Patent · US Expired

Percussion tool

US5996708A · kind A · utility

39Cited by
13References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 6, 1998
Grant dateDec 7, 1999
Priority date
Expiry dateJul 6, 2018

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25D16/003
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A percussion tool, such as a drill or a chisel tool, including a percussion mechanism (7), a tool chuck (1), and a damping member (8) arranged between the tool chuck (1) and the percussion mechanism (7) for damping rebounds of a header (9) axially displaceable in the tool chuck (1), with the damping member (8) having, arranged one after another in the operational direction, a stop disc (86), an elastic ring (83), and a transmission element (81) having a cavity for receiving both the stop disc (86) an the elastic ring (86).

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