US Patent 9480874 Locking mechanism for a vertically storable exercise machine

An exercise machine includes a frame, at least one arm rest connected to a first portion of the frame, and an exercise platform connected to a second portion of the frame. The at least one arm rest pivotally connected to the first portion to be oriented between an arm rest storage position and an arm rest operating position. The exercise platform is pivotally connected to the second portion to allow the platform to be oriented between a platform storage position and a platform operating position. A locking mechanism to connect the exercise platform to the frame in the platform storage position.