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. 14, 2026
Filed:
Sep. 05, 2023
Oilquick Ab, Hudiksvall, SE;
Erik Nylander, Hudiksvall, SE;
OILQUICK AB, Hudiksvall, SE;
Abstract
A safety system for a machine includes a pressurizing device; at least one hydraulic cylinder, the at least one hydraulic cylinder including a pressure chamber and a piston having a head and a rod, the piston being movable within the pressure chamber along a longitudinal direction; a first pressure sensor and a second pressure sensor being designed to measure the pressure within the pressure chamber via a first channel having a first opening and a second channel having a second opening, which both extend into the pressure chamber, and are spaced apart as seen in the longitudinal direction; a seal device arranged circumferentially around the head of the piston, and a hydraulic system being fluidically connected to a head side and a rod side of the at least one hydraulic cylinder, the hydraulic system being fluidically connected to a hydraulic fluid reservoir and the pressurizing device.