Patent ID: 9623279
Date: 2017-04-18
CPC Classifications: A63B

Claim:
1. An unstable rowing simulator, comprising: a stable base; a lever type rowing machine comprising a frame with a central longitudinal beam and a crossbar, the frame resting on the stable base; adjustable elastic supports supporting the lever type rowing machine on the stable base; levers imitating oar handles attached to the lever type rowing machine at knuckles, the levers being equipped with spikes that extend the levers, the spikes being attached to the knuckles behind the knuckles; and viscous friction damping elements connected at one end to the stable base and at another end to an end of one of the respective spikes of the levers imitating oar handles, wherein, the adjustable elastic supports comprise i) one set of adjustable elastic supports for stabilizing roll and ii) one set of adjustable elastic supports for stabilizing pitch and vertical motion, and ends of the central longitudinal beam of the frame are mounted in spherical hinges at vertically movable upper parts of the adjustable elastic supports for stabilizing pitch and vertical motion, the vertically movable upper parts of the adjustable elastic supports being adjustable for stiffness.