| 摘要 |
PROBLEM TO BE SOLVED: To provide a net adjustment device for a wire door or window screen, etc., allowing easy adjustments so that an entire net is evenly extended or completely stored. SOLUTION: In a wire door or window screen or the like which is framed by right and left jambs 2, a head 3, and a sill 4, with one of these members used as a net storage frame 1 to install therein a winding device 7 for a net 5, the winding shaft of which winding device 7 is rotated by the resiliency of a spring, with a coil spring adjustment device 10 mounted in the end face cap 33 of the net storage frame 1, an adjustment knob 23 turned to increase the resilient force of a coil spring for winding the net 5 and a release lever 25 for the resilient force are exposed to the indoor side face of the end face cap 33.
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