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:
Mar. 20, 2024
Dell Products Lp, Round Rock, TX (US);
DELL PRODUCTS LP, Round Rock, TX (US);
Abstract
An adjustable clamping earcup assembly may comprise an outer ear cup cover attached to a cushion to enclose a base plate that is operably coupled to a porous piston and piston rod disposed within a magnetorheological (MR) fluid barrel containing MR fluid, an outermost magnet pair and an innermost magnet pair in the outer ear cup cover, where each magnet pair generates magnet flux to cause MR fluid disposed between the magnets hold the porous piston with respect to the MR fluid barrel and the piston rod at a level of extension, the MR fluid barrel operatively coupled to a clamping headband and moveable under an external force between a low-clamp force position between the innermost magnet pair and a high-clamp position between the outermost magnet pair.