| 摘要 |
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.
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