Hydraulic driven turning device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8783162
APP PUB NO 20110030550A1
SERIAL NO

12735694

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Abstract

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A hydraulic driven turning device to be installed to a construction machine has a first body and a second body turning in relation to the first body, and a hydraulic cylinder attached from the first and second bodies to another body. A piston is axially movable via a hydraulic pressure medium, and a spiral part is attached to the piston. The spiral part causes a rotational movement to a counter part equipped with a spiral, whereupon the rotational movement can be transferred to be a turning movement of another body. The piston is arranged to be non-rotating in the cylinder by forming the cross section of the piston and the cylinder to be deviant from a round form, such as having an oval or angular shape, or by adjusting the piston to be eccentric in relation to a bearing axis thereof.

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Patent Owner(s)

  • KINSHOFER GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Raunisto, Yrjo Hameenlinna, FI 11 66

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