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:
May. 26, 1987
Filed:
Aug. 21, 1985
Applicant:
Inventor:
Erik V Lavon, Saltsj/o/ -Boo, SE;
Assignee:
Atlas Copco Aktiebolag, Nacka, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ; F01B / ;
U.S. Cl.
CPC ...
173119 ; 173134 ; 92 87 ;
Abstract
In an impactor, e.g. a jack hammer, a liquid column is accelerated through an empty barrel 26 and it impacts on a piston surface (34) of the tool (24), e.g. a chisel.
Lavon, Erik. (1987). Method of driving an element and an hydraulic impactor (U.S. Patent No. 4667748). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4667748
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile