Patent · US Expired

Multipurpose rowing apparatus

US4690398A · kind A · utility

15Cited by
5References
5Claims
0Family size

Inventor

Key dates

Filing dateFeb 10, 1986
Grant dateSep 1, 1987
Priority date
Expiry dateFeb 10, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S482/908
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

A rowing machine for exercising in which the ends of a pair of fulcrum bars are attached to the sliding seat and the other ends are equipped with handles. The point of attachment of a resistance means to the fulcrum bars are adjustable. The sliding seat has a back rest. The resistance means is a ram with adjustable check valves.

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