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:
Nov. 14, 2023
Filed:
Nov. 15, 2019
Applicant:
Intuitive Surgical Operations, Inc., Sunnyvale, CA (US);
Inventor:
Grant M. Kadokura, Redwood City, CA (US);
Assignee:
Intuitive Surgical Operations, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L 1/22 (2006.01);
U.S. Cl.
CPC ...
G01L 1/2237 (2013.01);
Abstract
A force sensor includes an annular diaphragm that includes an inner perimeter and an outer perimeter; the diaphragm has an outer annular portion having a tapered thickness that increases with decreasing radial distance from the outer perimeter; the diaphragm has an inner annular portion having a tapered thickness that increases with decreasing radial distance from the inner perimeter; a first strain gauge at the outer annular portion; and a second strain gauge at the inner annular portion.