Invention Grant
- Patent Title: Torque limiter
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Application No.: US17149195Application Date: 2021-01-14
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Publication No.: US11597063B2Publication Date: 2023-03-07
- Inventor: Peter Witte
- Applicant: Peter Witte
- Applicant Address: DE Kiel
- Assignee: Peter Witte
- Current Assignee: Peter Witte
- Current Assignee Address: DE Kiel
- Agency: Rankin, Hill & Clark LLP
- Priority: DE202016104553.3 20160819
- Main IPC: B25B23/142
- IPC: B25B23/142 ; A61B17/88 ; F16D43/208 ; A61B90/00

Abstract:
A torque limiter for a surgical screwdriver that includes an outer sleeve (1); a snap sleeve (3), which is arranged in and rotates with the outer sleeve; a rolling element cage (6), which is arranged in the snap sleeve; an inner sleeve (10), which is arranged in the rolling element cage; and a force-transmitting shaft (11), which is received in and rotates with the inner sleeve. The inner wall of the outer sleeve is provided with recesses (8) 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 (5), each of which holds a rolling element (4), and with a number of noses (7), which engage into the recesses. The inner sleeve is provided with a plurality of notches (9), which extend in a V-shape parallel to the axis and which receive the rolling elements.
Public/Granted literature
- US20210146514A1 TORQUE LIMITER Public/Granted day:2021-05-20
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