Retractable automatic self-adjusting clamping means

Details Retractable automatic self-adjusting clamping means Retractable automatic self-adjusting clamping means

1977-12-13

1979-06-05

Makay, Albert J.

Material or article handling

Article supported by air and moved by mechanical or manual...

156 99, 156580, 269289R, B65G 706

Patent

active

041571401

ABSTRACT:
Retractable clamping means for clamping sheet laminates and other forms of work upon the work supporting surface of a table, said clamping means being retractable to inoperative storing position below said work supporting surface, and being movable to operative clamping position above the work supporting surface. In the preferred form of the invention, the clamping means operates upon two adjacent sides of rectangular workpieces in each clamping operation, and the workpieces are rotated 180 degrees on the work supporting surface to enable the clamping means to operate upon the remaining two sides of the workpieces. To facilitate handling of the workpieces, the table used in conjunction with the clamping means embodies air or other fluid float means.

REFERENCES:
patent: 3807720 (1974-04-01), Converse

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