US Patent 10179401 Pivotal arm support device

The present disclosure relates to an arm support device including a coupler adapted to be coupled to a handle, an arm support positioned above the coupler, and a pivot pin that connects the arm support to the coupler. In certain examples, the coupler has different types of size adjustment mechanisms. For example, the coupler can include a first size adjustment mechanism for providing larger adjustments in size, and a second adjustment mechanism for providing smaller adjustments in size.