Closing devices incorporating rolling means

Details Closing devices incorporating rolling means Closing devices incorporating rolling means

E - Fixed Constructions

06

B

E06B 9/26 (2006.01) E06B 9/13 (2006.01) E06B 9/174 (2006.01) E06B 9/58 (2006.01)

Patent

CA 2174043

This invention relates to improvements in closing devices, such as rolling shades or blinds, in which the drum for winding the slats of the shade body is formed by two superposed shafts, separation means being provided, adapted to avoid any friction between the layers of slats wound on said shafts. These means may in particular comprise step pulleys associated with endpieces of different lengths.

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