Ergonomic Paddle Handle with Branched Channels for Ambidextrous Grip
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Solution Overview
Problem
Ergonomic paddle handles in prior art fail to adequately address anatomical laterality and efficient grip changes during high-speed paddling or tool use, leading to inefficiency, fatigue, and increased risk of injury due to inadequate alignment and support of the user's body and extremities, as well as difficulties in quick and precise hand position transitions.
Innovation Solution
A paddle handle with an arcuate shape and multiple surface channels, including branched channels and a recessed design, providing a convex palm side and concave fingertip side, allowing for comfortable and secure grip with independent finger positioning, enabling ambidextrous use without mechanical adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a tight grip is used to prevent dislodgement by hydrodynamic and aerodynamic forces, then secure contact is maintained, but comfort and ease of operation deteriorate
Solution Approach 1:
The handle incorporates multiple surface channels with different depths and configurations (first pair of outer channels, second pair of outer channels, and central channel) that provide localized grip options. Each channel configuration offers a different level of contact and security, allowing the user to select the appropriate grip tightness for specific paddling conditions, thus maintaining secure contact without requiring a consistently tight grip that causes discomfort
Solution Approach 2:
The handle surface is segmented into multiple distinct channel configurations that can be independently engaged by fingers. This segmentation allows the user to distribute their grip force across different channels rather than applying uniform tight pressure, reducing overall muscle tension while maintaining adequate contact security
2Ease of operation
If a loose grip is used to improve comfort, then ease of operation is enhanced, but secure contact and control are lost
Solution Approach 1:
The handle design allows dynamic adjustment of grip security through the selection of different channel configurations. Users can transition between channels during paddling to adapt grip tightness to changing conditions, maintaining comfort while ensuring adequate contact security when needed
Solution Approach 2:
Different surface channels provide varying degrees of contact surface area and geometric constraint. The central channel and outer channels offer different local grip characteristics, allowing users to select channels that provide adequate security without requiring excessive grip force, thus maintaining comfort
3Productivity
If mechanical means are used to adjust blade angle and eliminate turning torque, then paddling efficiency is improved, but device complexity and weight increase
Solution Approach 1:
The patent replaces mechanical adjustment mechanisms with an ergonomic handle geometry that inherently guides the paddle shaft into the correct alignment. The handle's three-dimensional contour and surface channels work with the user's hand anatomy to naturally position the paddle at the optimal angle, eliminating the need for mechanical torque correction systems
Solution Approach 2:
The handle design enables the user's own hand and arm anatomy to perform the alignment function. The ergonomic contours and channel configurations guide the user's natural gripping motion to automatically position the paddle shaft correctly, making the system self-aligning without requiring additional mechanical components
4Manufacturing precision
If mechanical adjustment mechanisms are added to correct handle position, then alignment precision is improved, but ease of operation deteriorates due to extra movements required
Solution Approach 1:
The handle is pre-configured with ergonomic contours and surface channels that anticipate the user's gripping motion. The geometry is designed to guide the hand into the correct position automatically during the natural gripping action, eliminating the need for separate alignment adjustments after gripping
5Ease of manufacture
If the handle design does not accommodate anatomical laterality, then manufacturing simplicity is maintained, but ease of operation deteriorates due to improper body alignment
Solution Approach 1:
The handle incorporates asymmetric surface channel configurations with different geometries on opposite sides. The first pair of outer channels and second pair of outer channels have different characteristics to accommodate the anatomical differences between left and right hands, allowing proper body alignment for both left-handed and right-handed users while maintaining a relatively simple monolithic manufacturing process
Data Source
AI summary
This invention provides paddle handles comprising one or more improvements. For example, the invention provides paddle handles comprising one or more of an arcuate shape, a plurality of surface channels, a surface channel comprising one or more channel branches, and a recessed outer portion.