Patent · US Active

Multi-speed automatic transmission for a power tool

US12251812B2 · kind B2 · utility

0Cited by
4References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 16, 2023
Grant dateMar 18, 2025
Priority date
Expiry dateJun 16, 2043

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16H2200/0034
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Multi-speed automatic transmissions for power tools are provided. A multi-speed automatic transmission includes an output shaft configured to be coupled to a chain sprocket to rotatably drive the chain sprocket, wherein the automatic transmission is configured to automatically shift between a plurality of gear ratios in response to a rotational speed of the output shaft reaching a preset rotational speed.

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