Patent · US Expired

Dead man safety assembly

US4135068A · kind A · utility

25Cited by
6References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 13, 1976
Grant dateJan 16, 1979
Priority date
Expiry dateSep 13, 1996

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2300/026
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A new and improved dead man safety assembly having an activator lever mounted for movement from an operable position to an inactive position and a safety trigger mechanism coacting with the activator lever for preventing unintentional movement of the activator lever to the operable position. The control mechanism activated by the activator lever may be fluidic or electrical. The instant special application of the dead man safety assembly is related to control of hand-held abrasive hose and nozzle structures.

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