Help needed building a berry de-stemming tool.

[Jon]

Interesting project. Here's the oscillating basket photo from the album, posted inline here so that people can easily take a look:

Oscillating basket:

Fullsize image: https://diqn32j8nouaz.cloudfront.net...t_fullsize.jpg


Here's a link to a commercial version: | Terry's Elderberry Destemmer designd for the small farmer

And here's a relevant US patent, for a blueberry destemmer: https://patents.google.com/patent/US5203259A/en