摘要:
Deep groove ball bearings are used as bearings supporting both side portions of a worm. In the first bearing on the side of a motor, the curvature radius of a raceway groove in an inner ring or the curvature radius of a raceway groove in an outer ring are set to a specific numerical range with respect to the diameter of a ball.
摘要:
Deep groove ball bearings are used as bearings supporting both side portions of a worm. In the first bearing on the side of a motor, the curvature radius of a raceway groove in an inner ring or the curvature radius of a raceway groove in an outer ring are set to a specific numerical range with respect to the diameter of a ball.
摘要:
The present invention provides an image forming apparatus including: an electrophotographic photoreceptor; a charging unit; an electrostatic latent image forming unit that forms an electrostatic latent image; a developing unit that develops the electrostatic latent image formed at the electrophotographic photoreceptor by a developer to form a toner image, the developing unit storing the developer containing a toner having toner particles containing a crystalline resin and having a shape factor SF1 of from 100 to 150, a volume average particle diameter of from 3 to 6 μm, and fluorocarbon-based resin particles as an external additive; a transfer unit; and a cleaning unit that cleans the surface of the electrophotographic photoreceptor with a blade containing urethane rubber, the blade disposed applying a pressure to the electrophotographic photoreceptor surface of 0.20 mN/mm or more.
摘要:
To provide an electrophotographic photoreceptor including the outermost surface layer formed from a cured film of a composition containing a compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule and a chain transfer agent having a sulfur atom in a molecule, in which the reaction rate of the compound having a chain polymerizable functional group and a charge transportable skeleton in a molecule is about 90% to about 100% and the charge mobility of the cured film at an electric field intensity of 1.0×105 v/cm is from about 5.0×10−7 cm2/Vs to about 1.0×10−4 cm2/Vs.
摘要翻译:为了提供一种电子照相感光体,其包括由分子中含有具有链可聚合官能团和电荷输送性骨架的化合物和分子中具有硫原子的链转移剂的组合物的固化膜形成的最表面层,其中, 分子中具有链可聚合官能团和电荷输送性骨架的化合物的反应速率为约90%〜约100%,电场强度为1.0×105v / cm的固化膜的电荷迁移率为 约5.0×10 -7 cm 2 / Vs至约1.0×10 -4 cm 2 / Vs。
摘要:
Provided is a thiol group-containing charge transporting material represented by the following general formula (1): F-[(G)a1-(X)a2—Y—SH]b (1) wherein F represents an organic group derived from a charge transporting compound, G represents a divalent organic group having 1 to 5 carbon atoms, X represents a group selected from a —CO—O— group, an —O—CO— group, and an —O— group, Y represents a divalent organic group having 1 to 5 carbon atoms, a1 and a2 each independently represent 0 or 1, and b represents an integer of 1 or more and 6 or less.
摘要:
[Problem] To efficiently obtain an α-olefin polymer having a high melting point and a high molecular weight. [Solution to Problem] The process for preparing an olefin polymer of the present invention is a process for preparing an olefin polymer, comprising polymerizing at least one monomer selected from α-olefins of 2 or more carbon atoms, wherein the polymerization is carried out at a temperature of not lower than 40° C. in the presence of a catalyst comprising a transition metal compound component (A) which comprises two or more kinds of transition metal compounds (a) represented by the following formula [A1] and an organometallic compound component (B) which comprises an organometallic compound (b), propylene is contained in the monomer, and the olefin polymer is an olefin polymer whose weight-average molecular weight (Mw) and number-average molecular weight (Mn), as determined by gel permeation chromatography (GPC), satisfy the relationship of 1≦(Mw/Mn)≦3, and which has a melting point (Tm), as determined by DSC, of not lower than 150° C. and an intrinsic viscosity ([η]) of not less than 1.5 dl/g.
摘要:
Provided are a thin client-server system, a thin client terminal, a data management method, and a computer readable recording medium capable of preventing data leakage when the thin client terminal is lost.A thin client-server system comprising a server provided with a database storing user data, and a thin client terminal acquiring the user data from the server, connected through a network, wherein the thin client terminal is provided with communication processing means to transmit and receive data; storage means to execute a user data acquisition request to the server through the communication processing means, and store the user data acquired from the server in a volatile memory; and control means to judge whether or not a predetermined time has passed after the reference to the user data stored in the volatile memory has been completed, and delete the data stored in the volatile memory when the time has passed.
摘要:
An image forming apparatus includes: an electrophotographic photoreceptor including a conductive support and a photosensitive layer including an outermost surface layer capable of transporting a charge, the layer being farthest from the conductive support and containing a resin having a crosslinking structure; a charging unit that charges the electrophotographic photoreceptor; a first exposure unit that exposes the electrophotographic photoreceptor to form an electrostatic latent image on the electrophotographic photoreceptor charged; a developing unit that develop the electrostatic latent image with a toner to form a toner image; a transfer unit that transfer the toner image from the electrophotographic photoreceptor to a medium to be transferred; and a second exposure unit that uniformly expose the electrophotographic photoreceptor, the outermost surface layer absorbing exposure light of the second exposure unit and having a maximum absorbance of about 0.05 or less in the entire wavelength range of the exposure light.
摘要:
An image forming apparatus includes: an electrophotographic photoreceptor including a conductive support and a photosensitive layer including an outermost surface layer capable of transporting a charge, the layer being farthest from the conductive support and containing a resin having a crosslinking structure; a charging unit that charges the electrophotographic photoreceptor; a first exposure unit that exposes the electrophotographic photoreceptor to form an electrostatic latent image on the electrophotographic photoreceptor charged; a developing unit that develop the electrostatic latent image with a toner to form a toner image; a transfer unit that transfer the toner image from the electrophotographic photoreceptor to a medium to be transferred; and a second exposure unit that uniformly expose the electrophotographic photoreceptor, the outermost surface layer absorbing exposure light of the second exposure unit and having a maximum absorbance of about 0.05 or less in the entire wavelength range of the exposure light.
摘要:
An image forming apparatus is capable of performing image formation at a processing speed of not lower than 150 mm/s. An electrophotographic photoreceptor comprises a surface layer containing a siloxane-bases resin having charge-transporting properties and a crosslinked structure. A cleaning device comprises a brush member disposed such that the leading end of said brush comes in contact with said electrophotographic photoreceptor. The product (Rz×We) of the surface roughness (Rz [μm]) of said electrophotographic photoreceptor after 200,000 rotations thereof and the wear rate of said electrophotographic photoreceptor per 1,000 rotations (We [nm]) is not greater than 20.
摘要翻译:图像形成装置能够以不低于150mm / s的处理速度进行图像形成。 电子照相感光体包括含有具有电荷传输性能和交联结构的硅氧烷基树脂的表面层。 清洁装置包括刷构件,其布置成使得所述刷子的前端与所述电子照相感光体接触。 所述电子照相感光体在其20万旋转后的表面粗糙度(R z z max)的产物(R z z x e e e)和 所述电子照相感光体每1000转(W e e [nm])的磨损率不大于20。