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:
Feb. 15, 2022
Filed:
Jun. 10, 2019
Applicant:
William P. Sulosky, Davidsville, PA (US);
Inventor:
William P. Sulosky, Davidsville, PA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E02F 9/28 (2006.01); E21C 35/197 (2006.01); E21C 35/18 (2006.01);
U.S. Cl.
CPC ...
E02F 9/2816 (2013.01); E21C 35/188 (2020.05); E21C 35/197 (2013.01); E02F 9/2858 (2013.01);
Abstract
A holder block assembly for a drum-type cutting tool has a holder block and a sleeve that is removably held in the holder block to carry a cutter bit. The sleeve includes a shank received in a hole in a cutter block and a nut threaded on the shank. The nut is turned by a hand tool to extract the sleeve from the holder block.