Abstract: A magnet compound material to be compression molded, said magnet compound material comprising a magnetic powder and a binder resin particles, wherein a ratio of Dv to Dn is in a range of 1.1 to 1.3, Dv and Dn of the binder resin particles denote the volume average particle diameter and the number average particle diameter, respectively.

Abstract: A magnetic field generating member with high stiffness and small size, an image development device, a process cartridge and an image forming apparatus including the magnetic field generating member as well as a manufacturing method of the magnetic field generating member are provided where the magnetic field generating member includes a main body, a groove provided in the main body, an interposition member configured to be fitted in the groove of the main body and including a concave portion and a magnetic member as a long magnetic compact fixed into the concave portion of the interposition member.

Abstract: A develop unit is configured to include a developer roller having a developer sleeve and a magnetic roller with a magnetic pole, a supply path formed in parallel with an axial direction of the developer roller, a supply screw supplying the developer to the developer roller, and a first bulkhead forming the supply path. In the developer unit, the magnetic pole is disposed so that a normal line through a maximum magnetic flux density point in a circumferential direction coincides with a tangent line to an upper portion of the supply screw in a rotary direction, the maximum magnetic flux density point being a point at which a density of a magnetic flux from the magnetic pole is maximum on an outer surface of the developer sleeve.

Abstract: A magnetic roller includes a solid-core roller having magnetic anisotropy in a direction orthogonal to a central axis thereof. The solid-core roller includes a body part, and shaft parts disposed on both ends of the body part, a concave groove provided in an outer circumference face of the body part to extend in an axial direction, and a magnetic block disposed in the concave groove, the magnetic block having a direction of magnetic anisotropy substantially orthogonal to a direction of the magnetic anisotropy of the magnetic roller.

Abstract: The invention relates to a working vehicle which can improve a workability of a maintenance, inspection and the like with respect to a portion around an engine, and can tilt up a rear hood together with a tilt-up floor. An upper side of an engine (not shown) can be covered in a rear end portion side of a floor (35). A hinge mechanism (38) is arranged between a front end portion of the floor (35) and a rev-frame (25), and the floor (35) can be tilted up via the hinge mechanism (38). A rear hood (32) is coupled by hinge to a first support column (15) of a mounting bracket (4) supporting the floor (35), and is structured so as to be freely opened and closed. It is possible to tilt up the floor (35) in a state of attaching the rear hood (32), by canceling a fixed state of the mounting bracket (4) to a supporting and fixing member such as a counter weight (2) or the like.

Abstract: A magnet roller for use with a hollow cylindrical structure made of a non-magnetic material includes a roller body and a reinforcing member. The roller body, encased in the hollow cylindrical structure, has at least one magnetic pole to form an agent releasing area on a skin of the cylindrical structure. The roller body is integrated with a shaft on each end portion of the roller body as one solid body. The reinforcing member is embedded in a portion of the roller body corresponding to the agent releasing area. The reinforcing member is made of a material different from a material used for the roller body and extends in an axial direction of the roller body.

Abstract: A development device includes a developer support body including a non-magnetic hollow body which contains a magnetic field generator and attracts a developer onto an outer surface by a magnetic force of the magnetic field generator, a magnetic member being disposed around the magnetic field generator and exerting a magnetic force on the magnetic field generator, and an anti-deflection magnetic field generator being provided around the hollow body and exerting a magnetic force on the magnetic field generator to prevent a deflection of the magnetic field generator by negating at least one of the magnetic force of the magnetic member and a gravitational force due to empty weight of the magnetic field generator.

Abstract: A magnet roller includes a cylindrical roller body including a side surface in which a groove is formed, a magnet body which is disposed in the groove, and a magnetic metal member which is attached to a surface of the magnet body, which is remote from an opening of the groove.

Abstract: A magnetic particle carrying device includes a magnetic field generator and a hollow cylindrical structure. The magnetic field generator generates a magnetic field. The hollow cylindrical structure encases the magnetic field generator and attracts magnetic particles on an external surface of the hollow structure using the magnetic field. The external surface of the hollow cylindrical structure is provided with a plurality of elliptical depressions. The depressions include first type depressions and second type depressions. A long axis of a first type of elliptical depression is substantially extending in an axial direction of the hollow cylindrical structure, and a long axis of a second type of elliptical depression is substantially extending in a circumferential direction of the hollow cylindrical structure. The external surface of the hollow cylindrical structure has more elliptical depressions of the second type than elliptical depressions of the first type.

