Roll-up door for vehicle shelters Patent #: 5579820
ApplicationNo. 629051 filed on 04/08/1996
US Classes:160/133, Roll type160/241, Plural roll160/273.1With interlock between fabric and guide
ExaminersPrimary: Johnson, Brian L.
Attorney, Agent or Firm
Foreign Patent References
International ClassE06B 009/08
Foreign Application Priority Data1995-04-14 FR
AbstractClosures 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.