Mobile Folding Table Cylinder Lift-Assist and Upright Bench Stabilizer
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Solution Overview
Problem
Existing mobile folding tables with attached seating are difficult to lift from an unfolded to a folded position due to heavy table tops and have unstable bench seating that can tilt when folded, posing safety concerns.
Innovation Solution
A mobile folding table design featuring a high-speed cylinder assembly for assisted lifting and a stabilizer mechanism that keeps benches upright, using hinged and slidably connected bench legs fixed to the base to prevent tilting, and a linkage system that facilitates easy folding and unfolding without opposing forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If heavy table tops are used in existing folding tables, then the table tops provide sufficient structural strength and stability, but the tables become difficult to lift from unfolded to folded position
Solution Approach 1:
The patent employs a gas cylinder assembly (pneumatic device) connected between the table top and frame to provide automated lifting assistance. The gas cylinder extends to push the table top upward during folding operation, significantly reducing the manual lifting effort required despite the heavy weight of the table top, thus resolving the contradiction between structural strength and ease of operation
Solution Approach 2:
The gas cylinder assembly functions as a counterweight mechanism by providing an upward force that opposes the downward gravitational force on the heavy table top. This counteracting force makes it easier to lift and maneuver the table top during folding and unfolding operations while maintaining the structural integrity of the heavy table top
2Device complexity
If existing folding tables use simple bench seating without stabilizer mechanisms, then the device complexity is reduced, but the benches become unstable and may freely tilt from side to side when folded
Solution Approach 1:
The stabilizer mechanism is segmented into separate components: stabilizer bars that connect to the bench, and linkage assemblies that connect to the frame. This segmentation allows the stabilizer mechanism to be integrated without significantly increasing overall device complexity while effectively preventing bench tilting through coordinated action of these segmented components
Solution Approach 2:
The stabilizer bars and linkage assemblies act as intermediary elements between the bench and the frame. These intermediaries transmit forces and constraints to prevent bench tilting while maintaining a relatively simple structural configuration, thus resolving the contradiction between device complexity and bench stability
3Force
If typical cylinder assemblies are used in folding tables, then the assembly provides lifting force, but the cylinder produces force to oppose rapid extension making the table harder to open
Solution Approach 1:
The gas cylinder assembly is designed with dynamic characteristics that allow it to provide lifting force during the folding operation while automatically adjusting its resistance based on the direction and speed of movement. The cylinder provides minimal resistance during opening (extension) while maintaining sufficient control during closing (compression), thus resolving the contradiction between providing lifting force and ease of opening
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 solution provides a stable and easy-to-open/close mobile folding table that remains upright and safe when folded, reducing the effort required to transition between open and closed positions while preventing bench tipping.
Implementation Method 1
The cylinder assembly contains compressed fluid adapted to produce a force tending to move its members apart from each other to extend the assembly toward the fully extended position
Data Source
AI summary
The present invention provides a mobile folding table with attached seating having an improved lift-assist mechanism. In particular, the table includes a gas cylinder that provides a force tending to extend the cylinder to assist in folding the table into a storage position, the cylinder providing substantially no force to resist rapid extension thereof. Preferably, a mobile folding table according to the present invention also includes a stabilizing mechanism including center bench legs attached to a center leg structure that is maintained substantially upright whether the table is in an unfolded use configuration, in a mobile folded storage configuration, or in the process of being folded or unfolded. In this manner, the attached benches are prevented from freely tipping when the table is being folded or moved.