Patent · US Expired

Headrest for dental chair

US4113309A · kind A · utility

5Cited by
4References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 16, 1977
Grant dateSep 12, 1978
Priority date
Expiry dateDec 16, 1997

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61G15/125
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Disclosed is an articulated headrest for use with dental chairs and the like which can be quickly and easily converted from left hand to right hand operation. A simple clutch mechanism locks the headrest at any adjusted position. The mechanism for unlocking the clutch is a push button located at the side of the headrest. This mechanism is contained in a housing which can be easily removed and its components rearranged to move the push button from one side of the headrest to the other.

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