Ribbon-feed devices or mechanisms

Introduced: September 1968

Full Title

Apparatus or arrangements for feeding ink ribbons or like character-size impression-transfer material > Ribbon-feed devices or mechanisms

IPC and CPC are identically structured here. All 11 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

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B41J 33/16 with drive applied to spool or spool spindle IPC+CPC Available in IPC and CPC
B41J 33/24 with drive applied directly to ribbon IPC+CPC Available in IPC and CPC
B41J 33/30 Escapement mechanisms IPC+CPC Available in IPC and CPC
B41J 33/32 Electromagnetic devices IPC+CPC Available in IPC and CPC
B41J 33/34 driven by motors independently of the machine as a whole IPC+CPC Available in IPC and CPC
B41J 33/36 with means for adjusting feeding rate IPC+CPC Available in IPC and CPC
B41J 33/38 Slow, e.g. "creep", feed mechanisms IPC+CPC Available in IPC and CPC
B41J 33/40 with arrangements for reversing the feed direction IPC+CPC Available in IPC and CPC
B41J 33/52 Braking devices therefor IPC+CPC Available in IPC and CPC
B41J 33/54 for ensuring maximum life of the ribbon (B41J33/38 takes precedence) IPC+CPC Available in IPC and CPC
B41J 33/60 responsive to telegraph code or other extraneous signals IPC+CPC Available in IPC and CPC

Class B41,2013–2023, worldwide · Source: EPO PATSTAT

Class B41,2013–2023, worldwide · Source: EPO PATSTAT