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公开(公告)号:US4252450A
公开(公告)日:1981-02-24
申请号:US948269
申请日:1978-10-03
摘要: A ribbon drive device comprising a rotatably supported drive roller, a rotatably supported idler roller and a device for biasing the idler roller against the drive roller to form a nip therebetween through which a ribbon is fed. The device for biasing the idler roller is positioned to apply a bias force to the idler roller at the longitudinal center thereof. The device for biasing comprises a straight piece of round or rectangular spring wire positioned in a groove formed in the periphery of the idler roller.
摘要翻译: 一种色带驱动装置,包括可旋转地支撑的驱动辊,可旋转地支撑的惰轮和用于将惰轮偏压抵靠驱动辊的装置,以在其间进行夹送,通过该辊隙输送色带。 用于偏置惰轮的装置被定位成在惰辊的纵向中心处向偏心辊施加偏压力。 用于偏置的装置包括定位在形成在惰轮的周边中的凹槽中的直的圆形或矩形弹簧丝。
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公开(公告)号:USD250613S
公开(公告)日:1978-12-19
申请号:US777488
申请日:1977-03-14
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