Patent · US Expired

Airfeed peck drill configuration

US5340243A · kind A · utility

2Cited by
67References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 2, 1992
Grant dateAug 23, 1994
Priority date
Expiry dateJul 2, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T408/6757
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An airfeed peck drill includes a substantially cylindrical drill quill contained within a cylinder in a housing. On the rear end of the drill quill is located an offset piston, the offset piston provides force for the entry and exit of the drill quill into or from a workpiece. On the front end of the drill quill is a reaction bracket which is attached to a motion transfer arm. On the rear end of the motion transfer arm is an engagement arm which is constructed and arranged to engage a piston rod which extends from a damping cylinder.

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