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    • 89. 发明授权
    • Film auto-loading device of a camera
    • 相机的胶片自动装载装置
    • US5805943A
    • 1998-09-08
    • US831676
    • 1997-04-10
    • Hiroshi TeradaHiroaki Furuya
    • Hiroshi TeradaHiroaki Furuya
    • G03B17/00G03B17/02G03B17/42G03B1/00
    • G03B17/02G03B17/425G03B2217/244G03B2217/268
    • A camera capable of securing a more stable film loading operation and further of conducting a more stable information recording operation. The camera is equipped with a film loading motor (48), a film winding gear train, a film forwarding gear train and a clutch for releasing the transfer of a driving force of the motor (48) to the film forwarding gear train. When the reduction ratio of the film winding gear train is taken to be iW, the reduction ratio of the film forwarding gear train is taken to be iAL and the radius of the outermost portion of a spool shaft (56a) and spool rubber (56b) constituting a film take-up spool is taken as Rs (mm), the relationship among these values is determined as (iAL/iW).times.Rs=.gamma. where .gamma..gtoreq.13.6. In addition, in this case, the value .gamma. satisfies .gamma..gtoreq.19.0.
    • 一种能够确保更稳定的胶片装载操作并进一步进行更稳定的信息记录操作的照相机。 相机配备有胶片装载电动机(48),胶片卷绕齿轮系,胶片传送齿轮系和离合器,用于释放将电动机(48)的驱动力传递到胶片传送齿轮系。 当胶片卷绕齿轮系的减速比取为iW时,胶片预送齿轮组的减速比取为iAL,卷筒轴(56a)和卷筒橡胶(56b)的最外部的半径, 构成卷取卷轴为Rs(mm),将这些值之间的关系确定为(iAL / iW)×Rs =γ,其中γ> = 13.6。 另外,在这种情况下,值γ满足γ> = 19.0。