Abstract: A steering wheel is manufactured by making a steering wheel core member by forming a first resin layer about a metal core bar, and then attaching outer parts to the outside of this core member.

Abstract: Flame retardant treating agents according to the invention comprise a phosphorus-based compound represented by the following formula (4): 1

Abstract: A steering wheel for an automobile is provided. The steering wheel comprises: a surface element formed by stacking a decorative layer and a reinforce layer; a core material layer disposed to the inside of the surface elements; and a metal core disposed to the inside of the core material layer, the surface elements, the core material layer, and the metal core being integrated to form the steering wheel, wherein the reinforce layer is made of a sheet molding compound or a bulk molding compound. A manufacturing method for a steering wheel is also provided. The manufacturing method comprises the steps of: forming a metal core; forming a surface element including a decorative layer and a reinforce layer which are stacked together; and forming a core material layer between the metal core and the surface element so that the core metal, the core material layer, and the surface element are integrated, wherein the reinforce layer is formed by heating and pressing a sheet molding compound or a bulk molding compound.

Abstract: A steering wheel for an automobile is provided. The steering wheel comprises: two surface elements, each formed by stacking a decorative layer and a reinforce layer, joined together at seams; a core material layer disposed to the inside of the surface elements; a metal core disposed to the inside of the core material layer, the surface elements, the core material layer, and the metal core being integrated to form the steering wheel; and fiber reinforcing layers which are provided between the reinforce layer and the core material layer, and which bridge one surface element and the other surface element across the seams of the surface elements. The fiber reinforcing layers are made of material selected from glass fibers, carbon fibers, aramide fibers, and metal fibers. Fibers having lengths of at least 25 mm are scattered in the core material layer.

Abstract: The flame retardant treating agent of the invention comprises a phosphorus-based compound represented by the following formula (4), for example.

Abstract: A cleaning device for cleaning a toner from a surface of a cylindrical latent image carrier having; a cleaning blade mechanism which includes a cleaning blade arranged so that a tip edge portion on a first surface of the cleaning blade contacts with the surface of the cylindrical latent image carrier, and a supporting member positioned on a second surface at a base end portion of the cleaning blade to urge the cleaning blade to contact with the surface of the cylindrical latent image carrier; and a laminar vibration-damping member whose base end portion is held by the supporting member on the second surface of the cleaning blade, wherein, on a tip end portion of the vibration-damping member, a plurality of slits are formed so that a plurality of tab portions are formed to be arranged in the axial direction of the cylindrical latent image carrier.

Abstract: A rotation stabilizing device includes a rotary member rotated around a rotating center axis, an inertia member vibrating in accordance with a change of rotating speed of the rotary member, and a viscoelastic connector for detachably connecting the inertia member to the rotary member. The viscoelastic connector has viscosity and elasticity so as to change form in accordance with vibration of the inertia member. The inertia member is connected to at least one of an outer side and an inner side of the rotary member at a same phase in a direction of the rotating center axis of the rotary member by the viscoelastic connector.

Abstract: A rotation stabilizing device of the invention has therein a rotary member which rotates around the central rotation axis, an inertia member which is arranged at the position different from that for the royary member in terms of the axial direction of the central rotation axis, and a connecting member which is provided with a viscoelastic member having viscosity and elasticity and connects the rotary member and the inertia member in a detachable manner through the viscoelastic member, and is characterized in that the connecting member is provided at the position which is away from the central rotation axis in the radial direction.

Abstract: This invention provides a method for conveniently obtaining a compound of formula (Ia) which is a production intermediate of antimicrobial compounds, in which a salt of optically active acid of formula (IIIa) is obtained by allowing a compound of formula (I), a ketone compound and an optically active acid to react with one another, converted into its free form and then hydrolyzed. In the formula, R1: hydrogen atom or alkyl, aryl or aralkyl group; R2: hydrogen atom or alkyl, aryl, aralkyl, acyl, alkyloxycarbonyl, aralkyloxycarbonyl or substituted sulfonyl; these may further have substituents.

Abstract: A process for industrially preparing intermediates of aromatic amidine derivatives having anticoagulant activity, i.e.

Abstract: A rotation stabilizing device comprises a rotary member rotated around a rotating center axis; an inertia member vibrating in accordance with change of rotating speed of the rotary member; and a viscoelastic connector for detachably connecting the inertia member to the rotary member, wherein the viscoelastic connector has viscosity and elasticity so as to change form in accordance with vibration of the inertia member. The inertia member is connected to at least one of an outer side and an inner side of the rotary member at a same phase in a direction of the rotating center axis of the rotary member by the viscoelastic connector.

