Separable Quad Cane Assembly for Compact Retail Packaging

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Solution Overview

Problem

Existing quad canes are difficult to display and inspect in retail environments due to their bulky and asymmetrical shape, leading to inefficient packaging that results in wasted space and increased costs, with consumers often unable to find or properly evaluate the product before purchase.

Innovation Solution

A separable quad cane design that fits into compact packaging, allowing the quadspider to be detached from the upright portion, enabling the cane to be packaged in a significantly smaller size, reducing packaging material usage by up to five times, and allowing the cane to be displayed on shelves or hung from hooks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If quad canes are packaged in their assembled state, then the product is ready for immediate use, but the packaging size becomes excessively large and occupies excessive retail shelf space

Engineering Contradiction:
Improvereadiness for useVSAvoidpackaging size
Core Design Contradiction:
Ease of operationVSVolume of stationary object

Solution Approach 1:

The quadspider base is designed to nest within the cane shaft when detached, allowing the entire assembly to be packaged in a compact configuration. The legs of the quadspider fold inward and the base plate aligns with the shaft, creating a space-efficient nested structure that dramatically reduces packaging volume while maintaining full functionality when assembled.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The cane is divided into separable components - the upright shaft and the quadspider base - that can be independently packaged and then easily reassembled. This segmentation allows each component to be optimized for compact storage while enabling quick assembly into the full-size functional device, resolving the conflict between compact packaging and readiness for use.

Inventive Principle:
Principle #1Segmentation

2Reliability

If traditional bulky packaging is used for quad canes, then product protection is adequate, but retail display efficiency and consumer accessibility are significantly reduced

Engineering Contradiction:
Improveproduct protectionVSAvoidretail display efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The nested configuration allows the quadspider to be contained within the cane shaft volume, creating a compact package that requires minimal protective material while maintaining adequate protection. This nested structure enables efficient retail display with sixty percent reduction in packaging size, directly improving display efficiency and consumer accessibility.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Stability of the object's composition

If the quadspider is permanently attached to the cane shaft, then structural stability is maximized, but packaging compactness and retail display capability are compromised

Engineering Contradiction:
Improvestructural stabilityVSAvoidpackaging volume
Core Design Contradiction:
Stability of the object's compositionVSVolume of stationary object

Solution Approach 1:

The connection between the quadspider and cane shaft is made dynamically adjustable - permanently stable during use through secure attachment mechanisms, but separable during packaging and transport. This dynamic capability allows the system to transition between stable operational state and compact storage state, resolving the contradiction between structural stability and packaging compactness.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The separable design divides the cane into two segments that can be independently positioned - the shaft and the quadspider base. When assembled, they form a stable unified structure; when separated, they enable compact packaging. This segmentation strategy maintains structural stability during use while enabling compact packaging for retail display.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11026487B2Separable quad cane assembly and method of nesting and packaging the same
Publication Date: 2021.06.08 MEDLINE INDUSTRIES
  • US11026487B2 patent drawing
  • US11026487B2 patent drawing
  • US11026487B2 patent drawing

AI summary

A package (200) for a selectively separable quad cane assembly can include an enclosed rectangular box (500), with a front face (201) defining an aperture (224) that is centrally located along a height (225) of the front face and offset from a medial line (227) defined by the front face. An upper face (205) can define a two-sided aperture (222) at a corner of the upper face, while a lower face (206) defines a peninsular aperture (221) that is centrally located along an edge (223) of the lower face. In the package, the aperture can concentrically circumscribe an a cane-receiving conduit (125) of a quadspider (221) of the cane, while an apex (501) of a gooseneck (108) of the cane is aligned with the two-sided aperture of the upper face and the lower leg is aligned with the peninsular aperture of the lower face.