Patent · US Expired

Exercise rowing machine frame structure

US4736944A · kind A · utility

22Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 1986
Grant dateApr 12, 1988
Priority date
Expiry dateOct 9, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA63B2022/0084
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

An exercise rowing machine has a frame structure with a center track rail, front and rear cross-members supporting the track rail, and a U-frame connected to the track rail and the front cross-member. The front cross-member is a one-piece molded part providing a seat for the track rail, saddles for a pivot shaft for foot plates, clevises for pivotal connection to hydraulic cylinder units which are pivotally connected to rowing arms in turn pivotally connected to the U-frame, sockets for receiving the U-frame, and supports for front transport wheels.

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