Machine designed to lift a flexible, flat workpiece off a suppor

Details Machine designed to lift a flexible, flat workpiece off a suppor Machine designed to lift a flexible, flat workpiece off a suppor

1985-06-14

1987-02-10

Butler, Douglas C.

Sheet feeding or delivering

Feeding

Separators

294 61, B65H 322

Patent

active

046418261

ABSTRACT:
A machine is disclosed for lifting flexible flat workpieces such as fabric from a support surface. The machine includes a needle holder onto which a circular needle is mounted. The leading edge of the needle holder initially extends through a slit in the housing to push down on the workpiece when the machine is first placed thereon to prevent folds from occurring in the slit. Thereafter, the needle holder is rotated so that the circular needle perforates the top workpiece whereby the machine can be raised to lift the workpiece and move it to a desired location. When the needle holder returns to its rest position the needle is pulled out of the workpiece allowing it to fall from the grasp of the machine.

REFERENCES:
patent: 3402833 (1968-10-01), Pershing
patent: 3813094 (1974-05-01), Walton et al.
patent: 4008888 (1977-02-01), Vinciguerra

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