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. 29, 2020
Filed:
Jun. 26, 2014
Mincon International Limited, Shannon, IE;
Joseph Purcell, Ennis, IE;
John Kosovich, Ennis, IE;
MINCON INTERNATIONAL LIMITED, Shannon, IE;
Abstract
The present invention relates to a hydraulically powered percussion mechanism (), comprising a piston () to impact a percussion bit (). The percussion mechanism also includes a first accumulator assembly () for hydraulic fluid. The first accumulator assembly comprises a plurality of first accumulator elements (). In a first aspect, the plurality of first accumulator elements are arranged in a common housing (). In a second aspect, each of the first accumulator elements is arranged at the same proximity to the piston. In a third aspect, each of the first accumulator elements comprises an accumulator membrane () or piston, and wherein the primary direction of movement of the membrane or piston in contact with the hydraulic fluid is substantially parallel to a longitudinal axis of the mechanism.