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US 4,382,343 AGranted
Stretching machine
AssigneeChaussures Helene
InventorAndre Chahanian
Life of this patent
Estimating the term…
Abstract
A framework for a canvas is placed on an anvil that is laterally movable below a nailing head. The canvas is held by a clamp which is movable to stretch the fabric prior to mailing.
Claims14
A machine for attaching a canvas or the like to a framework by means of fasteners applied by a fastening head, comprising an anvil for supporting the framework and positioned adjacent to said fastening head and movable laterally with respect to said fastening head to move said framework past said fastening head, and clamp means for both holding and stretching said canvas before each application of fasteners by said fastening head.
Dependencies are inferred from the claim text.