Patent attributes
A rowing machine exercise device includes a vertically adjustable rear support base. The vertically adjustable rear support base includes an outer vertical support beam extending down from the rowing machine frame; an inner vertical support beam received in a telescoping manner within the outer support beam through the bottom of the outer support beam; a latch pin assembly mounted to the outer vertical support beam, where the latch pin assembly includes a latch pin biased to extend through the latch pin hole and any of the adjustment holes that are vertically aligned with the latch pin hole, and where the latch pin assembly includes an actuating tab that overcomes the bias to pull the latch pin from the vertically aligned adjustment hole when actuated; and a lift handle mounted to or part of the outer vertical support beam and/or the rowing machine frame.