Working device

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United States of America Patent

PATENT NO 9163385
APP PUB NO 20120291624A1
SERIAL NO

13298696

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a working device having an element movable via at least one working cylinder, with at least one energy recovery cylinder being provided for recovering energy from the movement of the movable element and having a chamber filled with gas. In this respect, the chamber filled with gas is in operative communication with a pressure store which counters a pressure increase in the chamber filled with gas at least from a maximum pressure onward.

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First Claim

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Patent Owner(s)

  • LIEBHERR-HYDRAULIKBAGGER GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Egenrieder, Philipp Ulm, DE 4 4
Lavergne, Hans-Peter Trunkelsberg, DE 11 37

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