Rotating Hearing Aid Battery Compartment Locking Mechanism
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Solution Overview
Problem
Existing hearing devices with rotatable battery compartments face issues of unintentional switching on or off, leading to battery discharge or fall-out due to lack of reliable locking mechanisms, causing operational unreliability.
Innovation Solution
A hearing apparatus with a rotatable battery compartment featuring a first locking element on the compartment and a corresponding second locking element on the housing, allowing the compartment to be securely held in an intermediate position, preventing unintentional closure or opening, and enabling safe battery removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the battery compartment is made movable and rotatable to enable battery removal and switching function, then the ease of operation is improved, but the reliability deteriorates due to unintentional opening or closing
Solution Approach 1:
The patent changes the positional parameter of the battery compartment by introducing an intermediate position between the open and closed positions. This intermediate position is achieved through a locking mechanism that allows the battery compartment to be held at a specific angle, preventing unintentional switching while maintaining ease of operation for intentional battery removal
Solution Approach 2:
The locking mechanism automatically engages when the battery compartment is rotated to the intermediate position, providing self-locking functionality. This eliminates the need for additional manual locking operations while preventing unintentional opening or closing, thus improving reliability without compromising ease of operation
2Reliability
If the battery compartment is held firmly against the hinge to prevent unintentional movement, then the reliability is improved, but the device complexity increases due to additional locking mechanisms
Solution Approach 1:
The patent merges the switching function and battery removal function into a single rotatable battery compartment mechanism. The intermediate position serves dual purposes: it acts as a locked position for reliable switching and provides a stable state for safe battery removal, thereby reducing the need for separate locking mechanisms and minimizing device complexity
Data Source
AI summary
A hearing apparatus is provided with a housing and/or frame and a battery compartment that is mounted rotatably in or on the housing or frame between an open position and a closed position. The battery compartment, radially relative to the axis of rotation, has a first locking element within the battery charger area. A second locking element that corresponds to the first locking element is arranged on the housing or frame so that the battery compartment engages removably in a specified pivoted position between the open position and the closed position.