Abstract:
A toner case (15, 151, 171, 181) includes a case main body (21), a rotator (22, 23), a transmitter (25) and a moving mechanism (26, 153, 182) . The case main body (21) stores a toner. The rotator (22, 23) is stored in the case main body (21) and rotates around a rotation axis (X, Y) . The transmitter (25) is arranged outside the case main body (21) and transmits rotation to the rotator (22, 23) . The moving mechanism (26, 153, 182) moves the transmitter (25) between a first position and a second position which is arranged at an outside of the first position in a rotation axis direction of the rotator (22, 23). The moving mechanism (26, 153, 182) includes a holder (64, 186) holding the transmitter (25) . As the holder (64, 186) moves with respect to the case main body (21), the transmitter (25) moves between the first position and the second position. co~
Abstract:
A toner case (15, 151, 171, 181) includes a case main body (21), a rotator (22, 23), a transmitter (25) and a moving mechanism (26, 153, 182) . The case main body (21) stores a toner. The rotator (22, 23) is stored in the case main body (21) and rotates around a rotation axis (X, Y) . The transmitter (25) is arranged outside the case main body (21) and transmits rotation to the rotator (22, 23) . The moving mechanism (26, 153, 182) moves the transmitter (25) between a first position and a second position which is arranged at an outside of the first position in a rotation axis direction of the rotator (22, 23). The moving mechanism (26, 153, 182) includes a holder (64, 186) holding the transmitter (25) . As the holder (64, 186) moves with respect to the case main body (21), the transmitter (25) moves between the first position and the second position. co~
Abstract:
PROBLEM TO BE SOLVED: To provide a sheet loading unit configured such that a sheet hardly enter a gap between a sheet loading surface and a cursor member.SOLUTION: A sheet loading unit includes: a sheet loading unit 610 including a sheet loading surface 615; a pair of cursor members 620 which are movable in the width direction D2 of a sheet; guide grooves 630 configured to guide the cursor members 620 to move in the width direction D2; and a connecting portion 640 extending from the side of the sheet loading surface 615. The cursor member 620 includes: a cursor base 621 having a cursor plane 625 extending in nearly parallel with a step difference with respect to the sheet loading surface 615; and a cursor rising portion 623 being in contact with or in proximity to the edge of the sheet in the width direction D2. An inside edge 622 in the width direction D2 of the cursor base 621 extends linearly. The connecting portion 640 is connected with the cursor member 620 at a portion in the feeding direction D1 of the edge 622 of the cursor base 621. The connecting portion 640 also has a surface connecting portion 642 which connects the sheet loading surface 615 with the cursor plane 625 smoothly.
Abstract:
PROBLEM TO BE SOLVED: To provide a fixing device which can stably apply a nip pressure in a fixing nip when an image is fixed to printing paper or an envelope and can prevent lowering of elasticity of an elastic member which is a source of the nip pressure by reducing fatigue of it, and provide an image forming apparatus including the same.SOLUTION: A fixing device comprises: a first rotating body 9a; a second rotating body 9b; a support member 524 which supports the second rotating body and is capable of changing the position of the second rotating body relative to the first rotating body; a first elastic member 522 capable of being biased so as to generate a first nip pressure; a second elastic member 525 capable of being biased so as to generate a second nip pressure which is smaller than the first nip pressure; a change member 521 capable of being changed into a state where a biasing force of any one of the first biasing member and the second biasing member is transmitted to the second rotating body; and a moving plate 530 which moves a support position of the first elastic member at an end part in the side of +Z direction towards the side of -Z direction when the biasing force is changed by the change member.
Abstract:
PROBLEM TO BE SOLVED: To provide an image reading apparatus and an image forming apparatus which allow a light guide member to be positioned with high accuracy.SOLUTION: A copying machine 1 includes: a holding member 420 to hold an LED 410 and a light guide member 340; and a first frame body 311 configured to attach the holding member 420 thereto. The holding member 420 includes: a first positioning target part 510a formed on one end in a main scanning direction; and a second positioning target part 510b formed on the other end in the main scanning direction. The first frame body 311 includes: a first positioning part 500a that is formed integrally on the inserted first frame body 311 and restricts movement in a direction intersecting the main scanning direction in the first positioning target part 510a; and a second positioning part 500b that is formed integrally on the first frame body 311 and restricts movement in the direction intersecting the main scanning direction in the inserted second positioning target part 510b.
Abstract:
PROBLEM TO BE SOLVED: To provide an image reading apparatus and an image formation apparatus capable of accurately positioning a light guide member by a simple constitution.SOLUTION: A copier comprises: an LED; a rod-like light guide member 340 disposed with one end thereof facing the LED; a holding member 420 which holds the LED and the light guide member 340 and which comprises a light reflection part, a first holding part holding the LED with an optical axis AX in a main scanning direction Y, and a second holding part positioned so as to be in a predetermined positional relation with the light reflection part and holding the light guide member 340 so that the center axis becomes nearly coaxial to the optical axis AX; and a first frame to which the holding member 420 is mounted and which comprises a third holding part 500 rotatably holding the holding member 420 such that the light guide member 340 is rotated around the optical axis AX.
Abstract:
PROBLEM TO BE SOLVED: To increase cooling effect of an exposure device without increasing the size of a heat sink or a cooling fan.SOLUTION: An image forming device 1 includes exposure units 16YM and CB radiating laser beams onto a photoreceptor drum 21, and a fan 38 forming an air flow in a cooling air passage 80 formed along the exposure units. Each of the exposure units 16YM and CB includes a laser beam source 50, a polygon mirror 56 deflecting a laser beam emitted from the laser beam source 50, a polygon motor 58 rotationally driving the polygon mirror 56, and a heat sink 72 dissipating heat caused by the polygon motor 58. The heat sink 72 includes a plurality of fins 74 formed so as to increase in height in a stepwise fashion from an upstream side toward a downstream side (from the rear side to the front side of the device) in the direction of the air flow formed by the fan 38.