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:
Apr. 10, 2018
Filed:
Apr. 12, 2012
Fredrik Saf, Vintrosa, SE;
Thomas Östling, Eskilstuna, SE;
Fredrik Saf, Vintrosa, SE;
Thomas Östling, Eskilstuna, SE;
Atlas Copco Rock Drills AB, Orebro, SE;
Abstract
A circular cylindrical striker memberfor a drilling machine adapted to transfer kinetic energy to an impulse receiving member. The striker member has a diameter d, and includes a side surfaceand an impulse surface (). The striker member is adapted to transfer the kinetic energy to the impulse receiving member by a ring shaped active surface of the impulse surface, wherein the ring shaped active surface is concentric with regard to the cross section of the striker member, has a diameter d, where d<d, and has a width wthat during the contact moment with the impulse receiving part is less than 0.2 d