Indicator device responsive to axial force

Details Indicator device responsive to axial force Indicator device responsive to axial force

1997-01-06

1998-09-01

Weiss, John G.

Surgery

Liquid medicament atomizer or sprayer

Pre-pressurized container holding medicament

12820523, 12820418, 12820014, 12820024, A61M 1500

Patent

active

057996512

ABSTRACT:
A device to indicate the application of a non-rotative force, having particular utility in recording the dispensing of a push-down activated aerosol medication dispenser. A non-rotative force on an outer cover is translated into a rotation of an indicator wheel relative to the outer cover by a set of flexible pawls engaged with a set of teeth. The pawls depress and thereby extend circumferentially when the applied force flexes them to effect a rotation of the teeth. Suitable means indicate the relative rotation of the teeth such as a window in the outer cover through which is visible indicia on the indicator wheel. The device may also include means to resist its operation by a child.

REFERENCES:
patent: 3994421 (1976-11-01), Hansen
patent: 4668218 (1987-05-01), Virtanen
patent: 4817822 (1989-04-01), Rand et al.
patent: 5299701 (1994-04-01), Barker et al.
patent: 5388572 (1995-02-01), Mulhauser et al.
patent: 5482030 (1996-01-01), Klein
patent: 5507277 (1996-04-01), Rubsamen et al.
patent: 5582162 (1996-12-01), Petersson

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