Busway Plug Fitting Reverse Link Toggle Mechanism
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Solution Overview
Problem
Existing busway plug fittings with multiple handles often confuse users due to handles being rotated in opposite directions for opening and closing the operating device, and lack operatively linked handles for unified operation.
Innovation Solution
A busway plug fitting with a toggle mechanism that links two handle assemblies on perpendicular sides of the housing assembly, allowing either handle to actuate the operating device, ensuring both handles move in the same direction for opening or closing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple handle assemblies are provided on perpendicular sides of the housing assembly, then the operating device can be actuated from multiple sides improving accessibility, but the handles rotate in opposite directions causing user confusion
Solution Approach 1:
The patent applies the inversion principle by introducing a reverse link that inverts the rotational direction transmission from one handle assembly to the other. When the first handle assembly rotates clockwise, the reverse link inverts this motion so the second handle assembly also rotates clockwise, rather than rotating counter-clockwise as would occur with direct transmission. This resolves the user confusion caused by opposite handle rotations while preserving multi-side accessibility.
2Adaptability or versatility
If multiple handle assemblies are provided on perpendicular sides of the housing assembly, then the operating device can be actuated from multiple sides improving accessibility, but the link assembly becomes more complex
Solution Approach 1:
The reverse link serves as an intermediary element between the two handle assemblies. Rather than requiring complex independent actuation mechanisms for each handle or accepting direct opposite-rotation transmission, the reverse link mediates the motion transfer by inverting the rotational direction. This intermediary component adds minimal complexity while enabling synchronized same-direction rotation of both handles.
3Ease of operation
If a reverse link is added to the link assembly to synchronize handle rotation direction, then both handles rotate in the same direction improving ease of operation, but the device complexity increases
Solution Approach 1:
The reverse link implements the inversion principle by taking the rotational motion from one handle assembly and inverting its direction before transmitting it to the second handle assembly. This ensures both handles rotate in the same direction (e.g., both clockwise) when actuated from perpendicular sides, improving ease of operation and eliminating user confusion, while adding only a single mechanical inversion element to the system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Simplifies user operation by allowing both handles to be rotated in the same direction, enhancing usability and ensuring synchronized operation of the toggle mechanism with the operating device.
Implementation Method 1
The toggle mechanism includes a link assembly having a reverse link structured to translate the motion of one handle assembly into a corresponding motion on the other handle assembly
Data Source
AI summary
The present invention provides busway plug fitting having a housing assembly and a toggle mechanism disposed therein having at least two operatively linked operating handles. A first assembly is disposed on a first side member of the housing assembly and structured to move between a first position and a second position. The second handle assembly is disposed on a second, perpendicular side of the housing assembly and also structured to move between a first position and a second position. The toggle mechanism is coupled to the external coupling construct of the operating device and structured to move between a first position and a second position. The first and second handle assemblies are operatively linked by the toggle mechanism. In this configuration, a user may operate either handle assembly to actuate the operating device disposed with in the busway plug fitting.