Tissue Paper Case With Tapered Projections for Sheet Centering
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Solution Overview
Problem
Existing tissue paper supply cases are inconvenient for containing and sequentially removing tissue paper of varying sizes, often requiring additional members and causing deformation or displacement, especially when dealing with non-boxed tissue papers like hair perm paper.
Innovation Solution
A tissue paper supply case with a case body, a lid having tapered projections, and a platform member with alternating tapered projections, allowing tissue paper to be securely positioned with its width-directional center facing the take-out hole, enabling easy and sequential removal regardless of size without additional members.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a partition plate is inserted into grooves to center tissue paper of various sizes, then the tissue paper can be contained according to size, but additional members must be prepared and insertion work requires much time and labor
Solution Approach 1:
The tapered projections on the lid and platform member automatically center tissue paper of any size without requiring manual insertion of partition plates. The self-adjusting mechanism eliminates the need for additional members and manual positioning work.
Solution Approach 2:
The tapered shape of the projections allows the system to adapt to different tissue paper sizes by changing the contact parameters automatically. As tissue paper of various widths is placed on the platform, the tapered projections adjust their contact points to achieve centering without manual intervention.
2Adaptability or versatility
If the width of tissue paper depends on groove position, then partition plates can be positioned for different sizes, but displacement between tissue paper size and groove position causes partition plates to become unusable
Solution Approach 1:
The tapered projections automatically position tissue paper of any width without requiring manual selection or positioning of partition plates. The system self-adjusts to the tissue paper width, eliminating positioning errors and making the operation simple.
Solution Approach 2:
The positioning mechanism transitions from a static groove-based system to a dynamic tapered projection system that automatically adapts to different tissue paper widths. This dynamic adjustment eliminates displacement between tissue paper size and positioning elements.
3Ease of operation
If compressible elastic members are used to adjust tissue paper position, then positioning can be achieved, but direct pressure on non-boxed tissue paper causes curvature or deformation
Solution Approach 1:
Instead of applying uniform pressure from compressible elastic members, the tapered projections apply localized pressure only at the contact points with the tissue paper edges. This localized contact prevents curvature and deformation while achieving proper positioning.
Solution Approach 2:
The tapered projections act as an intermediary between the lid and the tissue paper, providing a mechanical advantage that positions the tissue paper without direct compression. The geometry of the projections transforms the pressing motion into a centering action that avoids deformation.
4Adaptability or versatility
If additional members like partition plates are required for different tissue paper sizes, then various sizes can be accommodated, but the supply case requires more components and assembly steps
Solution Approach 1:
The tapered projections on the lid and platform member serve a universal function for centering tissue paper of any size without requiring additional partition plates. This multi-functional design eliminates the need for size-specific components, reducing the total number of parts.
Solution Approach 2:
The supply case uses its own built-in tapered projections to center tissue paper of various sizes, making the system self-sufficient without requiring external partition plates or additional members for different tissue paper widths.
Data Source
AI summary
Disclosed is a tissue paper supply case comprising a case body for containing tissue paper, a lid having a slot-like take-out hole for taking out the tissue paper therethrough, a platform member mounted within the case body for placing the tissue paper thereon, and means for energizing the platform member from the bottom of the case body toward the lid, wherein the lid is provided on its inner surface with a plurality of lid projections formed in parallel rows to the take-out hole on both sides of the take-out hole, which lid projections are tapered each having a protrusion height becoming larger with increasing distance from the take-out hole, and the platform member is provided on its upper surface with a plurality of platform projections formed in parallel rows to the take-out hole on both sides of the position facing the take-out hole, which platform projections are tapered each having a protrusion height becoming larger with increasing distance from the position facing the take-out hole and wherein the plurality of lid projections formed on the lid and the plurality of platform projections formed on the platform member are placed oppositely alternating with each other.