Slidable mailbox bracket

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Solution Overview

Problem

Existing mailbox mounting brackets often fail to facilitate easy mail retrieval, especially in difficult-to-access locations and adverse weather conditions, and are prone to malfunction or deterioration.

Innovation Solution

A two-component mailbox mounting bracket with a T-shaped design allows the mailbox to slide and extend up to 13½ inches, featuring adjustable tension screws to manage sliding resistance and a lateral channel to minimize ice and snow interference, ensuring reliable operation in various weather conditions.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the mailbox is mounted close to the road for easy access, then mail retrieval is easier, but the mailbox may be exposed to more harmful factors such as snow and ice accumulation

Engineering Contradiction:
Improvemail retrieval accessibilityVSAvoidsnow and ice accumulation
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The mailbox mounting bracket incorporates a sliding mechanism that allows the mailbox to be dynamically adjusted between a retracted position (protected from snow/ice) and an extended position (accessible for mail retrieval). The bracket includes a slideable member with engagement features that can lock at different positions along the post, enabling the system to adapt to different operational conditions.

Inventive Principle:
Principle #15Dynamics

2Object-affected harmful factors

If the mailbox is mounted far from the road for protection from elements, then snow and ice accumulation is reduced, but mail retrieval becomes difficult

Engineering Contradiction:
Improvesnow and ice accumulationVSAvoidmail retrieval accessibility
Core Design Contradiction:
Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The sliding bracket mechanism enables the mailbox to be extended outward from a protected position to an accessible position. The bracket includes a slideable member that can be manually moved along the post and locked at different positions, allowing the mailbox to reach from a snow-protected location to an easily accessible location for mail retrieval.

Inventive Principle:
Principle #15Dynamics

3Device complexity

If a fixed mailbox mounting bracket is used, then the structure is simple and stable, but the mailbox cannot be adjusted for easy access or protection

Engineering Contradiction:
Improvemounting bracket structureVSAvoidmailbox position adjustment
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The mounting bracket includes a slideable member with engagement features that can lock at multiple positions along the post. The mechanism uses simple mechanical components including a slideable member, engagement features, and a locking mechanism that maintains stability when positioned while allowing easy adjustment between different mailbox positions.

Inventive Principle:
Principle #15Dynamics

4Ease of operation

If the mailbox bracket is designed to extend far from the post for maximum accessibility, then mail retrieval is easiest, but the bracket becomes more vulnerable to winter conditions

Engineering Contradiction:
Improvemail retrieval accessibilityVSAvoidbracket performance in winter
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The sliding bracket mechanism allows the mailbox to be positioned at optimal distances from the post depending on conditions. The bracket includes a slideable member that can be adjusted to extend the mailbox for easy access during clear conditions, or retracted closer to the post during winter conditions to reduce vulnerability to snow and ice accumulation.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS11006774B2Slidable mailbox bracket
Publication Date: 2021.05.18 ISND DESIGN LLC
  • US11006774B2 patent drawing
  • US11006774B2 patent drawing
  • US11006774B2 patent drawing

AI summary

A mailbox mounting bracket for a mailbox. The mailbox mounting bracket comprises a lower first member and an upper second member. The lower first member has a T-shaped transverse cross sectional profile and the upper second member defines a mating T-shaped recess. The T-shaped recess of the upper second member captively receives and encloses the T-shaped transverse cross sectional profile of the lower first member such that three sides of the lower first member are completely surrounded by the upper second member while a fourth side of the lower first member is only partially surrounded by lower legs of the upper second member and is at least partially exposed so as to facilitate attachment of the lower first member to a surface of a mailbox post. The upper second member is slidably moveable relative to the lower first member.