Skip to content

The Talking Machine Patent Archive

Patents you could hear

Browse Dates Inventors Types About

Winding-up ratchet pawl

Technical patent drawing showing a mechanical music player's feed wheels, perforated music sheet with driving holes, fly-wheel governor mechanism, and a cabinet console housing the instrument.

AUTOMATIC MUSICAL INSTRUMENT.Adolf Richter · May 19, 1896

United States patent drawings and specifications are works of the U.S. government and are in the public domain — they were never copyrighted. Download them, print them, frame them. Our commentary and descriptions are © 2026 The Talking Machine Patent Archive.

About · Terms · Privacy · Corrections welcome — this archive gets better when collectors write in.