Foldable Side-Console Loader Lever for Operator Access
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Solution Overview
Problem
Existing operating mechanisms for work vehicles can obstruct the motion of operators due to the positioning of operating portions, which hinders their ability to enter or exit the vehicle and perform maintenance tasks effectively.
Innovation Solution
An operating mechanism for work vehicles that includes an operating portion on a console beside the seat, a switching portion allowing it to toggle between used and non-used states, and a transmitting portion that restricts rocking to prevent obstruction, featuring a first and second member with a coupling and restricting mechanism to facilitate smooth operation and easy switching between states.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the operating portion is disposed at a fixed position on the console, then the operating mechanism can reliably control the front loader, but the operating portion may obstruct the operator's motion when entering, exiting, or performing maintenance tasks
Solution Approach 1:
The operating portion is designed to be movable between a first position (extending upward) for normal operation and a second position (folded backward) for operator access. The switching portion enables this dynamic repositioning, allowing the system to adapt between control reliability and operator mobility needs based on operational context.
2Ease of operation
If the operating portion is made movable to avoid obstruction, then operator mobility is improved, but the device complexity increases due to additional switching mechanisms
Solution Approach 1:
The switching portion is designed to be operable by the operator through simple manual action. The operator can switch the operating portion between positions without requiring additional assistance or complex control systems, allowing the system to serve itself in adapting to operational needs.
Solution Approach 2:
The operating mechanism is divided into distinct functional components: the operating portion (loader lever), the switching portion (enabling position changes), and the transmitting portion (motion transmission). This segmentation allows each component to be optimized independently while maintaining overall system simplicity.
3Ease of operation
If the operating portion is positioned to avoid obstruction, then operator mobility is improved, but the transmitting portion may not reliably transmit motion to the control valve
Solution Approach 1:
The transmitting portion is designed to dynamically engage with the operating portion only when it is in the first position. The coupling mechanism between the operating portion and transmitting portion is positioned such that motion transmission is enabled when the operating portion extends upward and automatically disengaged when folded backward, ensuring reliable transmission only when needed.
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
This configuration effectively suppresses operator obstruction by allowing the operating portion to be easily switched to a non-interfering position, enhancing operator mobility and ease of use, particularly for front loader operations.
Implementation Method 1
a biasing member that biases the restricting member toward the other of the first member and the second member
Data Source
AI summary
An operating mechanism of a work vehicle includes: an operating portion that is provided to a side console disposed beside a seat and can be operated by an operator; and a switching portion capable of switching between a used state in which the operating portion can be used and a non-used state in which the operating portion cannot be used.