Abstract: This motion assist device 100 assists with flexing and extending of fingers F1, F2 of a user, the motion assist device 100 comprising: at least one arm 10; at least one connection member 20 configured so as to be capable of connecting the at least on arm 10 to each of the fingers F1, F2; an arm support mechanism 30 that turnably supports the at least one arm 10, the arm support mechanism 30 being configured so as to be mountable on the back Hb of the hand H of the user; an arm drive means 40 that causes the at least one arm 10 to turn; and a stopper 50 that extends from the arm support mechanism 30, the stopper 50 being configured so as to restrict movement of the proximal phalanges of the fingers of the user by being in contact with the proximal phalanges. The at least one arm 10 is configured so as to turn while the distance Dr between the at least one connection member 20 and the turning center Cr of the at least one arm 10 is kept fixed.

Abstract: A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting an inner peripheral surface of the feeding belt. The feeding belt contains a fluorine-containing resin additive.

Abstract: With stoppage of recording material feeding including a first belt and a second belt (YES in S1), a controller causes cooling operation for the recording material by a cooling fan and a belt fan to continue without stop (S4). By continuing the cooling operation of a recording material cooling device, even if the recording material stagnates in the recording material cooling device in a state of being nipped by the first belt and the second belt, the temperature of the recording material can be lowered. Then, the toner on the recording material is cooled, the toner on the recording material is unlikely to adhere to the first belt or to the second belt.

Abstract: An external cooling device 101 is connectable to an image forming apparatus 100. The external cooling device 101 improves cooling power of a recording material S after toner image fixation. In this case, even when a heating amount of the fixing device 11 is increased, a temperature of the recording material S stacked on a stacking unit 60 can be lowered to not more than a predetermined temperature at which sticking does not occur. Further, the number of sheets stackable on said stacking unit 60 can be increased. By this, a user is capable of adjusting glossiness without concern for the sticking of the recording materials S on the stacking unit 60. Further, the user is not required to frequently carry out the recording material S of the stacking unit 60. That is, it is possible to provide an image forming system 1X capable of flexibly meeting the recording materials S of various kinds.

Abstract: A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting a solid lubricant contacting an inner peripheral surface of the feeding belt.

Abstract: A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting an inner peripheral surface of the feeding belt. The feeding belt contains a fluorine-containing resin additive.

Abstract: A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting an inner peripheral surface of the feeding belt. The feeding belt contains a fluorine-containing resin additive.

Abstract: To improve heat dissipation efficiency by a heat dissipating portion relative to a heat receiving portion contacting an inner peripheral surface of belts while effectively utilizing spaces in the belts forming a nip in which a recording material is cooled, where heat sinks 53 and 54 are disposed on and under upper and lower belts 51 and 52, heat absorbing portions 53a and 53b (contact portions with the belts) are provided by being shifted in a sheet feeding direction so as not to contact each other through the belts, but heat discharging portions 53c, 53d, 54c, and 54d are disposed in an extended manner so as to overlap with the heat absorbing portions on opposite sides. Thus, it becomes possible to enhance heat dissipation efficiency in spaces in limited belt cross sections, and to meet downsizing and speed-up of the device.

Abstract: With stoppage of recording material feeding including a first belt and a second belt (YES in S1), a controller causes cooling operation for the recording material by a cooling fan and a belt fan to continue without stop (S4). By continuing the cooling operation of a recording material cooling device, even if the recording material stagnates in the recording material cooling device in a state of being nipped by the first belt and the second belt, the temperature of the recording material can be lowered. Then, the toner on the recording material is cooled, the toner on the recording material is unlikely to adhere to the first belt or to the second belt.

Abstract: An external cooling device 101 is connectable to an image forming apparatus 100. The external cooling device 101 improves cooling power of a recording material S after toner image fixation. In this case, even when a heating amount of the fixing device 11 is increased, a temperature of the recording material S stacked on a stacking unit 60 can be lowered to not more than a predetermined temperature at which sticking does not occur. Further, the number of sheets stackable on said stacking unit 60 can be increased. By this, a user is capable of adjusting glossiness without concern for the sticking of the recording materials S on the stacking unit 60. Further, the user is not required to frequently carry out the recording material S of the stacking unit 60. That is, it is possible to provide an image forming system 1X capable of flexibly meeting the recording materials S of various kinds.

