IPC 2013 : D07B 7/04 : Devices for imparting reverse rotation to bobbin- or reel cages.

IPC2013 > D > D07 > D07B > D07B 7/00 > D07B 7/04[2] > Devices for imparting reverse rotation to bobbin- or reel cages.
Notes[g] D07B 3/00 - D07B 9/00: Manufacture of ropes or cables
D SECTION D — TEXTILES; PAPER.
D07 ROPES; CABLES OTHER THAN ELECTRIC.
D07B ROPES OR CABLES IN GENERAL (joining ropes or cables to one another or to other objects B65H 69/00, F16G 11/00; mechanical finishing or dressing of ropes D02J; decorative ropes or cords D04D; suspension cables for bridges E01D 19/16; specially adapted for driving, or for being driven by, pulleys or other gearing elements F16G 9/00; electric cables or joints insofar as electrical aspects are essential H01B, H01R).
D07B 7/00 Details of, or auxiliary devices incorporated in, rope- or cable-making machines; Auxiliary apparatus associated with such machines.
D07B 7/04 · · Devices for imparting reverse rotation to bobbin- or reel cages.