| 摘要 |
X-ray cassette having a casing, a fixed plate and a moveable plate within the casing, a film receivable between the plates, bias means including a cam riding surface for biasing the moveable plate toward the fixed plate by means of an actuating cam assembly, the biasing means including a pressure applying strap comprising a plurality of leaf spring elements, having variable cross-section and length, i.e., larger and longer as the leaf spring elements extend toward the center of the cassette. A buckler element may be present in the cassette to buckle the film from the plate. |
