Tofu Pressing Apparatus With Telescoping Extender
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Solution Overview
Problem
Current methods for removing liquid from tofu are inefficient, leading to messy leaks, uneven pressure application, and potential deformation or cracking of the tofu, as well as the need for unsanitary and non-uniform pressure application using arbitrary objects.
Innovation Solution
A tofu press apparatus featuring a nested pair of boxes with drain holes and resilient spacers to cushion the tofu, along with a two-tier telescoping extender that progressively applies pressure using a spring-loaded cone cap and pressing plate, allowing controlled liquid removal and minimizing mess.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If heavy objects are used to press tofu, then liquid removal effectiveness is improved, but tofu deformation and cracking occur
Solution Approach 1:
The patent changes the pressure application parameter from excessive (heavy objects) to controlled and progressive. The telescoping extender mechanism applies pressure in a controlled manner, allowing liquid removal while maintaining tofu shape integrity through gradual compression rather than sudden heavy loading.
Solution Approach 2:
The patent introduces a telescoping extender as an intermediary between the pressing force and the tofu. This intermediary mechanism distributes and controls the pressure application, preventing direct contact between heavy objects and the tofu, thereby avoiding deformation while still achieving effective liquid removal.
2Productivity
If arbitrary heavy objects are used for pressing, then liquid removal is achieved, but pressure uniformity deteriorates
Solution Approach 1:
The pressing mechanism is segmented into multiple controlled components (telescoping extender with interior and exterior tiers). This segmentation allows for progressive and uniform pressure distribution across the tofu surface, unlike arbitrary heavy objects that create uneven pressure points.
Solution Approach 2:
The pressing system transitions from static heavy objects to a dynamic telescoping extender that can progressively extend and adjust pressure application. This dynamic mechanism ensures uniform pressure distribution while maintaining the ability to remove liquid effectively.
3Productivity
If pressing is applied to remove liquid, then liquid removal effectiveness is improved, but mess and spillage increase
Solution Approach 1:
The patent converts the harmful effect of liquid spillage into a beneficial drainage process. The interior box with drain holes captures and channels the pressed liquid in a controlled manner, transforming what would be messy spillage into organized drainage that can be easily managed and cleaned.
4Manufacturing precision
If uniform pressure is applied to tofu, then shape integrity is maintained, but liquid removal efficiency decreases
Solution Approach 1:
The telescoping extender provides continuous and progressive pressure application rather than intermittent or sudden loading. This continuous action maintains tofu shape integrity while efficiently removing liquid over time, achieving both shape preservation and liquid removal efficiency.
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 apparatus effectively removes liquid from tofu while minimizing deformation and mess, providing controlled pressure application and easy cleanup, with the ability to accommodate varying tofu sizes and heights.
Implementation Method 1
The resiliency of the spacers may cushion the tofu while it is being pressed to minimize deformation or cracking of the tofu
Implementation Method 2
The two-tier telescoping extender includes an interior tier cylinder and an exterior tier cylinder and associated elements. When the exemplary tofu press is activated, the interior tier cylinder of the two-tier telescoping extender progressively unscrews from its nested position within the exterior tier cylinder to a more extended position into the interior box. By extending further into the interior box, the interior tier extends a spring-loaded cone cap and pressing plate towards the tofu.
Data Source
AI summary
Apparatus and system for controllably removing liquid from tofu with no or minimal cracking or deforming. An interior box contains tofu. Interior box is insertable and removable from exterior box. Interior box includes drain(s) for liquid removed from tofu, and resilient spacers on bottom to create space between bottoms of interior and exterior boxes for containing drained liquid and for cushioning tofu when pressed. A cover releasably attaches to top of nested boxes. Telescoping extender extends through cover into interior box. Extender is attached at one end to inside cover and attached at other end through a spring-loaded cap to a press plate. Extender has interior tier cylinder nested within exterior tier cylinder. Extender progressively telescopes interior cylinder out of exterior cylinder, and then telescopes exterior tier cylinder to extend press plate further into interior box to press tofu to release liquid. Spring-loaded cap on extender cushions pressure on tofu.