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    • 1. 发明授权
    • Demountable bearing and shaft assembly
    • 可拆卸轴承和轴组件
    • US4065638A
    • 1977-12-27
    • US698630
    • 1976-06-22
    • Ralph F. Manriquez
    • Ralph F. Manriquez
    • B41J29/02H04L13/04
    • B41J29/02
    • A bearing assembly and drive shaft particularly useful in connection, for example with a point-of-sale terminal in which the drive shaft is held within the terminal by a simple bowed spring retainer which spring-loads the bearing body elements against the side walls of the print stations of the terminal and which is easily removable so that the bearing assemblies and shaft can be removed from, and inserted in, the terminal by a simple bayonet type action. This concept provides a drive shaft in a POS terminal which facilitates maintenance of the terminal in situ, if desired.
    • 一种轴承组件和驱动轴,其特别用于连接例如销售点终端,其中通过简单的弓形弹簧保持器将驱动轴保持在端子内,弹簧将弹簧加载轴承主体元件抵靠在 终端的打印站,并且其易于拆卸,使得轴承组件和轴可以通过简单的卡口式动作从终端移除并插入终端。 如果需要,该概念在POS终端中提供驱动轴,其有助于原位维护终端。
    • 3. 发明授权
    • Printer platen
    • 打印机压板
    • US4227819A
    • 1980-10-14
    • US963210
    • 1978-11-24
    • Ralph F. Manriquez
    • Ralph F. Manriquez
    • B41J11/20
    • B41J11/20
    • A platen assembly for feeding and holding single or multi-layer record media (forms) for printing thereon, particularly useful in connection with a matrix type printer of a point-of-sale terminal. This assembly comprises one of a pair of feed rollers pivotally mounted so as to yieldingly engage and hold both sides of the record media, while a platen yieldingly engages and holds the record media against guides which determine the gap between the matrix head for proper operation of the printer wires. For line-by-line printing, the platen is first disengaged from the record media while the power feed rollers move the record media the required distance before the platen again engages the media. This platen assembly is particularly characterized by having the platen free-floating or mechanically disconnected from the rest of the assembly except through resilient means which permits the platen to assume an orientation commensurate with the orientation of the lower surface of the record media thus accommodating variations in thicknesses of the media, whether the variations in thickness are in the length of the media, such variations caused, for example, by a fold or crease in one of the layers.
    • 用于馈送和保持用于在其上打印的单层或多层记录介质(形式)的压板组件,特别适用于销售点终端的矩阵型打印机。 该组件包括一对馈送辊中的一个,其可枢转地安装,以便可靠地接合并保持记录介质的两侧,同时压板可有效地将记录介质接合并保持在记录介质上,导轨确定矩阵头之间的间隙,以正确操作 打印机电线。 对于逐行打印,压板首先从记录介质上脱离,同时供纸辊将记录介质移动到压板再次啮合介质之前所需的距离。 该压板组件的特征在于,使压板自由浮动或与组件的其余部分机械地断开,除了通过弹性装置,其允许压板采取与记录介质的下表面的取向相适应的取向,从而适应 介质的厚度,厚度的变化是否在介质的长度上,这种变化例如由一层中的折叠或折痕引起。