Hand-Held Power Tool Handle Marking for Safety Loop Attachment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing hand-held power tools lack intuitive and easily recognizable markings for the fastening regions where safety loops are attached, leading to potential misplacement and reduced safety against falling.
Innovation Solution
Incorporation of optical and/or haptic marking elements, such as depressions or grooves, on the fastening regions of the power tool's handle to provide clear visual and tactile cues for correct and safe attachment of safety loops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If no marking element is provided on the fastening region, then the device structure remains simple, but the user cannot intuitively identify the correct attachment position for the safety loop
Solution Approach 1:
The patent applies optical marking elements that change appearance under different lighting conditions or from different angles, enabling users to intuitively identify the fastening region. The marking element incorporates reflective or fluorescent properties that make it visually distinct without adding complex structural features to the housing.
Solution Approach 2:
The marking element is localized specifically to the fastening region rather than being applied throughout the entire housing. This localized approach provides clear identification where needed while maintaining simplicity in the overall device structure and avoiding unnecessary complexity in other areas.
2Reliability
If the fastening region is not clearly marked, then the device structure remains simple, but the safety loop may be incorrectly positioned reducing safety effectiveness
Solution Approach 1:
The marking element is pre-integrated into the housing during manufacturing, providing clear identification of the fastening region before the safety loop is attached. This preliminary marking guides users to the correct position, ensuring proper installation and maximizing safety effectiveness without requiring complex additional components.
Solution Approach 2:
The marking element acts as an intermediary between the fastening region and the user, translating the functional feature (attachment point) into visually perceivable information. This intermediary provides clear guidance for correct safety loop positioning, enhancing reliability without significantly increasing device complexity.
Data Source
AI summary
A hand-held power tool includes a housing in which a drive unit for actuating a tool holder is arranged. The housing forms a handle for holding the hand-held power tool. At least one fastening region is associated with the housing to which a safety loop for securing the hand-held power tool against falling can be fastened. The at least one fastening region has an optical and/or haptic marking element for marking the at least one fastening region.