Padlock Display Package With Integrated Key Retainer

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Solution Overview

Problem

Conventional display packaging for items like padlocks makes it difficult for consumers to inspect and remove the product post-purchase, as it encases the entire product, inhibiting pre-purchase inspection and requiring time-consuming separation of packaging materials.

Innovation Solution

A display package design that secures a padlock with a shackle to the package and includes a key retainer, allowing the padlock to prevent key removal, eliminating the need for additional fasteners and reducing packaging costs and risks, while enabling easier access post-purchase by allowing the key to be cut from the package.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional packaging encapsulates the entire product to prevent removal, then security and theft prevention are improved, but product inspection and post-purchase removal become difficult and time-consuming

Engineering Contradiction:
Improvetheft preventionVSAvoidproduct inspection and removal
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The packaging system is divided into separate functional components: a display package for the padlock and a separate key retainer. This segmentation allows the padlock to be displayed and inspected while the key is securely held separately, enabling both security and ease of inspection/removal.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The key is extracted from the main product packaging and placed in a separate key retainer. This extraction allows consumers to inspect the padlock freely while the key remains securely attached to the packaging, resolving the contradiction between security and inspection ease.

Inventive Principle:
Principle #2Taking out (Extraction)

2Reliability

If conventional packaging uses additional fasteners to secure accessories, then security is improved, but device complexity and manufacturing costs increase

Engineering Contradiction:
Improveaccessory securityVSAvoidpackaging structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The key retainer combines multiple functions into a single component: it holds the key, attaches to the display package, and works with the padlock shackle to prevent key removal. This merging eliminates the need for separate fasteners and reduces overall packaging complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The key retainer serves multiple purposes: it secures the key to the packaging, interacts with the padlock shackle to prevent key removal, and provides a structured way to display and distribute the key. This multi-functionality reduces the need for additional fasteners and simplifies the overall system.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If conventional packaging fully encapsulates the product, then security is improved, but handling efficiency and productivity decrease

Engineering Contradiction:
Improveproduct securityVSAvoidpackaging and unpackaging speed
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

By segmenting the key into a separate retainer component, the packaging system allows for faster handling. The padlock can be quickly displayed and inspected while the key retainer remains attached to the packaging, enabling efficient checkout and reducing unpackaging time.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Extracting the key from full encapsulation and placing it in a separate but attached retainer allows consumers to quickly access and remove the padlock while the key remains securely held by the packaging, significantly improving handling efficiency.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS9321573B2Display package
Publication Date: 2016.04.26 MASTER LOCK CO INC
  • US9321573B2 patent drawing
  • US9321573B2 patent drawing
  • US9321573B2 patent drawing

AI summary

A padlock, a key for unlocking the padlock, and a padlock display package are provided in combination. The padlock includes a shackle lockable with a lock body. The padlock display package includes a base member having a front side and a back side, a shackle retaining member extending from the front side of the base member, and a key retainer secured to the base member. The locked shackle of the padlock is positioned around at least a portion of the shackle retaining member to secure the padlock to the display package. The key retainer includes a cavity receiving at least a portion of the key therein, and the padlock prevents removal of the key from the key retainer.