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    • 24. 发明公开
    • 사무기기의 급지장치
    • 通过拆卸由驱动滚子引起的制动力来防止纸张丢失的办公机器的送纸装置
    • KR1020040089939A
    • 2004-10-22
    • KR1020030023790
    • 2003-04-15
    • 삼성전자주식회사
    • 장덕환
    • B41J11/00
    • B65H3/0669B65H3/0623B65H2403/40B65H2513/51
    • PURPOSE: A paper feeding apparatus of an office machine is provided to precisely feed papers while preventing papers from being jammed by removing braking force caused by a drive roller. CONSTITUTION: A paper feeding apparatus(100) of an office machine includes a paper feeding cassette(120), a frame(120) for mounting the paper feeding cassette(120) thereon, a pickup unit(130) installed at the frame(120) in order to pickup the papers, and a conveying unit(140) installed on the frame(120) so as to convey papers introduced thereto from the pickup unit(130). A plurality of frictional bucklers(128) are installed at a front portion of the paper feeding cassette(120). The pickup unit(130) has a pickup roller assembly(131), and a pickup roller assembly lifting section(150).
    • 目的:提供一种办公机器的送纸装置,以精确地进给纸张,同时通过除去由驱动辊产生的制动力来防止纸张卡住。 构成:办公机器的送纸装置(100)包括供纸盒(120),用于在其上安装供纸盒(120)的框架(120),安装在框架(120)处的拾取单元(130) ),以及安装在所述框架(120)上的输送单元(140),以便将从所述拾取单元(130)引入的纸张输送。 多个摩擦调节器(128)安装在供纸盒(120)的前部。 拾取单元(130)具有拾取辊组件(131)和拾取辊组件提升部分(150)。
    • 25. 发明授权
    • 인쇄기기의 급지장치
    • 인쇄기기의급지장치
    • KR100413694B1
    • 2004-01-03
    • KR1020020018024
    • 2002-04-02
    • 삼성전자주식회사
    • 김원택
    • B41J11/00
    • B65H1/26B65H3/0669B65H3/0684B65H3/34B65H2301/423245B65H2403/41B65H2403/42B65H2403/72B65H2403/723B65H2403/942B65H2801/06B65H2801/39
    • A sheet feeding apparatus for a printing device includes a pickup roller and a feeding roller picking up sheets loaded on a tray and feeding the sheets into a sheet feeding path, respectively, a rotation member installed on a rotation shaft of the feeding roller to support and rotate the pickup roller at a free end, a relay gear engaging the feeding roller and the pickup roller, a clutch unit selectively transferring a raising force of the rotation shaft to the rotation member, and a stopper installed in the rotation member to be elevated and lowered with respect to the rotation member to block a path between the pickup roller and the feeding roller. Accordingly, since the pickup roller is raised to allow the sheets to be loaded and then lowered after the sheets are loaded on the tray, front ends of the sheets are automatically inserted under the pickup roller. In addition, since the stopper aligns the sheets under the pickup roller when the sheets are pushed toward the feeding roller, the front ends of the sheets are prevented from being crumpled by the feeding roller.
    • 一种用于打印装置的供纸装置包括拾纸辊和拾纸辊,拾纸辊分别装载在托盘上并将纸张送入送纸路径;旋转部件,安装在送纸辊的旋转轴上以支撑和 在自由端旋转拾取辊;与输送辊和拾取辊接合的中继齿轮;离合器单元,将旋转轴的上升力选择性地传递到旋转构件;以及止动器,安装在旋转构件中以提升并且 相对于旋转构件降低以阻挡拾取辊和馈送辊之间的路径。 因此,由于搓纸辊被抬起以允许纸张被装载并随后在纸张被装载到托盘上之后被降下,所以纸张的前端被自动地插入搓纸辊的下方。 另外,由于当片材被推向馈送辊时止动器将拾取辊下方的片材对齐,所以防止片材的前端被馈送辊弄皱。
    • 26. 发明公开
    • 사무기기의 수동급지 장치
    • 办公机械手送纸送料装置
    • KR1020030087840A
    • 2003-11-15
    • KR1020020025920
    • 2002-05-10
    • 삼성전자주식회사
    • 김수현
    • B65H3/06
    • B65H3/0623B65H3/0669B65H7/06B65H2405/1136B65H2553/82B65H2801/03
    • PURPOSE: A manual sheet feeding device for an office machine is provided to prevent the skew feeding of a sheet by using a sensor and simple software. CONSTITUTION: In an office machine including a manual sheet feeding guide(101a) and a feeding roller(103), a first sheet detecting sensor(107) is installed at a sheet feeding course between the manual sheet feeding guide and the feeding roller. A second sheet detecting sensor(108) is installed at the manual sheet feeding guide. A control unit rotates the feeding roller in an opposite direction of the sheet feeding for a specified period of time a when the first sheet detecting sensor detects a sheet.