Abstract: A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting an inner peripheral surface of the feeding belt. The feeding belt contains a fluorine-containing resin additive.

Abstract: A cooling device for cooling a recording material on which a toner image is fixed includes: a rotatable feeding belt configured to feed the recording material by rotation; a rotatable member configured to nip and feed the recording material in cooperation with the feeding belt; and a heat sink contacting a solid lubricant contacting an inner peripheral surface of the feeding belt.

Abstract: In a recording material cooling device structure in which heat sinks are provided on and under upper and lower belts 51 and 52, an object is to improve heat dissipation efficiency by a heat dissipating portion relative to a heat receiving portion contacting an inner peripheral surface of each of the belts while effectively utilizing spaces in the belts forming a nip in which a recording material is cooled. In the structure in which the heat sinks 53 and 54 are disposed on and under the upper and lower belts 51 and 52, heat absorbing portions 53a and 53b (contact portions with the belts) are provided by being shifted in a sheet feeding direction so as not to contact each other through the belts 51 and 52, but heat discharging portions 53c, 53d, 54c and 54d of the heat sinks 53 and 54 are disposed in an extended manner so as to overlap with the heat absorbing portions of the heat sinks on opposite sides.

Abstract: A locking arm for locking a cleaning unit using a cleaning sheet, a sensor for detecting a remaining amount of the cleaning sheet, a CPU for prohibiting an image forming operation depending on an output of the sensor, and an interrelating arm acting on the sensor so as to prohibit the image forming operation when locking by the locking arm is in an unlocked state.

Abstract: A locking arm for locking a cleaning unit using a cleaning sheet, a sensor for detecting a remaining amount of the cleaning sheet, a CPU for prohibiting an image forming operation depending on an output of the sensor, and an interrelating arm acting on the sensor so as to prohibit the image forming operation when locking by the locking arm is in an unlocked state.

Abstract: An image hearing apparatus includes: a rotatable heating member; a rotatable collecting member; a cleaning unit including a cleaning web; a moving mechanism configured to move the cleaning unit between a first position where the cleaning web contacts the rotatable collecting member and a second position where the cleaning web contacts the rotatable collecting member at a contact pressure lower than a contact pressure at the first position; and an urging portion. The cleaning unit also includes a first pressing potion configured to press the rotatable collecting member toward the rotatable heating member in contact with the rotatable collecting member when the cleaning unit is in the first position, and includes a second pressing portion configured to press the rotatable collecting member toward the rotatable heating member in contact with the urging portion without contacting the rotatable collecting member when the cleaning unit is in the second position.

Abstract: An urging roller for urging a cleaning web to a rotatable member of an electrophotographic image forming apparatus includes a shaft; an elastic layer provided on a peripheral surface of the shaft; a wire wound on a peripheral surface of the elastic layer; and a toner parting layer coating a peripheral surface of the elastic layer with the wire.

Abstract: An image heating apparatus includes: first and second rotatable members configured to form a nip for heating a toner image on a recording material; rotatable rubbing member configured to rub the first rotatable member to substantially refresh a surface property of the first rotatable member; an air blowing mechanism, provided with a plurality of openings, configured to blow air toward different positions of the rotatable rubbing member with respect to an axial direction of the rotatable rubbing member; and a moving mechanism configured to reciprocate the air blowing mechanism with respect to the axial direction.

Abstract: An image heating apparatus includes: a heating member; a collecting member; a cleaning web; an urging roller; a moving mechanism configured to move the urging roller between a first position where the cleaning web contacts the collecting member, a second position where the cleaning web contacts the collecting member at a contact pressure lower than a contact pressure at the first position, and a third position where the cleaning web is spaced from the collecting member; an executing portion configured to execute a collecting member cleaning operation at the second position and the first position in this order; and a controller configured to control a temperature of the collecting roller so that the temperature when the urging roller is moved from the third position to the second position is higher than the temperature when the urging roller is moved from the second position to the first position.

Abstract: A sheet compression apparatus includes a pair of nipping members configured to be movable so as to contact and separate from each other and to compress a sheet while the sheet is nipped, and a contact/separation mechanism configured to perform a contact/separation operation of the pair of nipping members, and the contact/separation mechanism separates the nipping members from each other until a leading edge of the sheet fed by the sheet feeding unit passes between the nipping members, and then relatively moves the pair of nipping members closer to each other to start the nipping of the sheet so the sheet is compressed.