Abstract: Examples of the ester oil include diester oils such as dibutyl sebacate, dioctyl sebacate, di-2-ethylhexyl sebacate, dioctyl adipate, diisodecyl adipate, ditridecyl adipate, ditridecyl phthalate, and methyl acetyl ricinolate; aromatic ester oils such as trioctyl trimellitate, tridecyl trimellitate, and tetraoctyl pyromellitate; polyol ester oils such as trimethylolpropane caprylate, trimethylolpropane pelargonate, pentaerythritol-2-ethylhexanoate, and pentaerythritol pelargonate; carbonate oil; complex ester oil which is an oligoester of polyhydric alcohol and mixed fatty acid including dibasic acid and monobasic acid; etc.

Abstract: The present invention relates to a grease composition including: a base oil; a thickener; a rust inhibitor; and an extreme pressure agent, in which the rust inhibitor includes, with respect to a total mass of the grease composition: 0.10 mass % to 10.00 mass % of a calcium sulfonate; 0.20 mass % to 10.00 mass % of a zinc sulfonate; and 0.10 mass % to 10.00 mass % of a zinc carboxylate, and the extreme pressure agent includes, with respect to the total mass of the grease composition, 2.00 mass % to 14.00 mass % of a zinc dialkyldithiophosphate.

Abstract: There is provided a grease composition for improving the chemical stability of the grease composition and increasing the fatigue life of a member in which the grease composition is used. The problems can be solved by a grease composition including a poly-?-olefin; a urea-based thickener; molybdenum dithiophosphate; and barium sulfonate, wherein a difference between an SP value of the urea-based thickener and an SP value of the poly-?-olefin is 3.5 or less.

Abstract: A grease composition including: an ester base oil; and a thickener, in which the thickener contains diurea expressed by the following formula (1): R1-NHCONH-C6H4-CH2-C6H4-NHCONH-R2 (1), in which R1 and R2 each independently represents one of: (A) an alicyclic group A expressed by R3-C6H10- (R3 represents hydrogen, a 2-methyl group, a 3-methyl group, or a 4-methyl group); (B) an alkyl group B expressed by n-CmH2m+1 (m represents an integer of 6 to 10); and (C) an alkyl group C expressed by n-CmH2m+1 (m represents an integer of 16 to 20), and in which the diurea is arranged so that the alicyclic group A is 5 to 35 mol %, a total of the alicyclic group A and the alkyl group B is 55 to 95 mol %, and the remainder is the alkyl group C, based on a total of R1 and R2.

Abstract: A printed circuit board for mounting on a support member, the printed circuit board including: a plurality of mounted portions for mounting the printed circuit board on the support member; a ground pattern configured to be electrically connected to the support member through the plurality of mounted portions; and a slit extended from a first mounted portion to a second mounted portion of the plurality of mounted portions and between a first portion, in which an electronic device is provided, of the ground pattern and a second portion, in which an electronic device is not provided, of the ground pattern.

Abstract: In a sliding shaft, an outer circumferential surface of a male shaft is coated with a resin coating layer formed by a fluidized bed powder coating method using a powder coating material containing a base resin and at least either a carbon black or a metal oxide as an antistatic agent. A steering device includes this sliding shaft as an intermediate shaft transmitting steering force.

Abstract: An image forming apparatus includes a reader; an image former, provided below the reader, for forming an image on a sheet; a sheet discharge portion, provided between the reader and the image former, for discharging and stacking the sheet; an operating portion provided in a front side adjacent to the reader in the horizontal direction and slidable along a side of the reader; a sensor unit provided at a side of the reader in a outside of a slidable range of the operating portion, the sensor unit being can project a signal on the side of the reader and receiving a reflection wave of the signal to detect presence of the user in an area in the front side; and a controller for restoring a state of the apparatus from a sleeping state to a stand-by state in response to detection by the sensor unit.

Abstract: In an image forming apparatus that executes exposure for discharging a photoconductive drum by a light emitting unit by which an electrostatic latent image is formed, a duty ratio of a drive signal for a driving unit that exposes the photoconductive drum for performing discharging of the photoconductive drum is set to be 100%, and it is thereby possible to suppress generation of radiation noise resulting from the drive signal for the discharging.

Abstract: An image forming apparatus may have the followings. A switching transformer has a first coil, a second coil, and a first core. The switching transformer generates a secondary side current in the second coil by a magnetic flux generated in the first core by a current that flows in the first coil. A common mode choke coil has a third coil, a fourth coil, and a second core. The common mode choke coil reduces a common mode noise. The switching transformer and the common mode choke coil are mounted on a substrate so that a direction of the magnetic flux generated in the first core and a direction of a magnetic flux generated in the second core are perpendicular.

