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US 7,832,351 B2Granted
Actuation indicator for a dispensing device
AssigneeGlaxo Group Limited
InventorsStanley George Bonney, Peter John Brand, James William Godfrey, Paul Kenneth Rand
Life of this patent
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Abstract
An actuation indicator which includes a drums sub-assembly including a rotatable actuation indicator wheel, a rocking ratchet pawl for rotating the indicator wheel in a set direction and a rocking mechanism for the pawl driven by a slipping clutch arrangement, wherein the slipping clutch arrangement includes a slipping clutch spring engaged at one end to a pinion of a rack and pinion assembly and at a second end to the ratchet pawl is described.
Claims15
An assembly for an actuation indicator comprising:
- (a) an indicator wheel for indicating actuation of a device with which the indicator is to be associated,
- (b) a rotatable element of the actuation indicator with which the indicator wheel is engaged, and
- (c) an axle spring comprising:
- (i) a first axle on which the indicator wheel is rotatably mounted,
- (ii) a second axle which extends parallel to the first axle and on which the rotatable element is rotatably mounted, and
- (iii) a biasing section connecting the first and second axles to bias them together to bias the indicator member towards the rotatable element.
3 more elements
Dependencies are inferred from the claim text.