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PCE
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DIFF Subgroup
B23Q 5/40

by feed shaft, e.g. lead screw

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Driving or feeding mechanisms; Control arrangements therefor > Feeding members carrying tools or work > Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission > feeding continuously > by feed shaft, e.g. lead screw

CPC:

Driving or feeding mechanisms; Control arrangements therefor (automatic control B23Q15/00; copying B23Q33/00, B23Q35/00; specially adapted for boring or drilling machines B23B39/10, B23B47/00 ) > Feeding members carrying tools or work > Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission > feeding continuously > by feed shaft, e.g. lead screw

CPC subdivides this area 3x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

Child Classifications

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