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Class 173/77 - Cleansing fluid controlled by control for drive or advance causing or controlling means


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus in which the fluid material for cleansing is controlled
No. of patents: 5
Last issue date: 04/13/2010


NumberTitleIssue Date
7694748Rock breaking machine and lubricating method
A rock breaking machine and to a method of lubricating a tool of a rock breaking machine. The lubricating system comprises at least one lubricant channel (23) into which lubricant is fed by a lubricating device (24). Lubricant is supplied to the bearin...
04/13/2010
7328753Hydraulic breaking hammer with lubricated implement guide sleeve
A hydraulic breaker hammer includes a housing with a longitudinal bore, a cylinder sleeve, and a rear end cover engaging the cylinder sleeve. A hammer piston is reciprocally powered in the cylinder sleeve for delivering blows to a working implement inserted in a gui...
02/12/2008
7109613Power hand tool
A power hand tool includes a body and an electric motor in the body and having a shaft for driving a connector for connecting and driving a cleaning/polishing implement. An enclosure encloses the motor for protection against intrusion of a liquid, and includes a the...
09/19/2006
5107933Hydraulic drilling outfit
A hydraulic drilling outfit has a hydraulically driven hammer drill which is fastened pivotally to a hydraulic thrust unit. A control for the hydraulics utilizes the flushing water for the drill bit as the power-source for all of the motions executed by t...
04/28/1992
4512417Hydraulic reciprocating device
This invention pertains to a hydraulic reciprocating device having a housing and a piston in the housing. The piston has a first and second surface, and a means for intermittently communicating the first surface of the piston with a hydraulic pressure sou...
04/23/1985
 
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