Flip-top table for protection from projectiles
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing ballistic furniture, such as flip-top tables, fail to account for the increased weight and adrenaline-induced force in high-stress situations, leading to instability and difficulty in converting to a shielding position without toppling, and lack mobility and clear identification of ballistic protection features.
Innovation Solution
A flip-top table design with a pivotally attached ballistic tabletop that rotates between a working and shielding position, featuring a lift assist cylinder, lift speed restricting mechanism, color-coded indicators, and casters for mobility and stability, along with a biasing mechanism to maintain the shielding position and prevent over-rotation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ballistic resistant material is used to make the tabletop heavy-duty, then protection effectiveness is improved, but the tabletop becomes too heavy for individuals to lift quickly in high-stress situations
Solution Approach 1:
A counterbalance mechanism is integrated into the flip-top table to offset the weight of the ballistic-resistant tabletop. This allows the tabletop to be lifted and flipped into the shielding position with significantly reduced effort, enabling quick deployment even by individuals with limited strength during high-stress situations while maintaining the heavy-duty ballistic protection.
2Speed
If the tabletop is flipped forward quickly to shielding position, then response time is improved, but the unit topples over due to momentum
Solution Approach 1:
The counterbalance mechanism not only assists in lifting the heavy tabletop but also stabilizes the entire unit during the flipping motion. By providing opposing force to the momentum generated during quick flipping, the counterbalance prevents the unit from toppling over while still allowing rapid conversion to the shielding position.
Solution Approach 2:
The counterbalance mechanism is pre-configured to engage automatically during the flipping motion, providing stabilizing force before the unit can topple. This preliminary stabilization action ensures that even rapid flipping movements do not cause the unit to lose stability.
3Ease of operation
If standard furniture materials are used, then ease of lifting is improved, but ballistic protection capability is insufficient
Solution Approach 1:
The counterbalance mechanism compensates for the weight of ballistic-resistant materials, making them as easy to manipulate as standard lightweight furniture materials. This allows the use of heavy-duty protective materials without sacrificing ease of operation during critical moments.
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
Enables quick and stable conversion to a ballistic shield within five seconds, providing effective protection for multiple rows of people while being easily movable and identifiable as a ballistic-resistant piece of furniture, maintaining stability against projectiles and adrenaline-induced forces.
Implementation Method 1
a lift assist cylinder to assist a user in pivoting the surface
Implementation Method 2
a lift speed restricting mechanism to prevent the user from lifting the surface too quickly. Without the restricting mechanism, a user may lift the surface too quickly and the forward momentum may cause the entire unit to topple
Implementation Method 3
When in the shielding position, the lift assist doubles as a biasing mechanism to hold the tabletop in the shielding position and standoff posts attached to the legs prevent the tabletop from over-rotating
Implementation Method 4
The table also includes casters that allow the table to be easily moved and repositioned
Data Source
AI summary
A flip-top table has a tabletop attached to a frame through a pivoting assembly. The tabletop is made from a ballistic-resistant material allowing it to be used as a ballistic shield when it rotates from its horizontal working position to a vertical shielding position. A front modesty panel is also ballistic-resistant and is mounted between the front legs of the frame. A lift speed restrictor is connected between the tabletop and the frame which prevents the user from lifting the tabletop too quickly which could topple the table, and it includes a biasing mechanism that provides a lifting force and helps to hold the tabletop in the shielding position. The table also includes visual indicators that readily indicate to persons around the table that the table can be converted into a ballistic shield. Casters allow one or more tables to be quickly moved and repositioned into a defensive arrangement.