Adjustable Leash Handle Length Mechanism for Grip Comfort
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Solution Overview
Problem
Existing handles for leash devices have a fixed rigid gripping part, which can be uncomfortable for individuals with smaller hand sizes and increases production and storage costs when multiple handles with different lengths are provided, and existing adjustable solutions complicate leash control.
Innovation Solution
An adjustable handle length mechanism integrated into the gripping part, allowing for secure fit by adjusting the handle length through an adjustment mechanism, such as a displacement or pivoting mechanism, to accommodate various hand sizes and widths, ensuring comfort and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a fixed rigid gripping part is used, then the handle structure is simple and stable, but the comfort is inadequate for people with smaller hand sizes
Solution Approach 1:
The handle incorporates an adjustable length mechanism that allows the rigid gripping part to change its effective length dynamically. The handle bar can be extended or retracted relative to the housing, enabling users to adjust the handle length according to their hand size while maintaining the structural simplicity and stability of the rigid gripping part design.
2Ease of operation
If multiple handles with different lengths are provided, then comfort for different hand sizes is improved, but production and storage costs increase significantly
Solution Approach 1:
The patent designs a universal handle structure where a single handle type can serve multiple hand sizes through the adjustable length mechanism. The handle bar's ability to extend and retract provides multiple effective lengths from one physical component, eliminating the need to manufacture and store multiple different handle types while maintaining comfort for various users.
3Ease of operation
If the handle length is made adjustable, then comfort for different hand sizes is improved, but the stability and secure hold are compromised
Solution Approach 1:
The handle employs an adjustable length mechanism that maintains structural stability during adjustment. The rigid gripping part remains fixed in its connection to the housing, while the handle bar's position can be changed. Once adjusted, the handle bar locks into place, providing a stable and secure hold that does not compromise the overall structural integrity of the handle assembly.
Data Source
Figure 1a~1e
Figure 2a~2b
Figure 3a~3b
AI summary
The handle (10) has an adjustable handle length limiter (11) for adjusting length of the handle for different hand widths. The handle length limiter is arranged along longitudinal direction of a rigid gripping part (12) and continuously and/or intermittently adjustable and/or positionable by an adjusting mechanism (16), where the handle length limiter is in U-shape. The gripping part includes a hand gripping surface side (13) for partially applying a palm, and a finger gripping surface (14) for partially applying finger inner surfaces. The adjusting mechanism is designed as a displacement mechanism and/or a pivoting mechanism.