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:
Mar. 07, 2023
Filed:
Jan. 14, 2021
Peter Witte, Kiel, DE;
Peter Witte, Kiel, DE;
Other;
Abstract
A torque limiter for a surgical screwdriver that includes an outer sleeve (); a snap sleeve (), which is arranged in and rotates with the outer sleeve; a rolling element cage (), which is arranged in the snap sleeve; an inner sleeve (), which is arranged in the rolling element cage; and a force-transmitting shaft (), which is received in and rotates with the inner sleeve. The inner wall of the outer sleeve is provided with recesses () that extend parallel to a rotational axis of the force-transmitting shaft. The rolling element cage is provided with a plurality of rolling element receiving areas (), each of which holds a rolling element (), and with a number of noses (), which engage into the recesses. The inner sleeve is provided with a plurality of notches (), which extend in a V-shape parallel to the axis and which receive the rolling elements.