| 摘要 |
A stretcher system (as seen in an inverse plan view) comprises two longitudinal profiles (3) between which a strechtcher sheet (2) is stretched, said profiles (3) being provided with brackets (5) between which foldable transversal stiffening members (4), said brackets (5) being provided with through openings (7, 8) for insertion of not shown leg and support members securable by the aid of clamping screws. |
