| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent excess and deficiency of a paper press up pressure due to a difference of weight in each size of paper, in a paper feed mechanism part for a page printer. SOLUTION: In a paper feed mechanism part, an optimum press up pressure in each paper size is obtained, by being provided with paper guides 1 movable to be matched with a width of paper, press up springs 2a, 2b for obtaining an optimum press up pressure in each paper size and paper press up spring receivers 3 moves integrally with the paper guide 1 to receive press up force of one or partly of the paper press up springs 2a, 2b.</p> |
