Patent · US Expired

Massaging machine

US3996929A · kind A · utility

41Cited by
4References
12Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 19, 1975
Grant dateDec 14, 1976
Priority date
Expiry dateNov 19, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61H2201/1669
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A massaging machine formed as a mobile vehicle comprising a driving gear wheel for moving the vehicle by meshing with a flexible rack track belt which passes through the vehicle body and is held in tension, an electric motor for driving said gear wheel forward and backward, control levers provided on the front and rear ends of the vehicle body, changeover switches operated by said control levers, and a rotatable eccentric dead weight driven by the rotation of said driving gear wheel, in an arrangement that said vehicle is capable of automatically travelling forward and backward on said rack-track belt while vibrating itself during the travel.

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