CPC Subgroup
G11B 19/26 Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
Full Title
Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function > Driving; Starting; Stopping; Control thereof > Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
3 direct subcodes
Child Classifications
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- G11B 19/265 Friction wheel drive
- G11B 19/27 Belt drive
- G11B 19/275 Gear wheel drive