Hydraulic hammer

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8424614
APP PUB NO 20080135270A1
SERIAL NO

10592601

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A hydraulic hammer comprising a housing (10) with a longitudinal bore (12), cylinder sleeve (14) supported in the bore (12) a rear and cover (16) closing the bore (12), and a hammer piston (15) reciprocally powered in the cylinder sleeve (14) for delivering blows to a working implement inserted in the guide sleeve (20) mounted at the front end of the bore (12). The hydraulic hammer also comprises a distribution valve (31), for directing pressure fluid to the hammer piston (15), communicating the pressure fluid source and the cylinder sleeve (14). The valve (31) comprises both a clearance seal means (44) and a seat seal (45, 46) for improved tightness.

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Patent Owner(s)

Patent OwnerAddress
CONSTRUCTION TOOLS PC AB391 27 KALMAR

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Henriksson, Stig Roland Nacka, SE 8 65

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