Abstract: A sheet conveying device includes a pickup roller, a separator, a conveyor, and circuitry. The pickup roller contacts an uppermost sheet of sheets stacked on a sheet stacker and feed the uppermost sheet. The separator moves the pickup roller between a contact position at which the pickup roller is in contact with the uppermost sheet and a separation position at which the pickup roller is separated from the uppermost sheet. The conveyor conveys the uppermost sheet fed by the pickup roller. The circuitry is to control the conveyor to temporarily stop conveyance of the uppermost sheet, and control the separator to move the pickup roller from the contact position to the separation position in response to the temporarily stop of the conveyor.

Abstract: A sheet feeding device includes a contact member and a lock member. The contact member is configured to rotate from a retracted position to a contact position while a sliding portion of the lock member is sliding on a sliding target portion of the contact member and to rotate to the contact position to release the sliding portion of the lock member from the sliding target portion of the contact member. The lock member is configured to rotate between a locked position and a lock released position by a lock biasing force when the lock member moves in a lock direction of the lock member from the lock released position toward the locked position. The contact member has the lock target body and the sliding target portion at different positions from each other in a rotation center axial direction of the contact member.

Abstract: A sheet feeding device includes a feeder, a contact member, a movement restricting member, a moving mechanism, and control circuitry. The feeder is configured to feed a sheet. A leading end of the sheet in a feeding direction is to contact the contact member. The movement restricting member is configured to lock the contact member to restrict movement of the contact member from a contact position where the contact member contacts the sheet. The moving mechanism is configured to move the movement restricting member between a locking position and a lock releasing position. The contact member is configured to take the contact position by gravity or a biasing force of a biasing part. The control circuitry is configured to control the moving mechanism to move the movement restricting member to the lock releasing position and then to the locking position when a feeding operation of the sheet is finished.

Abstract: A sheet loading device includes a device body to load a sheet, a guide disposed extending in a sheet conveying direction in the device body, a restricting body to move along the guide of the device body and to restrict a position of an end portion of the sheet, and a securing body to attach to the restricting body and the guide and detach from the restricting body and the guide, and having an engaging body. The engaging body of the securing body engages with the guide at an arbitrary position on the guide in the sheet conveying direction. The restricting body is being secured to the device body according to engagement of the engaging body of the securing body with the guide of the device body.

Abstract: A sheet feeding device includes a contact member and a lock member. The contact member is configured to rotate from a retracted position to a contact position while a sliding portion of the lock member is sliding on a sliding target portion of the contact member and to rotate to the contact position to release the sliding portion of the lock member from the sliding target portion of the contact member. The lock member is configured to rotate between a locked position and a lock released position by a lock biasing force when the lock member moves in a lock direction of the lock member from the lock released position toward the locked position. The contact member has the lock target body and the sliding target portion at different positions from each other in a rotation center axial direction of the contact member.

Abstract: A sheet feeding device includes a feeder, a contact member, a movement restricting member, a moving mechanism, and control circuitry. The feeder is configured to feed a sheet. A leading end of the sheet in a feeding direction is to contact the contact member. The movement restricting member is configured to lock the contact member to restrict movement of the contact member from a contact position where the contact member contacts the sheet. The moving mechanism is configured to move the movement restricting member between a locking position and a lock releasing position. The contact member is configured to take the contact position by gravity or a biasing force of a biasing part. The control circuitry is configured to control the moving mechanism to move the movement restricting member to the lock releasing position and then to the locking position when a feeding operation of the sheet is finished.

Abstract: A sheet holding device includes a sheet placement surface and a sheet regulating member. A sheet is to be placed on the sheet placement surface. The sheet regulating member is movable in a contacting direction to contact and a separating direction to separate from an edge of the sheet placed on the sheet placement surface. The sheet regulating member includes a grip portion and a non-grip portion. The grip portion is configured to be gripped by a user to move the sheet regulating member. The non-grip portion is lower in height from the sheet placement surface than the grip portion. The non-grip portion has, on at least one end face in the contacting direction, a slope whose height from the sheet placement surface increases toward a center of the non-grip portion in the contacting direction or the separating direction.

Abstract: A sheet loading device includes a device body to load a sheet, a guide disposed extending in a sheet conveying direction in the device body, a restricting body to move along the guide of the device body and to restrict a position of an end portion of the sheet, and a securing body to attach to the restricting body and the guide and detach from the restricting body and the guide, and having an engaging body. The engaging body of the securing body engages with the guide at an arbitrary position on the guide in the sheet conveying direction. The restricting body is being secured to the device body according to engagement of the engaging body of the securing body with the guide of the device body.

Abstract: One or more embodiments of current source circuits may include: a first current source that generates a first current dependent on a threshold value of a MOSFET; a second current source that generates a second current dependent on a voltage in a forward direction of a p-n junction; a first resistor that produces a first voltage based on the first current and the second current; a second resistor that produces a second voltage based on the second current; and an output MOSFET that produces an output current based on a sum of the first voltage and the second voltage.

Abstract: A sheet feeder, which is included in an image forming apparatus, includes a sheet feeding unit to feed a sheet, a sheet separating unit disposed opposite the sheet feeding unit to separate the sheet together with the sheet feeding unit, a bottom plate on which the sheet is loaded, a pressing unit having a leading end and movably disposed between the bottom plate and the sheet separating unit, and a support to rotatably support the pressing unit such that the leading end of the pressing unit contacts and separates from the sheet feeding unit.

Abstract: A sheet feeder, which is included in an image forming apparatus, includes a sheet feeding unit to feed a sheet, a sheet separating unit disposed opposite the sheet feeding unit to separate the sheet together with the sheet feeding unit, a bottom plate on which the sheet is loaded, a pressing unit having a leading end and movably disposed between the bottom plate and the sheet separating unit, and a support to rotatably support the pressing unit such that the leading end of the pressing unit contacts and separates from the sheet feeding unit.

Abstract: A hair cosmetic composition comprising a branched fatty acids of the following formula (1), ##STR1## wherein R.sup.1 is a methyl or ethyl group, n is an integer of 4-16, and R.sup.2 is an amino, alkoxy, or glycerol group. The composition imparts excellent sensation to hair and prevents hairs from being damaged.