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:
May. 14, 2019
Filed:
Jun. 16, 2017
Thales, Courbevoie, FR;
THALES, Courbevoie, FR;
Abstract
A device for adjusting the braking force of a rolling ball or 'trackball' comprises: a rotating ring in the form of a straight circular hollow cylinder, the ring comprising a flexible annular seal, the outer periphery of the cylinder comprising: an inclined oblong; a plurality of identical notches; a fixed support comprising: a circular void; a fixed pin and an indexing finger arranged so that, the ring being mounted in the void of the support, the fixed pin is housed in the oblong of the ring and the indexing finger in one of the notches of the ring, the rotation of the ring causing the displacement of the pin in the oblong, the indexed notch to change and a translational motion of the ring parallel to the axis of revolution of the cylinder.