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:
Aug. 25, 2026
Filed:
Oct. 15, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Hiroshi Shigeta, Hitachinaka, JP;
HITACHI ASTEMO, LTD., Ibaraki, JP;
Abstract
A disc brake includes a planetary gear speed reduction mechanism. A first sun gear of the planetary gear speed reduction mechanism in the disc brake includes a cylindrical supporting portion configured to rotatably support a second sun gear, an annular wall portion facing another gear at a distance away in an axial direction of the other gear, and a reaction force receiving portion disposed to overlap with the other gear as viewed from a radial direction of the other gear and configured to receive a reaction force produced by rotation of the second sun gear.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile