Abstract: An output sprocket wheel attachment structure includes a coned disk spring fitted with an output power shaft is abutted with and positioned by a stepped portion. An output sprocket wheel spline-fitted with spline grooves formed at an outer side portion of the output power shaft with respect to the stepped portion is pressed by the coned disk spring. A cap nut which engages with male threads formed at an end portion of the output power shaft is restricted and fixed at a bottom face thereof by and to an axial end of the output power shaft. Movement in an axial direction of the output sprocket wheel pressed by the coned disk spring is restricted by an opening end portion of the cap nut.

Abstract: A metallic container closure including a shell of a thin metal sheet having a circular top panel wall (7) and a skirt wall (9), and a synthetic resin liner arranged in the shell, the skirt wall (9) having a thread-forming region and an annular groove (17) positioned at an upper end portion of the thread-forming region, wherein an internal pressure release line A extending in the circumferential direction is arranged in the skirt wall (9) at a portion over the annular groove (17), and annular bead (30) is arranged so as to pass through between the internal pressure release line A and the annular groove (17).

Abstract: A light source apparatus includes: a light source that emits blue component light; a polarization adjuster that adjusts a polarization state of the blue component light emitted from the light source; a separation optical element that separates the blue component light emitted from the light source into a first optical path and a second optical path according to the polarization state adjusted by the polarization adjuster, the first optical path being for using the blue component light as excitation light, the second optical path being for using the blue component light as reference image light; a luminous body provided on the first optical path and that emits reference image light in response to the excitation light; and a combine optical element that combines the first optical path and the second optical path into a single optical path.

Abstract: A migration-destination file server is coupled to a migration-source file server that provides a migration-source file system, and provides a migration-destination file system. The migration-destination file server comprises a storage device and a controller.

Abstract: A fluorescent endoscope apparatus includes an excitation light irradiation system for irradiating a living body with excitation light, a wavelength-selective transmission member which transmits light from the living body in a wavelength-selective manner, a photodetector which photoelectrically converts the selected and transmitted light, a wavelength selection control section which controls the wavelength-selective transmission member, to make it select and transmit light in a plurality of fluorescence detection wavelength regions and light in spectrum acquisition wavelength regions in a predetermined wavelength range that includes at least one of the fluorescence detection wavelength regions, a fluorescence image synthesizer for synthesizing images in the fluorescence detection wavelength regions, a display device for displaying the synthesized image, and an intensity distribution acquisition section which acquires the intensity distribution of light in the predetermined wavelength range.

Abstract: A backup system having duplicated file system data and composed of a plurality of storage systems having different performances is provided, wherein a processing time required for backup of a small-sized file or an on-demand restoration of a file is reduced. A distributed backup system composed of a storage system and a plurality of backup units is equipped with a function for selecting a backup unit based on a plurality of performance indexes, and a requested data transfer size for performing backup or restoration is considered when performing the selection.

Abstract: When a management screen for conducting management operation of a file system in the NAS apparatus 10 of a file server is displayed by the administrator on a display device of the management console 30 by using the management console 30, if a disk device obtained from the storage apparatus 20 is in a power saving state, the NAS apparatus 10 has a function to change the operations hereafter. Specifically, a screen is displayed on the management screen, in which a creation or deletion of the file system becomes impossible with respect to the disk device in the power saving state. Therefore, the administrator can conduct management operations for services without referring to the power status, thereby resulting in easy management operation.

Abstract: A shift drive mechanism in which a special constant-meshing-type multi-speed transmission can be applied to a transmission case of a constant-meshing-type multi-speed transmission of a general type. In a shift drive mechanism of a multi-speed transmission where the transmission is configured such that a control rod is movable in the axial direction on a hollow-shaft center axis of a gear shaft formed in a hollow shape so that an engagement changeover mechanism is driven to perform a gear shift, and a shift pin, which is guided by a shift drum provided near a periphery of the gear shaft, moves the control rod in the axial direction, an intermittent drive mechanism intermittently rotates the shift drum for every position of each gear speed by transmitting the reciprocating rotation of a shift spindle, which is connected to a gear shift operating member, is arranged between the shift spindle and the shift drum.

