Size-Adaptable Cigar Splitter with Sliding Sleeve

Solution Overview

Problem

There is a lack of a safe and precise tool for splitting cigar and cigarillo wrappers along their length, leading to potential damage and risk of injury when using makeshift tools like pocket knives or razors, which can ruin the smoking device and compromise flavor.

Innovation Solution

A size-adaptable cigar splitting apparatus with a removable and replaceable blade, housed in a cylindrical body that can accommodate various sizes of smoking devices, using a sliding size-adapting sleeve to ensure precise and safe splitting of both the wrapper and packaging, allowing for easy refilling with different tobacco or smoking substances.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If pocket knives or razors are used to split cigar wrappers, then the splitting function can be achieved, but the risk of injury and damage to the cigar increases

Engineering Contradiction:
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The device segments the splitting function into a dedicated blade component separate from the handle, allowing the blade to be replaced and the handle to be shared across different blade types. This segmentation enables safe, controlled splitting while isolating the harmful cutting function from the user's hand.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device introduces an intermediary structure (the handle with guide channels and blade mounting mechanism) between the user's hand and the cutting blade. This intermediary provides control, guidance, and safety while still enabling the splitting function to be performed effectively.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If makeshift tools are used to split cigar wrappers, then the splitting function can be achieved, but the precision and safety of the split deteriorates

Engineering Contradiction:
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The device performs preliminary action by providing pre-formed guide channels and a precisely positioned blade within the handle structure. The user simply needs to insert the cigar and push it through the pre-configured path, eliminating the need for precise manual control during the cutting action itself.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The device is designed to be self-aligning and self-guiding, where the cigar wrapper naturally follows the guide channels into the blade's cutting path. The structure itself provides the precision alignment without requiring the user to manually position or control the cutting angle.

Inventive Principle:
Principle #25Self-service

3Device complexity

If a fixed-size cutter is used, then the structure is simple, but the adaptability to various cigar sizes is limited

Engineering Contradiction:
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The device incorporates dynamic elements where the blade can be moved along the handle axis to different positions, and the handle can be adjusted to accommodate different cigar diameters. This dynamic adjustability maintains structural simplicity while providing versatility across various cigar sizes.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The device achieves universality by designing a single handle structure that can accommodate multiple blade types and cigar sizes. The guide channels and blade mounting system are configured to work with various diameters, making one device capable of handling multiple functions and sizes without requiring separate tools.

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

4Adaptability or versatility

If a removable blade is implemented, then the adaptability and safety are improved, but the device complexity increases

Engineering Contradiction:
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The blade is segmented from the handle as a separate, replaceable component. The blade carrier mechanism provides a simple interface for removing and replacing blades without requiring complex tools or procedures. This segmentation improves adaptability while keeping the added complexity minimal through straightforward mechanical interfaces.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS10278420B2Bidirectional cigar splitter
Publication Date: 2019.05.07
  • US10278420B2 patent drawing
  • US10278420B2 patent drawing
  • US10278420B2 patent drawing

AI summary

An improved size adaptable cigar splitting apparatus comprising and outer body and an inner size adapting sleeve adapted to be slidingly engaged therewith and further comprising a cutting blade for splitting the wrapper and, if present, packaging of a cigar, cigarillo or other smoking device. In a preferred embodiment, the inner size adapting sleeve may be cylindrical in shape and is removable, allowing the invention to be adapted to various sizes of smoking devices. The cigar splitter apparatus of the invention is adapted to receive smoking devices of various diameters which include all common diameters of smoking devices currently in use. The cutting blade is adapted to be removable and replaceable. The improved size adaptable cigar splitter apparatus of the invention may further comprise a lanyard tang adapted to receive a necklace, lanyard, or similar structure to facilitate ease of carrying.