The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2005
Filed:
Dec. 23, 2002
Applicants:
Jouko Ilmarinen, Rannila, FI;
Ossi Kahra, Nastola, FI;
Mika Oksman, Hollola, FI;
Timo Sippus, Hollola, FI;
Inventors:
Jouko Ilmarinen, Rannila, FI;
Ossi Kahra, Nastola, FI;
Mika Oksman, Hollola, FI;
Timo Sippus, Hollola, FI;
Assignee:
Sandvik Tamrock Oy, Tampere, FI;
Primary Examiner:
Int. Cl.
CPC ...
F16H011/10 ;
U.S. Cl.
CPC ...
Abstract
An arrangement for lubricating the bearing surfaces between a tool of a hydraulic impact device and the impact device, the arrangement comprising a supply pump and a channel for supplying lubricant. The arrangement comprises at least two separate channels (), and both channels comprise a separate dosing pump () which supply predetermined amounts of lubricant between the bearing surfaces when the impact device starts.