Bernina Presser Foot Old Style / Bernina Presser Foot New Style / Bernina Feet

Bernina's sewing machines have a unique shape of the presser foot, it is patented and only Bernina can have it. Bernina started producing sewing machines with a patented foot a long time ago. 
The feature of the Bernina foot is the ease of installation and removal, in addition, the solution is of such high quality that the foot is very tight in a second. apart from the fact that Bernina has a large "palette" of presser foots, the basic division is into "old and new style", the basic difference is the shape of the part that is placed on the foot bracket (fot bar), the attached picture shows this difference.