Simple inner window and assembly kit of simple inner window

Abstract

To provide a simple inner window 100 which is an inner window added to the interior side of an outer window already installed in a window opening F of a building and allows easy cleaning of the inside of a sash groove part 21 of an outer frame 10 for installing the sash 20 therein, and an assembly kit of easily assembling and constructing the simple inner window.SOLUTION: In a simple inner window 100 including an outer frame 10 installed in a window opening F and a sash 20 installed into the outer frame 10, an upper inner frame member 4a and a lower inner frame member 4b of the sash 20 are provided with guide portions 44 that engage with the outer surface of a groove wall portion 23 on one side of the screen groove portion 21 of the upper outer frame member 2a and the lower outer frame member 2b of the outer frame 10.SELECTED DRAWING: Figure 2

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