Patent · US Active

Power tool

US11583988B2 · kind B2 · utility

0Cited by
40References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 2020
Grant dateFeb 21, 2023
Priority date
Expiry dateDec 24, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25D2250/331
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A hammer drill comprises a drive mechanism including a spindle, a first ratchet coupled for co-rotation with the spindle, a second ratchet rotationally fixed to the housing, and a hammer lockout mechanism adjustable between a first mode and a second mode. The hammer drill further comprises a clutch adjustable between a first state and a second state. The hammer drill further comprises a collar rotatably coupled to the housing and movable between a first rotational position in which the hammer lockout mechanism is in the first mode and the clutch is in the first state, a second rotational position in which the hammer lockout mechanism is in the second mode and the clutch is in the first state, and a third rotational position in which the hammer lockout mechanism is in the second mode and the clutch is in the second state.

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