Abstract: The invention relates to a canopy installation structure provided with strength of a ROPS in a working vehicle, and more particularly to a canopy installation structure which does not increase a counterweight even in a compact working vehicle having a comparatively light vehicle weight. Lower ends of a pair of left and right support columns (10a, 10b) supporting a roof installation plate (5a) from a lower surface side are connected and firmly attached by an installation seat plate (11). An installation bracket (3) is provided with a support column (15) and a canopy installation seat (16) in which a portion near one end is attached to the support column (15), and firmly supports and fixes the installation seat plate (11) by an installation bolt (13). The support column (15) is supported and fixed to a counter weight or the like, and the other end portion of the canopy installation seat (16) is supported and fixed by utilizing a bracket (22) attached to a rev-frame.

Abstract: A developer holding member includes a magnetic field generating device and a hollow body including the magnetic field generating device thereinside, and attracting a developer to an external surface thereof with magnetic force of the magnetic field generating device. The external surface of the hollow body is randomly provided with a large number of depressions, and a peak intensity of a spectrum within a range of wavelengths not more than 1 mm, which is figured out by performing a frequency analysis using a profile curve in a circumferential direction of the external surface, is not more than 12.

Abstract: A development device including a developer carrier including a cylindrical magnetic field-generation member having a surface portion provided with a plurality of magnetic poles and a rotatable hollow member which is disposed inside the magnetic field-generation member and formed of a non-magnetic material, a developer control member configured to control an amount of a developer which is carried on the developer carrier and fed to an image supporter disposed to office the developer carrier, and an agitator provided upstream the developer control member in a rotating direction of the developer carrier and configured to feed the developer contained in a developer-containing tank in an axial direction of the hollow member, a developer conveying pole being provided on the surface portion of the magnetic field-generation member to form a developer separation area for separating the developed developer which has thin toner density from the hollow member into the developer-containing tank on the surface portion of t

Abstract: A development roller, including a development sleeve disposed near a photo conductive drum, a magnetic roller disposed in the development sleeve, and a supplying device configured to supply a developer including a toner and a magnetic carrier to the photo conducive drum uniformly, the development sleeve having an outer surface on which the developer including the toner and the magnetic carrier is adsorbed by a magnetic force of the magnetic roller.

Abstract: A magnet compound material to be compression molded, said magnet compound material comprising a magnetic powder and a binder resin particles, wherein a ratio of Dv to Dn is in a range of 1.1 to 1.3, Dv and Dn of the binder resin particles denote the volume average particle diameter and the number average particle diameter, respectively.

Abstract: A construction machine which comprises an undercarriage, an upper structure rotatably mounted on a top of the undercarriage, and a work equipment movably supported at a front of the upper structure, in which within a frame assembly that forms a base of the upper structure, at least following components are produced by casting a weldable material: a work equipment support that supports the work equipment; a right vertical rib and a left vertical rib, a distance therebetween widening gradually as they extend backwards from the work equipment support; a bottom plate that extends towards inside, adjoining bottom edges of the work equipment support, the right vertical rib and the left vertical rib.

Abstract: The present invention relates to a core bit (1) for a core drill in which a tube (20) is detachable relative to a coupling (10), and has a structure which allows core remaining in a tube to be removed out of an opening of the tube at a side thereof where no segment is present. The core bit further has a firm structure for fitting the tube (20) onto the coupling (10). The coupling (10) of the core bit (1) to be fitted to the core drill has an insertion part (11b), onto which the tube (20) is to be detachably fitted. On the outer side of the coupling (10), there is mounted a coupling cover (30), which covers the insertion part (11b) of the coupling (10). The provided on respective separate positions are: an anti-rotation structure for preventing the tube (20) fitted onto the insertion part (11b) from rotating relative to the insertion part (11b); and a fixing structure for preventing the tube (20) from dropping off the insertion part (11b).

Abstract: A roll including a core shaft formed from metal, an elastic layer formed from resin or rubber material arranged around the core shaft and having a resistance, and a surface layer arranged around the elastic layer and having a resistance. The resistance of the surface layer is smaller than that of the elastic layer so that the entire volume resistance of the roll is less than a volume resistance of the elastic layer.

Abstract: To provide a transaction voucher management method and a transaction voucher management program enabling consistency checking at an early stage in regard to a work process procedure of a transaction performed between business applications, easy addition or modification of the work process procedure when necessary, and unified management of a transaction voucher history in regard to a plurality of business applications.

Abstract: A development roller includes a core shaft, an elastic layer coating the core shaft, and a surface layer coating the elastic layer. The surface layer has a resistance smaller than a resistance of the elastic layer. And, the development roller has an entire volume resistance smaller than a volume resistance of the elastic layer.

Abstract: Disclosed is a roll, especially, development roll capable of carrying out reduction of hardness and resistance without any fear of leak to the latent image.