Closing devices incorporating rolling means

Details Closing devices incorporating rolling means Closing devices incorporating rolling means

1996-04-08

1997-11-04

Johnson, Blair

Flexible or portable closure, partition, or panel

Plural strip, slat, or panel type

Roll type

160241, 1602731, E06B 908

Patent

active

056829370

ABSTRACT:
Closures such as rolling shades or blinds which include a drum for winding slats of the closure body and which are formed by two superposed shafts. Separation devices are provided adapted to prevent any friction between layers of slats wound on the shafts. These devices may include stepped pulleys associated with slat end pieces of different lengths.

REFERENCES:
patent: 5579820 (1996-12-01), LePage et al.

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