Patent · US Expired

Powder actuated tool safety guard retention

US4446999A · kind A · utility

1Cited by
1References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 18, 1981
Grant dateMay 8, 1984
Priority date
Expiry dateNov 18, 2001

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB25C1/188
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A tool for driving nails into hard surfaces wherein the driving power is provided by cartridges of explosive powder. A safety guard on the front end of the tool is retained on the barrel of the tool by a threaded nut. A retention member is provided for preventing the nut from loosening during operation of the tool, yet which allows the nut to be removed when desired for disassembly of the tool.

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