Abstract: An endoscope apparatus includes an excitation-light radiation unit; a fluorescence-image acquisition unit; a fluorescence-spectrum storage unit; a density computation unit, an image combining portion; and an image display portion; wherein when coefficients at wavelengths of fluorescent components obtained from the fluorescence spectra in the storage unit, and when intensities of fluorescence images at the wavelengths acquired by the acquisition unit, the density computation unit calculates the densities of the fluorescent components from an equation, and when the densities are calculated, in accordance with a change in the value of an exposure condition item during acquisition of the fluorescence image at a wavelength, the density computation unit changes the coefficients at the wavelength using the ratio of the value after the change to the value of the exposure condition items under the reference exposure conditions has been made.

Abstract: A gear with an annular member disposed alongside a side wall of an inward protrusion in a manner turnable relative to the side wall. The annular member is formed with abutment projections with inclined surfaces extending in circumferential directions and engaged by engaging pawls. The annular member is urged by return springs in such a manner that the portion of each abutment projection, at least other than the inclined surfaces, overlaps each engaging projection as viewed in axial direction. Each inclined surface of the abutment projection is made up of a bottom-side inclined surface having an inclination angle allowing abutment by the engaging pawls, and a top-side inclined surface having an inclination angle not allowing abutment by the engaging pawls but causing sliding movement of the engaging pawls. The engaging pawls are prevented be imposed with excessive local load when the engaging pawls engage the engaging projections of the gear.

Abstract: A multi-stage transmission has driving gears m and driven gears n in constant mesh and supported for being individually engageable and disengageable with a hollow driven gear shaft. The transmission realizes a smooth speed change by providing cam rods within the driven gear shaft for engagement and disengagement between the driven gears n and the driven gear shaft and by providing compact lost motion mechanisms with axially acting springs for the cam rods, respectively. Swing pawl members each disengageably engage projections formed at circumferentially spaced positions on the inner peripheral surface of each driven gear n to control engagement and disengagement between each driven gear n and the driven gear shaft. The cam rods are moved in the driven gear shaft to operate the swing pawl members. Gear shift driving means includes a control rod moved in sliding contact with the inner surfaces of the cam rods.

Abstract: A multi-stage transmission has driving gears m and driven gears n that mesh constantly and are supported on a hollow driven gear shaft. The driven gears n are individually engageable with and disengageable from the hollow driven gear shaft. Swing pawl members control engagement and disengagement between each of the driven gears n and the driven gear shaft, and cam rods inserted in the driven gear shaft to slide relative to the internal surface of the shaft to operate the swing pawl members. Gear shift driving member includes a shift drum, a control rod in sliding contact with the inner surface of the cam rods to axially move the cam rods, and a control rod operating element responsive to rotation of the shift drum to move the control rod. The control rod and the driven gear shaft are prevented from relative rotation by an anti-rotation mechanism.

Abstract: Driven gears are supported on a hollow driven gear shaft in a manner engageable with and disengageable from a hollow driven gear shaft via swing pawl members. The transmission has first a engaging member for engaging the gear shaft with a first driven gear, so as to effect synchronous rotation thereof and a second engaging member for engaging the gear shaft with a second gear, one step lower in the reduction gear ratio than the first gear, so as to effect synchronous rotation thereof. When making an upshift by changing over the engaging member from the engagement with the first gear to the engagement with the second gear, the gear shift is made by engaging the second gear with the gear shaft through the second engaging member while the first gear is being in engagement with the gear shaft through the first engaging member.

