Back to results
US 2019/0357664 A1Published application
A handheld device drive system
AssigneeGlaxoSmithKline Consumer Healthcare (UK) IP Limited
InventorsDavid DIAMOND, Jean DIAMOND
Life of this patent
Estimating the term…
Abstract
This invention relates to a drive system which automatically disengages when a loading above a certain threshold limit is applied to the driven component, thus preventing damage to the drive system and foremost to the gearing between the drive system and the driven component when such a load is applied.
Claims17
A handheld device drive system comprising a rotatable head;
- a drive shaft;
- and a coupling operable to transmit drive from the drive shaft to the head, the coupling being adapted to automatically disengage the transmission of drive between the shaft and the head when a threshold torque on the head is exceeded.
Dependencies are inferred from the claim text.