Claims
- 1. A membrane support system, comprising:(a) a frame containing an opening; (b) a membrane connected to an exterior surface of said frame having a portion of which spans said frame opening; (c) means for tensioning said membrane including a roller arranged between said frame and said membrane, said roller being rotatable in a plane parallel to a plane containing said membrane portion, whereby excess tension in said membrane portion during excursions thereof is relieved.
- 2. A membrane support system as defined in claim 1, wherein said roller is formed of one of a rigid material and a compliant material.
- 3. A membrane support system as defined in claim 2, wherein said roller has a cylindrical configuration.
- 4. A membrane support system as defined in claim 3, wherein said roller is hollow.
- 5. A membrane support system as defined in claim 2, wherein said roller is connected with said membrane.
- 6. A membrane support system as defined in claim 2, and further comprising a fastener film surrounding said roller, said membrane being connected with said fastener film.
- 7. A membrane support system as defined in claim 6, wherein said fastener film includes a first end portion connected with said frame and a tension end portion connected with one of said frame and said first end portion.
- 8. A membrane support system as defined in claim 7, and further comprising a spacer arranged between said roller and said fastener film, whereby torque at said tension end of said fastener film is increased.
Parent Case Info
This application is a division of application Ser. No. 09/981,401 filed Oct. 17, 2001 now U.S. Pat. No. 6,577,742 which is a continuation-in-part of application Ser. No. 09/864,425 filed May 24, 2001.
US Referenced Citations (15)
Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
09/864425 |
May 2001 |
US |
Child |
09/981401 |
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US |