Inrichting voor het vastzetten van velvormig materiaal.

摘要

A sheet fixing device comprises an elongated support frame 1 having a narrow opening portion, a pressing frame 3 fitted in the elongated support frame 1 to hold a sheet 2 grippingly in cooperation with the elongated support frame, and an urging member 6 fitted in the pressing frame 3 to urge the pressing frame against an inner wall of the elongated support frame 1. The pressing frame 3 is prevented from being bent or warped.