Variable pulsating, gap control, auto-learning press cushion device

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United States of America Patent

PATENT NO 11701700
SERIAL NO

17410120

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A controllable force cushion device that can be programmed to provide a variable and/or pulsating force that can be used in any application where force control is desirable. The frequency of the pulsation can be adjusted to suit different applications and/or circumstances (e.g., forming of sheet metals in die applications, etc.). The cushion can comprise one or more manifolds containing hydraulic cylinders that can be compressed during operation pushing fluid through a proportional relief valve that can be controlled by a motion control device, thereby creating a desired force. Material (e.g., sheet metal, etc.) flow can be controlled by using a gap control method. In use, the variable pulsating, gap control, auto-learning press cushion device of the present invention can optionally be mounted to the underside of a press bolster and can be used in conjunction with a stamping press.

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Patent Owner(s)

  • BARNES GROUP INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Culbertson, Michael Cuyahoga Falls, US 2 2
McLaughlin, Ethan Bristol, US 2 2
Miller, Richard Akron, US 93 1381
Reilly, Steven Westlake, US 4 3
Sasak, Russ Bristol, US 2 2

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