| 摘要 |
<p>An apparatus (100) for applying canvas to a frame comprising a surface (112) for supporting a sheet of canvas and a frame, a pair of parallel members (114) mounted on the support surface of the apparatus, means (141) for retaining the canvas and the frame on the support surface and control means for controlling operation of the apparatus. Each member (114) has a clamping bar arrangement (128) operable to engage a side end of the canvas to be applied, a stretcher bar (137), clamping drive means (125) operable to engage the canvas against side edges of the frame and stretcher bar drive means (139) operable to stretch the canvas over the edge of the frame and retain the canvas in the stretched state to enable the canvas to be secured to the frame. Means (129) for adjusting the clamping bar arrangement (128) and the clamping drive means (125) are provided.</p> |
