Patent · US Expired

Working machine safety device

US5240428A · kind A · utility

1Cited by
6References
1Claims
0Family size

Assignees

Inventors

Key dates

Filing dateJun 18, 1992
Grant dateAug 31, 1993
Priority date
Expiry dateJun 18, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S439/952
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A receiving part is provided externally of the body of a power tool, having an internal combustion engine provided with an ignition system. A plug is insertable in the receiving and has a portion of the ignition system incorporated in it. The receiving socket and the removable plug are provided respectively with connecting parts whereby, when fitted together, they will be electrically connected with each other, completing the ignition system.

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