| 摘要 |
<p>A window to be fitted in a wall, comprising two round sheets, fitted with a magnet in one of the sheets pointing outwards, each having air holes at 44 degrees leaving space at 46 degrees in each of the sheets towards the center of the sheets, a ball bearing fixed at the center portion of one sheet to join the sheets fitted as a seating on the outer portion of the round, two semi-circular frames having at least two channels in them with iron leaves pointing outwards of the frames. The window is suited for all types of building and structures and capable of manufacturing in any design. It also occupies lesser space when compared to the present ordinary windows and can be manufactured at lesser cost than the present one. The window is user friendly and offers higher degree of security while operating these windows.</p> |
