Size-Adaptable Cigar Splitter with Removable Sleeve

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Solution Overview

Problem

Cigar smokers lack a safe and precise tool for making length-wise splits in cigar or cigarillo wrappers, often resorting to dangerous methods like pocket knives, which can damage the smoking device and ruin the wrapper, a crucial flavor component.

Innovation Solution

A size-adaptable cigar splitting apparatus with a removable sleeve and a single blade that can slice through both the wrapper and packaging, allowing for precise and safe splitting of cigars and cigarillos of varying diameters, featuring a lanyard attachment for easy carrying.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If pocket knives or razors are used to split the wrapper, then the splitting action can be performed, but the user safety is compromised and the wrapper may be damaged

Engineering Contradiction:
Improvewrapper splitting capabilityVSAvoiduser safety and wrapper integrity
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The device segments the splitting function into a dedicated apparatus with a fixed blade mechanism, separating the cutting action from the holder body. This allows the blade to be exposed only when needed and automatically retracted, eliminating safety hazards while maintaining splitting capability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device introduces an intermediary mechanism (the holder body with blade retention structure) that mediates between the user's hand and the sharp blade. The blade is held in a fixed position within the holder, allowing contact with the wrapper while preventing direct hand contact with the sharp edge, thus ensuring safety and preserving wrapper integrity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If a fixed blade design is used, then the structure is simple, but it cannot adapt to various cigar sizes

Engineering Contradiction:
Improveblade structure simplicityVSAvoidcompatibility with different cigar diameters
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The device implements dynamics by making the blade position adjustable relative to the holder body. The blade can be moved along the longitudinal axis to different positions, allowing adaptation to various cigar diameters. This dynamic adjustment capability maintains simplicity while providing versatility for different smoking device sizes.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If the blade is always exposed, then the splitting function is readily available, but the risk of accidental cutting increases

Engineering Contradiction:
Improveaccessibility of splitting functionVSAvoidaccidental cutting risk
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The device applies preliminary action by providing a button mechanism that must be pressed to expose the blade. The blade remains covered in its default state, and only becomes accessible when the user intentionally activates the button. This preliminary action requirement prevents accidental exposure and cutting while maintaining ready access when needed.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentUS9486012B2Size-adaptable cigar splitter apparatus
Publication Date: 2016.11.08 SPURLING GEORGE
  • US9486012B2 patent drawing
  • US9486012B2 patent drawing
  • US9486012B2 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 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.