Abstract: A process for industrially preparing intermediates of aromatic amidine derivatives having anticoagulant activity (Japanese Patent Application Laid-Open No. 5-208946); i.e., compounds represented by formula (3) or salts thereof by the following reaction scheme including (1), (2), and (3), wherein R1 represents H, an alkanoyl group, an alkoxycarbonyl group, an aralkyl group, an aralkyloxycarbonyl group, or the like; and R3 represents H, an alkyl group, or an alkanoyl group.

Abstract: A clutch is provided with an input section for inputting driving force in to the clutch, an output section for outputting driving force from the clutch, a shifting device for shifting one of the input section and the output section against the other one between an engaging position where the driving force is transmitted by the engagement of the input section with the output section and a releasing position where the driving force is intercepted by releasing the one from the other; and a shock easing member provided to at least one of the input section and the output section, for ease shock caused by the shifting.

Abstract: In a driving apparatus to transmit driving power to an image carrying member in an image forming apparatus, provided with a driving gear and a flywheel coupled with the image carrying member, there are further provided with a rigid protrusion fixed on one of the driving gear and the flywheel; and an elastic member fixed on the other one of the driving gear and the flywheel, the elastic member is shaped so as to engage with the rigid protrusion and includes a first member provided in contact with the rigid protrusion at the engaging portion for elastically deforming itself so as to control a natural frequency value of a driving system including said rotating body, and a second member for controlling damping characteristics of said driving system.

Abstract: An image forming apparatus having a rotational body. The apparatus includes: the rotating body such as a photoreceptor drum; a driver for driving the rotating body; the first member, provided in a driving transmission path of the driving force, for transmitting the driving force from the driving source to the rotating body, and for elastically deforming itself so as to control a natural frequency value of a driving system including the rotating body and driving source; and the second member, provided in the driving transmission path of the driving force, for controlling damping characteristics of the driving system.

Abstract: A developer in use with an image forming apparatus. The developer includes: a developing sleeve which rotates and holds toner on itself so as to develop a latent image on a photoreceptor with the toner; a driving motor for generating a rotational driving force; a drive transmission for transmitting the rotational driving force of the driving motor to the developing cartridge in which the drive transmission has a transmitting state and an untransmitting state; and a shock easing controller or member for easing a shock of transmission of the rotational driving force to the developing sleeve in the transmitting state, in which the shock easing controller or member is provided in at least one of the driving means and the drive transmission means.

Abstract: A lubricant for plastic working contains 0.01-40 wt % of an alkali metal salt of an alicyclic polyvalent carboxylic acid, 0.01-20 wt % of a water-soluble polymeric compound, and 0.01-40 wt % of a thermosetting resin powder with an average particle size of 0.1-20 .mu.m or 0.01-40 wt % of an epoxy resin powder with an average particle size of 0.1-20 .mu.m and 0.01-40 wt % of a curing agent, with the remainder water.

Abstract: A proper frequency of a driving system is shifted to a high frequency side by increasing the rigidity of a photoreceptor drum or the proper frequency of the driving system is shifted to a low frequency side by reducing the rigidity of the photoreceptor drum so that the proper frequency of the driving system is made so as not to conform with a frequency of a speed fluctuation component transmitted to the driving system. With this construction, the photoreceptor drum is prevented from causing the resonance and the speed fluctuation is reduced so that an image quality can be improved.

Abstract: A driving mechanism for rotating a rotary body in use with an image forming apparatus such as a copying machine or a printer. The mechanism includes: a rotary body having an axis on a driving shaft; a driving mechanism, including a gear chain, for rotating the rotary body; a first dynamic damper, located at a first side of the rotary body on the axis, having a first specific frequency band for absorbing a vibration of the rotary body; and a second dynamic damper, located at a second side which is opposite to the first side on the axis, having a second specific frequency band for absorbing the vibration of the rotary body.

Abstract: An apparatus for rotating a photoreceptor of a given length in its axial direction, comprises a driven system including the photoreceptor and a shaft provided at the axis of the photoreceptor and a driving system including a driving source and a transmission mechanism. The driven system and the driving system are arranged so that the proper oscillation frequency of the driven system is made lower than both the frequency of fluctuation component caused per one rotation of the driving system and the frequency of fluctuation component caused per one tooth of the transmission mechanism.