, ii) a first circumferential opening provided at a circumferential portion of said first sector portion, said first circumferential opening being in fluid communication with said first inside space, iii) a first side opening provided in a side of said first sector portion that is closer to said pump portion with respect to the rotational axis direction to permit the fluid communication between said pump portion and said first inside space, iv) a second hollow sector portion having a sector form as seen in the direction of the rotational axis of said rotatable member and having a second inside space, said second hollow sector portion being spaced from said first sector portion in a rotational direction of said rotatable member, v) a second circumferential opening provided at a circumferential portion of said second sector portion, said second circumferential opening being in fluid communication with said second inside space, vi) a second side opening provided in a side of said second sector portion that is closer to the said pump portion with respect to the rotational axis direction to permit the fluid communication between said pump portion and said second inside space, and vii) a developer feeding portion for feeding the developer into a space formed between said first sector portion and said second sector portion, wherein said first circumferential opening and said second circumferential opening are capable of facing said storing portion. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 43)
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18. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating potion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; and a rotatable member provided opposed to said storing portion, said rotatable member including; i) a first hollow sector portion having a sector form as seen in a direction of a rotational axis of said rotatable member and having a first inside space, ii) a first circumferential opening provided at a circumferential portion of said first sector portion, said first circumferential opening being in fluid communication with said first inside space, iii) a second hollow sector portion having a sector form as seen in the direction of the rotational axis of said rotatable member and having a second inside space, said second hollow sector portion being spaced from said first sector portion in a rotational direction of said rotatable member, iv) a second circumferential opening provided at a circumferential portion of said second sector portion, said second circumferential opening being in fluid communication with said second inside space and said first inside space, and v) a developer feeding portion for feeding the developer into a space formed between said first sector portion and said second sector portion, wherein said first circumferential opening and said second circumferential opening are capable of facing said storing portion. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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26. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; and a rotatable member provided opposed to said storing portion, said rotatable member including; i) a hollow sector portion having a sector form as seen in a direction of a rotational axis of said rotatable member and having a inside space, ii) a circumferential opening provided at a circumferential portion of said sector portion, said circumferential opening being in fluid communication with said inside space, iii) a side opening provided in a side of said sector portion that is closer to said pump portion with respect to the rotational axis direction to permit the fluid communication between said pump portion and said inside space, and iv) a developer feeding portion for feeding the developer toward the storing portion, wherein said circumferential opening is capable of facing said storing portion. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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34. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; and a rotatable member provided opposed to said storing portion, said rotatable member including; i) a first rotatable hollow partition separating a part of a space as seen in the direction of a rotational axis of said rotatable member and having a first inside space, said first rotatable hollow partition being capable of rotating about rotational axis of said rotatable member, ii) a first circumferential opening provided at a circumferential portion of said first partition, said first circumferential opening being in fluid communication with said first inside space, iii) a first side opening provided in a side of said first partition that is closer to said pump portion with respect to the rotational axis direction to permit the fluid communication between said pump portion and said first inside space, iv) a second hollow partition separating a part of the space as seen in the direction of a rotational axis of said rotatable member and having a second inside space, said second hollow partition being spaced from said first partition in a rotational direction of said rotatable member, said second hollow partition being capable of rotating about rotational axis of said rotatable member v) a second circumferential opening provided at a circumferential portion of said second partition, said second circumferential opening being in fluid communication with said second inside space, vi) a second side opening provided in a side of said second partition that is closer to the said pump portion with respect to the rotational axis direction to permit the fluid communication between said pump portion and said second inside space, and vii) a developer feeding portion for feeding the developer into a space formed between said first partition and said second partition, wherein said first circumferential opening and said second circumferential opening are capable of facing said storing portion. - View Dependent Claims (35, 36, 37, 38, 39, 40, 41, 42)
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44. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; and a rotatable member provided opposed to said storing portion, said rotatable member including; i) a first rotatable hollow partition separating a part of a space as seen in a direction of a rotational axis of said rotatable member and having a first inside space, said first rotatable hollow partition being capable of rotating about the rotational axis of said rotatable member, ii) a first circumferential opening provided at a circumferential portion of said first partition, said first circumferential opening being in fluid communication with said first inside space, iii) a second rotatable hollow partition separating a part of the space as seen in the direction of the rotational axis of said rotatable member and having a second inside space, said second rotatable hollow partition being spaced from said first rotatable hollow partition in the rotational direction of said rotatable member, said second rotatable hollow partition being capable of rotating about the rotational axis of said rotatable member, iv) a second circumferential opening provided at a circumferential portion of said second partition, said second circumferential opening being in fluid communication with said second inside space and said first inside space, and v) a developer feeding portion for feeding the developer into a space formed between said first partition and said second partition, wherein said first circumferential opening and said second circumferential opening are capable of facing said storing portion. - View Dependent Claims (45, 46, 47, 48, 49, 50, 51)
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52. A developer supply container comprising:
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a developer accommodating portion capable of accommodating developer; a discharge opening configured and positioned to discharge the developer accommodated in said developer accommodating portion from said developer supply container; a storing portion configured to store the developer to be discharged through said discharge opening, said storing portion being in fluid communication with an inside of said developer accommodating portion and said discharge opening; a pump portion configured to feed air at least into said storing portion to discharge the developer from said storing portion; and a rotatable member provided opposed to said storing portion, said rotatable member including; i) a rotatable hollow partition separating a part of a space as seen in a direction of a rotational axis of said rotatable member and having a inside space, said rotatable hollow partition being capable of rotating about the rotational axis of said rotatable member, ii) a circumferential opening provided at a circumferential portion of said partition, said circumferential opening being in fluid communication with said inside space, iii) a side opening provided in a side of said partition that is closer to said pump portion with respect to the rotational axis direction to permit the fluid communication between said pump portion and said inside space, and iv) a developer feeding portion for feeding the developer toward the storing portion, wherein said circumferential opening is capable of facing said storing portion. - View Dependent Claims (53, 54, 55, 56, 57, 58, 59)
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Specification