Patent · US Expired

Safety knob

US5771878A · kind A · utility

31Cited by
11References
12Claims
0Family size

Inventors

Key dates

Filing dateOct 21, 1996
Grant dateJun 30, 1998
Priority date
Expiry dateOct 21, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/7256
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A knob for a stove or range that has a releasable lock assembly which prevents a switch or valve of the range from being turned ON. The lock assembly has a pin movable between a lock position and a release position with a linear to rotational movement mechanism mounted in a housing joined to the body of the knob.

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