Adjustable Roof Ridge Vent for Variable Shingle Widths

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Solution Overview

Problem

Existing roof ridge vent technologies fail to provide a flexible solution that can accommodate various sizes of standard roof cap shingles, leading to inefficiencies in ventilation and increased inventory and installation complexities.

Innovation Solution

A ridge vent design featuring an elongated body with ventilation slots and a separation line, allowing for easy adjustment of width by separating and reattaching outer edge portions, which includes interlocking cylindrical holes for secure reattachment, eliminating the need for baffling and enabling adaptation to different shingle sizes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a single ridge vent design is used for all shingle widths, then inventory complexity is reduced, but the vent cannot accommodate various sizes of standard roof cap shingles

Engineering Contradiction:
Improveaccommodation of various shingle widthsVSAvoidridge vent structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The ridge vent is divided into a central body and removable outer edge portions separated by separation lines. This segmentation allows the outer portions to be removed to accommodate narrower shingles while maintaining a single base design, thus achieving adaptability without requiring multiple different vent models.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The ridge vent design allows dynamic reconfiguration by enabling the removal and reattachment of outer edge portions. This dynamic adjustment capability permits the same vent structure to adapt to different shingle widths, resolving the contradiction between versatility and structural complexity.

Inventive Principle:
Principle #15Dynamics

2Adaptability or versatility

If outer edge portions are removed to accommodate narrower shingles, then adaptability to different shingle sizes is improved, but reattachment complexity increases

Engineering Contradiction:
Improveadjustment to different shingle widthsVSAvoidreattachment process simplicity
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The interlocking components are designed to self-align and self-secure through cylindrical bodies that fit into corresponding holes with mating cylindrical bodies. This self-service mechanism eliminates the need for complex fastening tools or procedures, making reattachment simple while maintaining adaptability.

Inventive Principle:
Principle #25Self-service

3Reliability

If interlocking components are added to secure outer edge portions, then structural reliability is improved, but device complexity increases

Engineering Contradiction:
Improvesecure reattachment of outer portionsVSAvoidnumber of interlocking components
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The interlocking mechanism uses nested cylindrical bodies where one cylinder fits within another, creating a secure connection. This nesting approach provides reliable structural attachment while minimizing the number of separate components needed, thus improving reliability without proportionally increasing complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

4Productivity

If a single ridge vent design is used, then manufacturing and inventory costs are reduced, but installation time increases due to modifications

Engineering Contradiction:
Improveinstallation efficiencyVSAvoidsite modification time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The separation lines are pre-formed during manufacturing, and the interlocking components are pre-configured in the central body. This preliminary preparation eliminates the need for complex on-site modifications, reducing installation time while maintaining the benefit of a single universal vent design.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS9175480B1Roof ridge vent
Publication Date: 2015.11.03 ROSS MFG LLC
  • US9175480B1 patent drawing
  • US9175480B1 patent drawing
  • US9175480B1 patent drawing

AI summary

A ridge vent has an elongated body, a plurality of ventilation slots, and a separation line that permits easy separation of an outer edge portion of the elongated body. Each of a first set of holes adjacent the separation line has a downwardly extending cylindrical body. Each of a second set of holes adjacent the separation line has a mating cylindrical body adapted to engage and nest within the downwardly extending cylindrical body of one of the second set of holes. Moreover, a width of the ridge vent may be reduced by separating the outer edge portion from the elongated body, overlapping it with the elongated body, and engaging the mating cylindrical bodies with the downwardly extending cylindrical bodies.