Abstract: A multi-stage transmission includes both a drive and a driven gear shaft. A plurality of driven gears are mounted on the driven gear shaft for engagement and disengagement from the driven gear shaft individually by an engaging member that is changed over to make a gear shift. The engaging member includes swing pawl members swingably supported by pivot pins on the driven shaft. End parts of the swing pawl members, extending from the pivot pins are engaging claw parts engageable with engaging surfaces of engaging projections formed on the inner circumferential surfaces of the driven gears. The other end parts of the swing pawl members are acted upon to be pushed up by pin members which are operated to be advanced and retracted by gear shifting operation. The pin members operate to release engagement of the engaging claw parts with the engaging projections of the driven gears.

Abstract: An optical device includes a main body having a light incident surface, a light emitting surface provided facing the light incident surface, and a light-reflecting side surface provided from a periphery of the light incident surface to a periphery of the light emitting surface. In the optical device, the light incident surface, the light emitting surface and the light-reflecting side surface are mirror-finished, and a supporting portion configured to support the main body is provided on the light-reflecting side surface.

Abstract: A multistage transmission includes a lost motion mechanism for regulating the operation for a downward shift in acceleration and for an upward shift in deceleration. Regulating rods are integrally moved with a control rod. A cutout into which a pin can be fitted together with a cam groove of the slidingly touched cam rod is formed corresponding to each cam groove in the regulating rods. The cutout of the regulating rods corresponding to the cam groove of the cam rod for normal rotation is formed longer than the corresponding cam groove on the reverse side to a moving direction of the control rod in an upward shift in a state in which shifted speed is established. The cutout of the regulating rods corresponding to the cam groove of the cam rod for reverse rotation is formed longer than the corresponding cam groove on the reverse side to a moving direction.

Abstract: A lubrication structure for a multi-speed transmission has a lubrication structure in which a gear shaft is provided with cam guide grooves in an inner cavity thereof. A lubricating oil is introduced into the inner cavity by way of oil feed introducing holes which are bored in one end portion of the gear shaft so as to provide communication between the inside and the outside of the gear shaft. The lubricating oil is led in the axial direction along the inner peripheral surface of the inner cavity by axial oil feed grooves formed by cutting along the inner peripheral surface of the inner cavity in parallel to the cam guide grooves. The lubricating oil is led out to the engagement switch-over mechanism by radial oil feed holes bored in radial directions so as to communicate with the axial oil feed grooves at axial-direction positions where pin members are located.

Abstract: A storage apparatus is connected via a network to a plurality of host computers requesting data writing. The storage apparatus includes: a volume creation unit for creating virtual volumes to be accessed by the host computers; an allocation unit for allocating a storage area of the storage apparatus to a data storage area of the virtual volumes in response to a data write request from the host computers; and a capacity management unit for managing the capacity of data written from the host computers; wherein the capacity management unit adds the data written from the host computers with regard to each host computer and judges whether a total value of the added data exceeds a specified threshold or not.

Abstract: Disclosed is a multi-stage transmission which ensures that gear shifts are efficiently performed with a small number of component parts, smooth operations are performed with small forces, there are no loss of changeover time during gear shifts and no loss of the driving force, and the shift shock is small. The transmission has a driven gear shaft 12, in which are provided a first swing pawl member 25 engageable in a rotational direction with a first gear n1, a second swing pawl member 25 engageable in the rotational direction with a second gear n2 which is one step lower in reduction ratio, a third swing pawl member 24 engageable in the opposite rotational direction with the first gear n1, and a fourth swing pawl member 24 engageable in the opposite rotational direction with the second gear n2. A first cam rod 21 and a second cam rod 22 are provided which are slidable axially on and along the surface of an internal hole of the driven gear shaft 12.

Abstract: Proposed are a computer system and a data migration method which enable an improved response performance to a data access request from the user. A client computer or an application on a second file server transmits an access request for access to data stored in a first storage area to a second file server and, if an access request from the client computer is received, the second file server migrates data from a first storage area of a first storage apparatus to a second storage area of a second storage apparatus and, if an access request from the application on the second file server is received, data is migrated from the first storage area of the first storage apparatus to a third storage area of a third storage apparatus.