A developer supply container comprising:na developer accommodating chamber configured to accommodate developer;a feeding portion configured and positioned to feed the developer in said developer accommodating chamber by rotation thereof;a developer discharging chamber provided with a discharge opening configured to permit discharging of the developer fed by said feeding portion;a rotatable gear configured and positioned to rotate said feeding portion;a pump portion configured and positioned to act upon at least said developer discharging chamber, said pump portion having a volume which changes with reciprocation; anda drive converting portion configured and positioned to convert a rotational force generated by rotation of said gear to a force for operating said pump portion.
›2.↳ 1A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force generated by the rotation of sa…d2
A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force generated by the rotation of said gear to the force for operating said pump portion to reciprocate said pump portion.
›3.↳ 1A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force so that an internal pressure of…d2+2
A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force so that an internal pressure of said developer discharging chamber changes between a pressure lower than an ambient pressure and a pressure higher than the ambient pressure.
›4.↳ 3A developer supply container according to claim 3, wherein with increase of a volume of a chamber of said pump portion, the pressure at least in said …d3
A developer supply container according to claim 3, wherein with increase of a volume of a chamber of said pump portion, the pressure at least in said developer discharging chamber becomes negative.
›5.↳ 3A developer supply container according to claim 3, wherein the developer in said developer supply container has a fluidity energy of not less than 4.3…d3
A developer supply container according to claim 3, wherein the developer in said developer supply container has a fluidity energy of not less than 4.3×10−4 kg·m2/s2 and not more than 4.14×10−3 kg·m2/s2, andnwherein said discharge opening has an area not more than 12.6 mm2.
›6.↳ 1A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force such that a suction action and …d2
A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force such that a suction action and a delivery action are alternately carried out through said discharge opening with the reciprocation of said pump portion.
›7.↳ 1A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force so that said pump portion recip…d2
A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force so that said pump portion reciprocates a plurality of times per one full rotation of said feeding portion.
›8.↳ 1A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force such that a developer feeding a…d2
A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force such that a developer feeding amount per unit time from said developer accommodating chamber into said developer discharging chamber by said feeding portion is larger than a developer discharging amount per unit time from said developer discharging chamber out of said container.
›9.↳ 1A developer supply container according to claim 1, wherein said drive converting portion is disposed at a position away from an inside space of said d…d2
A developer supply container according to claim 1, wherein said drive converting portion is disposed at a position away from an inside space of said developer discharging chamber and an inside space of said developer accommodating chamber so as not to contact with the developer in said developer accommodating chamber and the developer in said developer discharging chamber.
›10.↳ 1A developer supply container according to claim 1, wherein said developer discharging chamber is substantially non-rotatable, and said discharge openi…d2+1
A developer supply container according to claim 1, wherein said developer discharging chamber is substantially non-rotatable, and said discharge opening is provided in a bottom portion of said developer discharging chamber.
›11.↳ 10A developer supply container according to claim 10, wherein said drive converting portion includes a rotatable portion rotatable integrally with said …d3
A developer supply container according to claim 10, wherein said drive converting portion includes a rotatable portion rotatable integrally with said feeding portion, and a follower portion which is substantially non-rotatable with said developer discharging chamber and which is reciprocable by being driven by said rotatable portion, andnwherein said follower portion is movable integrally with said pump portion.
›12.↳ 1A developer supply container according to claim 1, wherein said pump portion is connected with said developer discharging chamber.d2+6
A developer supply container according to claim 1, wherein said pump portion is connected with said developer discharging chamber.
›13.↳ 12A developer supply container according to claim 12, further comprising a partition substantially partitioning between said developer accommodating cha…d3+5
A developer supply container according to claim 12, further comprising a partition substantially partitioning between said developer accommodating chamber and said developer discharging chamber such that a pressure change resulting from a volume change of a chamber of said pump portion takes place selectively in said developer discharging chamber.
›14.↳ 13A developer supply container according to claim 13, wherein said partition is movable between a closing position for separating said developer accommo…d4+4
A developer supply container according to claim 13, wherein said partition is movable between a closing position for separating said developer accommodating chamber from said developer discharging chamber and an opening position for communicating between said developer accommodating chamber and said developer discharging chamber, andnwherein said drive converting portion converts the rotational force so that at least when said partition is in the closing position, a discharging action through said discharge opening is carried out by said pump portion.
