Cylinder with check valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10920802
APP PUB NO 20190219075A1
SERIAL NO

16242454

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A harvester head having at least one hydraulic actuator with a cylinder and a piston. The hydraulic actuator having at least a cylinder chamber and a piston rod chamber, both chambers being connected to a hydraulic circuit. The piston separating the cylinder chamber and the piston rod chamber, a cavity provided in the piston, hydraulically connecting the cylinder chamber with the piston rod chamber and a check valve in connection with the cavity that allows hydraulic medium flow in an opening direction of the check valve.

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Patent Owner(s)

Patent OwnerAddress
DEERE & COMPANYONE JOHN DEERE PLACE MOLINE IL 61265

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Alfthan, Arto Tarttila, FI 7 46
Jääskeläinen, Esa Joensuu, FI 2 0
Jormanainen, Samuli Joensuu, FI 1 0
Neuvonen, Timo Punkaharju, FI 1 0
Turunen, Joni Joensuu, FI 1 0

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