Dosing Device Strip Tape 180 Deflection
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Solution Overview
Problem
Existing dosing devices for inhaling powdery substances struggle to provide an easily readable display of the powder removal quantity due to low bottom movement, making it difficult for users to detect changes in the filling level after each inhalation operation.
Innovation Solution
A strip tape is carried along by the bottom and deflected by 180°, providing a mechanical advantage that doubles the displacement travel, allowing for a more noticeable display through a transparent device wall, with optional refinements such as beveled edges and color variations for increased sensitivity and clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a direct display of bottom movement is used, then the device structure is simple, but the display is difficult to read due to low displacement travel
Solution Approach 1:
The strip tape is deflected by 180° to change the direction of movement from vertical (bottom displacement) to horizontal (display visible area). This dimensional transformation allows the small vertical movement of the bottom to be converted into a larger horizontal displacement that is easily visible through the transparent device wall, resolving the contradiction between simple structure and readable display.
Solution Approach 2:
The strip tape acts as an intermediary element between the bottom movement and the visible display. It translates the small bottom displacement into a magnified display movement through its 180° deflection arrangement, making the filling level changes detectable to the user without adding complex electronic or optical systems.
2Measurement precision
If the bottom movement is used directly for display, then the mechanism is simple, but the displacement travel is too small to be detected
Solution Approach 1:
By deflecting the strip tape by 180°, the vertical movement dimension of the bottom is transformed into a horizontal display dimension. This creates a mechanical advantage that amplifies the visible displacement travel, making even small bottom movements detectable as larger horizontal movements on the display scale.
Solution Approach 2:
The strip tape creates a visual copy or representation of the bottom position through its deflection. The marked area on the strip tape provides a scaled-up visual representation of the filling level, allowing users to detect small changes in powder quantity through amplified visual movement rather than direct observation of the small bottom displacement.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution enhances the readability of the display, allowing users to easily track the number of inhalation operations performed or remaining, with improved sensitivity and unambiguous representation of the filling level.
Implementation Method 1
By means of the arrangement of the strip tape carried along by the bottom and deflected by 180°, a mechanical advantage is achieved, so that, in the area of the display, with a simple 180° deflection, a doubling of the strip tape displacement travel with respect to the bottom displacement travel is carried out.
Data Source
AI summary
The invention relates to a dosing device for inhaling a powdery substance, particularly of a medical nature, which is arranged in a storage chamber above a trailing bottom and can be brought from said storage chamber into an evacuation readiness position, and having a display (A) associated with the actual filling level in the area of the device wall. In order to further develop a dosing device of the type in question particularly with regard to an improved display in an advantageous manner, it is proposed that the display (A) be composed of a strip tape carried along by the bottom and deflected by 180°, wherein the deflection area of the strip tape lies behind the transparent device wall.