›15.↳ 14A developer supply container according to claim 14, wherein said drive converting portion converts the rotational force so that when said partition is…d5
A developer supply container according to claim 14, wherein said drive converting portion converts the rotational force so that when said partition is in the closing position, a suction action through said discharge opening is carried out by said pump portion.
›16.↳ 14A developer supply container according to claim 14, wherein said drive converting portion converts the rotational force so that when said partition is…d5
A developer supply container according to claim 14, wherein said drive converting portion converts the rotational force so that when said partition is in the opening position, said pump portion is not in operation.
›17.↳ 14A developer supply container according to claim 14, wherein said partition is rotatable integrally with said feeding portion.d5
A developer supply container according to claim 14, wherein said partition is rotatable integrally with said feeding portion.
›18.↳ 14A developer supply container according to claim 14, wherein said partition is reciprocated by a force provided by conversion of said drive converting …d5
A developer supply container according to claim 14, wherein said partition is reciprocated by a force provided by conversion of said drive converting portion.
›19.↳ 1A developer supply container according to claim 1, further comprising a nozzle portion connected to said pump portion and having an opening at a free …d2+1
A developer supply container according to claim 1, further comprising a nozzle portion connected to said pump portion and having an opening at a free end thereof, the opening of said nozzle portion being adjacent to said discharge opening.
›20.↳ 19A developer supply container according to claim 19, wherein said nozzle portion is provided with a plurality of openings around a free end side thereo…d3
A developer supply container according to claim 19, wherein said nozzle portion is provided with a plurality of openings around a free end side thereof.
›21.↳ 1A developer supply container according to claim 1, wherein said drive converting portion includes a rotatable portion rotatable integrally with said f…d2
A developer supply container according to claim 1, wherein said drive converting portion includes a rotatable portion rotatable integrally with said feeding portion, and a follower portion which is reciprocable by being driven by said rotatable portion, andnwherein said pump portion is provided outside a drive conversion path extending from said gear to said follower portion.
›22.↳ 1A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force such that said developer accomm…d2
A developer supply container according to claim 1, wherein said drive converting portion converts the rotational force such that said developer accommodating chamber reciprocates with said pump portion.
›23.↳ 1A developer supply container according to claim 1, wherein said pump portion is capable of accommodating the developer therein and is rotatable integr…d2+1
A developer supply container according to claim 1, wherein said pump portion is capable of accommodating the developer therein and is rotatable integrally with said feeding portion.
›24.↳ 23A developer supply container according to claim 23, wherein said pump portion is disposed between said developer accommodating chamber and said develo…d3
A developer supply container according to claim 23, wherein said pump portion is disposed between said developer accommodating chamber and said developer discharging chamber.
›25.↳ 1A developer supply container according to claim 1, wherein said drive converting portion is provided with a cam mechanism configured and positioned to…d2
A developer supply container according to claim 1, wherein said drive converting portion is provided with a cam mechanism configured and positioned to convert the rotational force generated by the rotation of said gear to the force for operating said pump portion.
›26.↳ 1A developer supply container according to claim 1, wherein said feeding portion is rotatable integrally with said developer accommodating chamber by t…d2
A developer supply container according to claim 1, wherein said feeding portion is rotatable integrally with said developer accommodating chamber by the rotational force.
›27.↳ 1A developer supply container according to claim 1, wherein said developer accommodating chamber is substantially non-rotatable, andnwherein said feedi…d2
A developer supply container according to claim 1, wherein said developer accommodating chamber is substantially non-rotatable, andnwherein said feeding portion includes a shaft portion rotatable relative to said developer accommodating chamber by the rotational force, and a feeding blade portion fixed to said shaft portion configured and positioned to feed the developer toward said discharge opening.
›28.↳ 1A developer supply container according to claim 1, wherein said pump portion includes a flexible bellow-like pump.d2
A developer supply container according to claim 1, wherein said pump portion includes a flexible bellow-like pump.
›29.↳ 1A developer supply container according to claim 1, wherein said developer accommodating chamber has a volume larger than a volume of said developer di…d2
A developer supply container according to claim 1, wherein said developer accommodating chamber has a volume larger than a volume of said developer discharging chamber,nwherein said developer discharging chamber is in fluid communication with a longitudinal end of said developer accommodating chamber and is connected with said pump portion, andwherein said feeding portion feeds the developer in a direction substantially parallel with the longitudinal direction.