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. 15, 2025
Filed:
Nov. 29, 2019
Hilti Aktiengesellschaft, Schaan, LI;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
An apparatus driving fastening elements has an energy store, a transmission element movable along a setting axis in a driving direction between a starting position and a setting position for transmitting energy from the energy store to the fastening elements, the transmission element having a rear end in the driving direction, the energy store having a container and a piston, the container defining a cylinder axis and the piston being movable along the cylinder axis in the container, the piston closing off a partial volume of the container, and gas in the closed-off partial volume forming a gas spring, the apparatus having a force transmission device transmitting a spring force of the gas spring to the rear end of the transmission element, the rear end of the transmission element being arranged behind the piston in the driving direction when the transmission element is in the starting position.