Workbench
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Solution Overview
Problem
Conventional workbenches lack a compact and efficient mechanism for adjusting and storing workpieces during various tasks like cutting, sawing, and drilling, as they often require manual adjustment and lack a secure, space-saving design for transportation and storage.
Innovation Solution
A workbench with a rack and pinion system that allows for simultaneous extension and retraction of legs via a handle, enabling secure positioning, compact storage, and easy transportation, along with features like leg locks, wheels, and clamping surfaces for versatile use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional workbenches use manual adjustment mechanisms, then the structure is simple, but the ease of operation and productivity are reduced due to time-consuming adjustments
Solution Approach 1:
The patent replaces manual mechanical adjustment with an electric motor-driven system. The motor (240) automatically extends and retracts the legs (30) based on detected work conditions, eliminating the need for manual operation while maintaining structural simplicity through automated control.
Solution Approach 2:
The workbench system performs self-adjustment through the motor (240) that automatically responds to work condition detections. The system serves itself by detecting when adjustment is needed and executing the extension or retraction of legs without external manual intervention, improving operational ease while keeping the mechanical structure relatively simple.
2Volume of moving object
If workbenches are designed for compact storage, then the volume is reduced, but the stability and strength are compromised when extended
Solution Approach 1:
The legs (30) are designed to be dynamically extendable and retractable rather than fixed. When storage is needed, they retract to minimize volume. When work is required, they extend to provide adequate support surface area and structural strength, allowing the workbench to adapt its physical characteristics based on operational requirements.
Solution Approach 2:
The legs (30) can be nested or folded into the workbench frame when not in use, significantly reducing the overall volume for storage and transportation. The telescopic design allows the legs to be contained within the frame structure, similar to nested dolls, while maintaining full extension capability when needed for work.
3Adaptability or versatility
If workbenches lack adjustment mechanisms, then the device complexity is low, but the adaptability for different tasks and materials is limited
Solution Approach 1:
The workbench is designed with universal adaptability through its adjustable leg configuration. The same workbench can accommodate various work conditions by extending legs for stable work surfaces or retracting for compact storage. The motorized system (240) enables this single device to perform multiple functions - providing both extended work surfaces and compact storage capability, eliminating the need for separate specialized equipment.
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
The workbench provides a secure, adjustable, and compact solution for supporting workpieces, facilitating efficient task execution and easy storage/transportation, while allowing for multiple configurations to accommodate different tasks and materials.
Implementation Method 1
a rack and pinion system coupling the first leg, the second leg, and the handle. Moving the handle relative to the work support structure causes both the first leg member and the second leg member to extend from or retract into the work support structure via movement in the rack and pinion system.
Data Source
AI summary
A workbench includes a work support structure, a first leg member, a second leg member, a handle; and a rack and pinion system coupling the first leg, the second leg, and the handle. Moving the handle relative to the work support structure causes both the first leg member and the second leg member to extend from or retract into the work support structure via movement in the rack and pinion system.