Patent · US Active

Ratchet system for screwdrivers and its use

US11857238B2 · kind B2 · utility

0Cited by
42References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2020
Grant dateJan 2, 2024
Priority date
Expiry dateJan 18, 2041

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61B2090/0813
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A click system. Also, a screwdriver that includes a ratchet system. The ratchet system includes at least one handle, at least one rod with a male distal end and a proximal end, an element of cooperation that includes at least two lugs and at least two grooves, each of the at least two grooves include a helical portion. The at least two lugs each cooperate in a predetermined rotation direction with one of the at least two grooves so as to allow the driving of the rod. The ratchet system may be used in mechanics, carpentry or surgery.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.