Adjustable Implement Handle for One- or Two-Handed Operation
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Solution Overview
Problem
Existing implements, such as blowers, designed for one-handed operation lead to operator fatigue due to the need for single-handed guidance, limiting versatility and ergonomic comfort.
Innovation Solution
Incorporating a second adjustable handle that allows for both one-handed and two-handed operation by pivoting between operating positions, with a detachable clamp system for secure mounting on a tubular section, ensuring ergonomic grip and reduced fatigue across various usage scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the implement is designed for one-handed operation with a single handle, then the device structure is simple and easy to manufacture, but operator fatigue increases and ergonomics deteriorate
Solution Approach 1:
The handle is designed to be rotatable about its longitudinal direction, allowing it to dynamically adjust between different operating positions (first and second positions). This dynamic capability enables the same handle to accommodate both one-handed and two-handed operation modes, reducing operator fatigue while maintaining structural simplicity.
Solution Approach 2:
The single handle serves multiple functions by being adjustable between different positions. It can be configured for one-handed operation in the first position and for two-handed operation in the second position, making the implement versatile and adaptable to different usage scenarios without requiring multiple separate handles.
2Ease of operation
If the implement is designed for two-handed operation with two handles, then operator fatigue is reduced and ergonomics improve, but device complexity and manufacturing difficulty increase
Solution Approach 1:
Instead of providing two separate fixed handles, the invention uses a single handle that can be rotated to different positions. When positioned in the second operating position, this single handle works in conjunction with another handle to enable two-handed operation, achieving ergonomic benefits without the complexity of a permanent dual-handle structure.
Solution Approach 2:
The handle structure is segmented into adjustable components that can be positioned independently. The ability to rotate the handle about its longitudinal direction creates distinct functional segments (first position for one-handed operation, second position for two-handed operation), allowing the system to provide two-handed ergonomics only when needed.
3Reliability
If the handle position is fixed, then the device structure is simple and reliable, but adaptability to different usage scenarios is limited
Solution Approach 1:
The handle is designed with rotational freedom about its longitudinal direction, allowing it to be positioned in different orientations while maintaining secure attachment. This dynamic positioning capability enables the implement to adapt to different usage scenarios (one-handed or two-handed operation) while the overall attachment mechanism remains reliable and simple.
Solution Approach 2:
The handle is pre-configured with mounting features that allow it to be securely attached in multiple positions. The rotational capability is built into the design from the beginning, enabling the user to preliminarily set the handle in the appropriate position based on the intended usage scenario before operation begins.
Data Source
AI summary
An implement comprising a first handle, on which are disposed control elements for the implement, and a second handle. The first handle is adjustable between a first operating position for a two-handed operation in which the implement is adapted to be guided by both the first handle and the second handle, and a second operating position for one-handed operation in which the implement is adapted to be guided by the first handle.