    • 目的:提供用于办公机器的手动送纸装置,以通过使用传感器和简单的软件来防止纸张的偏斜进给。 构成:在包括手动进纸引导件(101a)和进给辊(103)的办公机器中,第一纸张检测传感器(107)安装在手送纸张进给引导件和进给辊之间的送纸过程中。 第二片材检测传感器(108)安装在手动片材进给引导件上。 控制单元在第一片材检测传感器检测到片材时,使进给辊沿片材进给的相反方向旋转指定的时间段a。
    • 28. 发明公开
    • 시트 공급 장치, 이를 갖는 화상 형성 장치 및 화상 판독 장치
    • 表格提供装置,图像形成装置和图像读取装置具有表格提供装置
    • KR1020000029070A
    • 2000-05-25
    • KR1019990044502
    • 1999-10-14
    • 캐논 가부시끼가이샤
    • 스가다께시야노다까시
    • G03G15/00
    • B65H3/5261B65H1/14B65H3/0669B65H2301/42324B65H2402/31B65H2403/421B65H2403/512B65H2405/11162
    • PURPOSE: A sheet providing apparatus, and image forming apparatus and image reading apparatus having sheet providing apparatus is provided to enhance a stability and a reliability and decrease a repair cost by contacting a sheet to a sheet providing device before a forward end portion of the sheet is reached to the sheet providing device. CONSTITUTION: An intermediate plate(70) is moved around support points(70a,70b) to forward and backward side plates(63,64). A felt(71) is formed on an end portion of the intermediate plate(70) for preventing a double providing of a sheet and relaxing an impact by a pressure of the intermediate plate(70) to a sheet providing roller(51). The sheet providing roller(51) is fixed to a sheet providing roller supporting shaft(52). A sheet providing driving gear(65) is fixed to a backward end portion of the sheet providing roller supporting shaft(52). A control gear(80) is coupled to the sheet providing driving gear(65), and has a toothless portion(80a). A cam(80c) is formed in one body with the control gear(80) for contacting sheets supported by the intermediate plate(70) to the sheet providing roller(51) and releasing the contact. The control roller(80) is fixed to a driving shaft(90) having a spring clutch(68).
    • 目的:提供一种片材提供装置和具有片材提供装置的图像形成装置和图像读取装置,以通过在片材的前端部分之前将片材接触片材提供装置来提高稳定性和可靠性并降低修复成本 到达纸张提供装置。 构成:中间板(70)围绕支撑点(70a,70b)移动以向前和向后的侧板(63,64)移动。 在中间板(70)的端部形成毡(71),用于防止纸张的双重提供,并且通过中间板(70)的压力将冲击放松到片材供应辊(51)。 片材供给辊(51)固定在片材供给辊支承轴(52)上。 提供驱动齿轮(65)的片固定到片材提供辊支撑轴(52)的后端部分。 控制齿轮(80)联接到片材提供驱动齿轮(65),并且具有无齿部分(80a)。 凸轮(80c)与控制齿轮(80)一体地形成,用于将由中间板(70)支撑的片材接触到片材供应辊(51)并释放接触件。 控制辊(80)固定在具有弹簧离合器(68)的驱动轴(90)上。