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:
Dec. 24, 2013
Filed:
Apr. 20, 2009
Ingemar Johansson, Haninge, SE;
Lars Saxbäck, Nacka, SE;
Thomas Lilja, Läckeby, SE;
Ola Davidsson, Kalmar, SE;
Ingemar Johansson, Haninge, SE;
Lars Saxbäck, Nacka, SE;
Thomas Lilja, Läckeby, SE;
Ola Davidsson, Kalmar, SE;
Atlas Copco Construction Tools AB, Stockholm, SE;
Abstract
A fluid powered percussion toolhas a housingwith a supply channel for pressurized fluid, a percussion mechanism, a swing jointarranged to carry the percussion mechanismrelative to the housingat a point situated between the forward end A and the rear end B of the percussion mechanism, at least one elastically resilient elementarranged between the housingand the percussion mechanismat a distance from the swinging jointand arranged to load the percussion mechanismagainst a neutral position in the housingand to absorb the vibrational movements of the percussion mechanism, and a flexible connection for pressurized fluidfor distribution of pressurized fluid from the supply channel for pressurized fluidto the percussion mechanism. The elastically resilient elementincludes a conical spring. The flexible connection for pressurized fluidincludes a hose