What is a Zimmer frame?
It is a lightweight aluminium frame that has four legs attached to four rubber ferrules. Zimmer was the manufacturer’s name, and later became the common name for this type of frame.
Can a Zimmer frame be used outdoors?
The answer is yes and no. It is designed to be used indoors and is unsafe to use outdoors. However, it can be used on a flush surface outdoors, but definitely not on an uneven surface.