Impact power tool
US11858100B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2022 |
| Grant date | Jan 2, 2024 |
| Priority date | — |
| Expiry date | Apr 7, 2042 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB25D2250/375
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An impact power tool including a housing, a motor supported by the housing, a spindle coupled to the motor for receiving torque from the motor to cause the spindle to rotate, and a reciprocating impact mechanism operable to create a variable pressure air spring within the spindle. The impact mechanism includes a striker received within the spindle that reciprocates along a reciprocation axis in response to the variable pressure air spring, a piston that reciprocates along the reciprocation axis to induce the variable pressure air spring, and a crankshaft configured to convert continuous rotational motion from the motor to reciprocating linear movement of the piston. The crankshaft defines a crank axis perpendicular to the reciprocation axis, and the motor defines a motor axis that is parallel with the reciprocation axis. A center of gravity of the impact power tool is positioned between the motor axis and the reciprocation axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.