Abstract: In an image forming apparatus that executes exposure for discharging a photoconductive drum by a light emitting unit by which an electrostatic latent image is formed, a duty ratio of a drive signal for a driving unit that exposes the photoconductive drum for performing discharging of the photoconductive drum is set to be 100%, and it is thereby possible to suppress generation of radiation noise resulting from the drive signal for the discharging.

Abstract: In a sliding shaft, an outer circumferential surface of a male shaft is coated with a resin coating layer formed by a fluidized bed powder coating method using a powder coating material containing a base resin and at least either a carbon black or a metal oxide as an antistatic agent. A steering device includes this sliding shaft as an intermediate shaft transmitting steering force.

Abstract: An image forming apparatus which can control to turn on/off a light emitting element depending on a sheet state on a manual sheet tray is provided. The image forming apparatus includes the manual feed tray on which the sheet is placed. The image forming apparatus is configured to be switchable between normal power mode and power saving mode. In the normal power mode, normal power is supplied. In the power saving mode, less power is consumed as compared to the power consumed in the normal power mode. The image forming apparatus includes a manual sheet feeding sensor which detects presence/absence of the sheet on the manual feed tray. The image forming apparatus includes a sheet length sensor S and a sheet length sensor L which include the light emitting element and a light receiving element to detect approximate sheet length of sheet placed on the manual feed tray in a conveying direction.

Abstract: There is provided a grease composition containing a base oil including an ester oil, and a thickener including diurea represented by formula (1) below: wherein the thickener including the diurea is contained in an amount of 18% by mass or less.

Abstract: An image forming apparatus may have the followings. A switching transformer has a first coil, a second coil, and a first core. The switching transformer generates a secondary side current in the second coil by a magnetic flux generated in the first core by a current that flows in the first coil. A common mode choke coil has a third coil, a fourth coil, and a second core. The common mode choke coil reduces a common mode noise. The switching transformer and the common mode choke coil are mounted on a substrate so that a direction of the magnetic flux generated in the first core and a direction of a magnetic flux generated in the second core are perpendicular.

Abstract: A printed circuit board for mounting on a support member, the printed circuit board including: a plurality of mounted portions for mounting the printed circuit board on the support member; a ground pattern configured to be electrically connected to the support member through the plurality of mounted portions; and a slit extended from a first mounted portion to a second mounted portion of the plurality of mounted portions and between a first portion, in which an electronic device is provided, of the ground pattern and a second portion, in which an electronic device is not provided, of the ground pattern.

Abstract: An image forming apparatus includes a reader; an image former, provided below the reader, for forming an image on a sheet; a sheet discharge portion, provided between the reader and the image former, for discharging and stacking the sheet; an operating portion provided in a front side adjacent to the reader in the horizontal direction and slidable along a side of the reader; a sensor unit provided at a side of the reader in a outside of a slidable range of the operating portion, the sensor unit being can project a signal on the side of the reader and receiving a reflection wave of the signal to detect presence of the user in an area in the front side; and a controller for restoring a state of the apparatus from a sleeping state to a stand-by state in response to detection by the sensor unit.

Abstract: In a sliding shaft, an outer circumferential surface of a male shaft is coated with a resin coating layer formed by a fluidized bed powder coating method using a powder coating material containing a base resin and at least either a carbon black or a metal oxide as an antistatic agent. A steering device includes this sliding shaft as an intermediate shaft transmitting steering force.

Abstract: An image forming apparatus includes an image forming portion; a discharge portion configured to discharge a recording material on which an image is formed by the image forming portion, wherein a delivery conveyance portion having a power source circuit is mountable in a space adjacent to the image forming portion and configured to convey the recording material to a post-processing apparatus; a detection unit configured to detect a temperature; a cooling unit configured to cool the image forming portion; and a control unit configured to control, in a case where the delivery conveyance portion is mounted, rotation of the cooling unit based on the temperature detected by the detection unit in a standby state in which an image forming operation is not performed.

Abstract: An image forming apparatus includes a developing unit configured to develop an electrostatic latent image, a mounting detection unit configured to detect that a container T is mounted on a mounting unit, a driving unit configured to rotate the container T, a rotation detection unit configured to detect rotation information about the container T, and a controller configured to control the driving unit based on the rotation information. If the container T is detected to be mounted on the mounting unit, control of the driving unit is not carried out based on the rotation information until replenishment information satisfies a predetermined condition.

Abstract: An image forming apparatus includes a developing unit configured to develop using toner an electrostatic latent image formed on a photosensitive member, a mounting unit to which a container is mounted, the container including a containing unit configured to contain toner and a pump unit, and performing a supplying operation for supplying toner by expansion and contraction of the pump unit, a driving unit configured to rotationally drive the container to cause the container to perform the supplying operation, and a controller configured to control a rotational speed of the container based on a time for which the supplying operation has been performed.