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. 29, 2025
Filed:
Nov. 16, 2022
Sandvik Mining and Construction Tools Ab, Sandviken, SE;
John Hammargren, Sandviken, SE;
Sandvik Mining and Construction Tools AB, Sandviken, SE;
Abstract
A female portion arranged to form part of a thread joint for a percussive drilling tool includes a mounting sleeve, wherein the mounting sleeve has at least one substantially cylindrical internally threaded section having a length, L, a thread entrance located towards an axial end and a thread exit located towards the axial inner wall. The threaded section has a thread form including crests, roots, contact flanks, and non-contact flanks, a pitch length, L, located between two axially neighboring crests and an inner diameter, Ddisposed radially between the roots. A thread clearance section is positioned between the axial inner wall and the thread exit and has a length Land a diameter D. A guiding section is positioned between the thread entrance and the axial end of the sleeve and has a length, L. The pitch length, L, is between 12.8-14.5 mm.