Apparatus for holding a large surface area thin work piece when

Details Apparatus for holding a large surface area thin work piece when Apparatus for holding a large surface area thin work piece when

1993-04-26

1995-03-07

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

269 75, B25B 1100

Patent

active

053950984

ABSTRACT:
A large surface area work piece, such as a piece of sheet metal to be three-dimensionally deformed is held by a suction cup member which in turn is pivotally supported by a bearing disk and by a support that holds the bearing disk as a pivot socket. Two cooperating slide bearing surfaces are formed between the support and the bearing disk and two further cooperating slide bearing surfaces are formed between the bearing disk and the suction cup member. As a result, the angular adjustment movement of the suction cup member is substantially increased with the aid of the bearing disk. In operation, the applied suction or reduced pressure holds the components and the work piece in place. Venting or a slight excess pressure is applied to release the work piece. A flexible loop holds the three components together when suction is not applied.

REFERENCES:
patent: 4934671 (1990-06-01), Laninga et al.
patent: 4986503 (1991-01-01), Kabat
patent: 5072907 (1991-12-01), Vogt

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