| 摘要 |
An anti-friction device with an adjustable curvature, that may be inserted between the cloth rings of the curtains and the curtain-rods, comprising a structure (1) in soft material, like teflon or other plastic material, that follows and gives in to the different curvature radius' of the different curtain-rods, while some transversal elements (2, 3 and 4) represent the central and end locations thereof for the connection, by means of velcro or similar, with the internal surface of the curtains' cloth rings (A), reducing the friction during movement of the curtain.
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