Vacuum cup with precision hard stop

A method and apparatus for holding a part on a fixture in a precisely known predetermined position includes pressing a surface of the part against a vacuum head (25) and sealing an annular elastomeric sealing ring against the part surface. A valve button (108) of a valve is engaged by the part surfa...

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Hauptverfasser:	Stone, Paul R, Nelson, Paul E, Strand, David E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BORING HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING TURNING
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creator	Stone, Paul R Nelson, Paul E Strand, David E
description	A method and apparatus for holding a part on a fixture in a precisely known predetermined position includes pressing a surface of the part against a vacuum head (25) and sealing an annular elastomeric sealing ring against the part surface. A valve button (108) of a valve is engaged by the part surface to open the valve and establish communication between a vacuum source. The part is pulled by the vacuum against a hard stop (90) in the vacuum head (25) having a fixed precisely known relationship to said vacuum head reference surface. The hard-stop (90) can be mounted in the base of the vacuum head for pivoting about at least one axis to self-align the hard-stop face (94) with the part face.
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A valve button (108) of a valve is engaged by the part surface to open the valve and establish communication between a vacuum source. The part is pulled by the vacuum against a hard stop (90) in the vacuum head (25) having a fixed precisely known relationship to said vacuum head reference surface. 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subjects	BORING HAND TOOLS MACHINE TOOLS MANIPULATORS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PORTABLE POWER-DRIVEN TOOLS TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING TURNING
title	Vacuum cup with precision hard stop
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