DISRAELI DOCUMENTS
US Patent # 2,010,248
Inventor: Franz Winkler (Fichtel & Sachs)
US application filed: January 1935
German application filed: January 1934
Relates to: Fichtel & Sachs 9/a
Note the ‘chain catcher’ above the chain stay - to catch the chain when back-pedaling to operate the coaster brake.
