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:
Jan. 23, 2018
Filed:
Jan. 16, 2015
Applicant:
Diamond Products, Limited, Elyria, OH (US);
Inventor:
Thomas G. Ruffner, Oberlin, OH (US);
Assignee:
Diamond Products, Limited, Elyria, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28D 1/04 (2006.01); E01C 23/09 (2006.01); B23D 47/12 (2006.01); B27B 5/10 (2006.01);
U.S. Cl.
CPC ...
B28D 1/045 (2013.01); B23D 47/12 (2013.01); B27B 5/10 (2013.01); E01C 23/0933 (2013.01);
Abstract
A self-propelled electric concrete saw having at least two electric motors. A first electric motor of the concrete saw is powered by an external power supply and can power both a saw blade and a drive system. A second electric motor of the concrete saw is powered by a rechargeable battery and can power the drive system. The concrete saw can be maneuvered by using the second electric motor with or without the concrete saw being connected to the external power supply.