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:
Jul. 14, 2020
Filed:
Nov. 09, 2017
Tti (Macao Commercial Offshore) Limited, Macau, MO;
Edward Pomeroy, Piedmont, SC (US);
Zachary Scott, Easley, SC (US);
John Schnell, Anderson, SC (US);
Essam Namouz, Greenville, SC (US);
TTI (MACAO COMMERCIAL OFFSHORE) LIMITED, Macau, MO;
Abstract
A fastener driver comprises a driver blade movable from a retracted position to an extended, driven position for driving a fastener into a workpiece, a gas spring mechanism for driving the driver blade from the retracted position to the driven position, the gas spring mechanism including a storage chamber cylinder containing a pressurized gas, means for determining a pressure in the storage cylinder chamber, and an indicator activated in response to the determined pressure in the storage cylinder chamber being less than a predetermined pressure value.