Abstract: An operation lever is configured to swing about a rotation axis. Regulating members that regulate the movement of the operation lever along the rotation axis thereof are integrally formed with a cover.

Abstract: A safe and space-saving image formation device that reduces, with a simpler configuration, generation of abnormal images by blockage, skewing, etc. by the document image reading device, that has an interior of the internal paper ejection unit with a larger space, has satisfactory operability for removing the recording medium, has improved maintenance characteristics, for example, unit replacement and adjustment, and/or that has improved external product quality.

Abstract: An operation lever is configured to swing about a rotation axis. Regulating members that regulate the movement of the operation lever along the rotation axis thereof are integrally formed with a cover.

Abstract: A safe and space-saving image formation device that reduces, with a simpler configuration, generation of abnormal images by blockage, skewing, etc. by the document image reading device, that has an interior of the internal paper ejection unit with a larger space, has satisfactory operability for removing the recording medium, has improved maintenance characteristics, for example, unit replacement and adjustment, and/or that has improved external product quality.

Abstract: An image forming apparatus including a plurality of image making units each including a carrier unit and a developing unit, the carrier unit having an image carrier for forming a latent image thereon, the developing unit having a developing device configured to develop the latent image formed on a respective one of the image carriers into a toner image, and a plurality of common guide members each configured to guide a respective one of the developing units in one of the plurality of image making units and a respective one of the carrier units in another one of the plurality of image making units when the plurality of image making units are attached to or detached from the image forming apparatus.

Abstract: A structure in which a hydraulic-pressure control applied pressure for controlling each engagement element of an automatic transmission is realized by using an electric signal such that combinations of engagement which encounter a tie-up in case of a failure of the signal lead to interlocking are inhibited to prevent deterioration in the durability of each engagement element. An automatic transmission incorporates a planetary gear transmission mechanism using selective engagement of at least five engagement elements to realize six gear ratios, and a hydraulic-pressure control apparatus for controlling the engagement elements of the transmission mechanism. Valves are provided which inhibit combinations of engagement of two or more engagement elements of the five engagement elements for interlocking the transmission mechanism.

Abstract: In an image forming apparatus in which a plurality of image making unit are disposed along a moving direction of a transfer material, and developing units and carrier units thereof are individually independently attachably and detachably mounted to an image forming apparatus body, in order for guide members for guiding the developing units and the carrier units to be reduced in number, a carrier unit of an image making unit and a developing unit of an image making unit neighboring the image making unit is guided by a common guide member fixed to a frame of the image forming apparatus body.

Abstract: An oil temperature responsive hydraulic control system for an automatic transmission includes a hydraulic servo for applying/releasing a frictional engagement element; a pressure regulator valve for regulating oil pressure fed to the hydraulic servo; and a signal pressure oil passage for applying a pressure regulating signal pressure to the pressure regulator valve. A control valve is arranged in the signal pressure oil passage for changing the effective diameter of the signal pressure oil passage responsive to change in oil temperature.

Abstract: A hydraulic control system for an automatic transmission to establish a predetermined stage by applying a first frictional engagement element and releasing a second frictional engagement element, comprising: a first hydraulic servo for actuating the first frictional engagement element; a second hydraulic servo for actuating the second frictional engagement element; change-over means for switching the feed of an oil pressure to the first hydraulic servo; signal pressure generating means for generating a signal pressure; and a pressure regulator valve for regulating the pressure to be fed to the second hydraulic servo.

Abstract: A hydraulic control system for an automatic transmission includes a regulator valve in a hydraulic circuit for supplying pressure to a servo of a frictional engagement element. The regulator valve has an input port, an output port and a drain port. A valve member of the regulator valve includes a pressure receiving area fed with a feedback pressure from the portion of the hydraulic circuit between the regulator valve and the servo, and another pressure receiving area selectively fed with pressure from a signal pressure source. A further pressure receiving area, having a surface area different from the another pressure receiving area, is constantly fed pressure from the signal pressure source.

Abstract: A control system for an automatic transmission includes a first frictional engagement element and a second frictional engagement element; and a first hydraulic servo for controlling the application/release of the first frictional engagement element and a second hydraulic servo for controlling the application/release of the second frictional engagement element. A regulator valve regulates the oil pressure to the first hydraulic servo. A signal pressure is applied to the regulator valve to establish a predetermined gear stage by switching the applied/released states of the first frictional engagement element and the second frictional engagement element by feeding/releasing oil pressure to/from the first hydraulic servo and the second hydraulic servo.