Patent · US Active

Hand-held power tool with a pneumatic percussion mechanism

US7926586B2 · kind B2 · utility

0Cited by

7References

10Claims

0Family size

Assignee

Hilti Aktiengesellschaft · LI

Inventors

James Zhong · Shanghai, CN
Kevin Guo · Seattle, US
Rory Britz · Buchloe, DE

Key dates

Filing date	Nov 19, 2008
Grant date	Apr 19, 2011
Priority date	—
Expiry date	Jul 29, 2029

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/391
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A hand-held power tool includes a pneumatic percussion mechanism having a percussion piston reciprocating along a percussion axis and having a bore extending at an angle to the percussion axis, and an air spring for displacing the percussion piston.

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