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    • 2. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US5732309A
    • 1998-03-24
    • US802865
    • 1997-02-19
    • Jinju OkunoMasanori Yamamoto
    • Jinju OkunoMasanori Yamamoto
    • G03G15/20
    • G03G15/2064G03G15/2003
    • This invention concerns an image forming apparatus provided with a fixing device for fixing an image formed on a sheet. This apparatus comprises shutters for shielding opening parts formed in the fixing device for the passage of the sheet, a driver for switching the shutters between the opened state and the closed state, a sensor for detecting the presence or absence of the opened state of the shutters, and a CPU for setting the driver moving and controlling the opening or closing motion of the shutters. The CPU compares the signal to open or close the shutters and the signal from the sensor and prohibits the fixing device from producing a fixing motion when the sensor detects the closed state of the shutters in spite of the issuance of a signal to open the shutters. Owing to this construction, the otherwise possible blockage of the sheet by the shutters provided for the fixing device can be precluded because the fixing operation of the fixing device is prohibited when the shutters are closed in spite of the issuance of the signal to open the shutters.
    • 本发明涉及一种图像形成装置,其具有用于固定形成在片材上的图像的定影装置。 该装置包括用于屏蔽形成在用于片材通过的定影装置中的开口部分的快门,用于在打开状态和关闭状态之间切换快门的驱动器,用于检测快门的打开状态的存在或不存在的传感器 以及用于设置驾驶员移动并控制快门的打开或关闭运动的CPU。 CPU比较信号以打开或关闭百叶窗和来自传感器的信号,并且当传感器检测到快门的关闭状态时,尽管发出信号以打开快门,并且禁止定影装置产生固定运动。 由于这种结构,可以防止由设置用于定影装置的快门而导致的片材的可能的堵塞,因为当快门关闭时定影装置的定影操作被禁止,尽管发出信号以打开百叶窗 。
    • 8. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US06269229B1
    • 2001-07-31
    • US09531526
    • 2000-03-21
    • Masanori Yamamoto
    • Masanori Yamamoto
    • G03G1501
    • G03G15/0194G03G2215/0119
    • An image forming apparatus has first to fourth photoconductor drums, a driving source (i.e, motor), a transmitting member for transmitting power of the driving source to the photoconductor drums to rotate the photoconductor drums (i.e, gears and belts), a first restricting member being rotatably held and being coupled to the first and second photoconductor drums to restrict rotations of the first and second photoconductor drums (i.e, gear), the first restricting member being a member different from the transmitting member and a second restricting member being rotatably held and being coupled to the third and fourth photoconductor drums to restrict rotations of the third and fourth photoconductor drums (i.e, gear), and the second restricting member being a member different from the transmitting member.
    • 图像形成装置具有第一至第四感光鼓,驱动源(即,马达),用于将驱动源的功率传递到感光鼓以将光导鼓(即,齿轮和带)旋转的传送部件,第一限制 构件可旋转地保持并联接到第一和第二感光鼓,以限制第一和第二感光鼓(即,齿轮)的旋转,第一限制构件是不同于传递构件的构件,以及可旋转地保持的第二限制构件 并且耦合到第三和第四感光鼓,以限制第三和第四感光鼓(即,齿轮)的旋转,并且第二限制构件是不同于透射构件的构件。
    • 10. 发明授权
    • Fire retardent polyester resin composition and process for producing the
same
    • 阻燃聚酯树脂组合物及其制备方法
    • US5770644A
    • 1998-06-23
    • US806651
    • 1997-02-26
    • Masanori YamamotoShintarou Kishimoto
    • Masanori YamamotoShintarou Kishimoto
    • C08K5/3492C08K5/523C08K5/5399C08L67/02C08K5/49C08K5/51C08K5/52
    • C08K5/5399C08K5/34928C08K5/523C08L67/02
    • A fire retardant polyester resin composition comprising (A) 95 to 30 parts by weight of a polyester resin and (B) 5.0 to 70 parts by weight of a polyphenylene ether resin and/or polyphenylene sulfide resin, and, for 100 parts by weight in total of the components (A) and (B), (C) 0.05 to 10 parts by weight of a compatibilizing agent, (D) 2.0 to 45 parts by weight of a phosphoric ester compound or phosphonitrile compound, (E) 0 to 150 parts by weight of a reinforcing filler, (F) 0.001 to 15 parts by weight of an anti-dripping agent, (G) 0 to 45 parts by weight of a melamine cyanurate, and (H) 0 to 15 parts by weight of a polystyrene resin having epoxy group, provided that the amount of the component (G) is from 0.5 to 45 parts by weight for 100 parts by weight in total of the components (A) and (B) when the amount of the component (B) is less than 35 parts by weight. The polyester resin composition scarcely corrodes a metal mold when it is molded, and is excellent in fire retardancy.
    • 一种阻燃性聚酯树脂组合物,其包含(A)95〜30重量份的聚酯树脂和(B)5.0〜70重量份的聚苯醚树脂和/或聚苯硫醚树脂,并且对于100重量份 组分(A)和(B),(C)0.05〜10重量份相容剂,(D)2.0〜45重量份磷酸酯化合物或磷腈化合物,(E)0〜150 (F)0.001-15重量份抗滴落剂,(G)0至45重量份三聚氰胺氰尿酸酯,和(H)0至15重量份的增塑填料, 当组分(B)的量为100重量份时,组分(G)的用量相对于组分(A)和(B)为100重量份,为0.5〜45重量份, 小于35重量份。 聚酯树脂组合物在模塑时几乎不腐蚀金属模具,并且阻燃性优异。