Magnetic Slide Rod Retention for Easier Food Slicer Cleaning

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Solution Overview

Problem

Existing food slicers with permanent or complex slide rod attachments complicate cleaning and installation, increasing manufacturing costs and operational difficulty.

Innovation Solution

A magnetic retention system for the slide rod allows for easy removal and attachment, utilizing a magnet to hold the slide rod in place on the carriage assembly, enabling simple cleaning and quick assembly/disassembly.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a threaded rod or permanently attached meat grip assembly slide rod is used, then the slide rod is securely retained, but the cleaning process becomes more difficult and time-consuming

Engineering Contradiction:
Improvecleaning easeVSAvoidslide rod retention
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The patent replaces the traditional mechanical retention system (threaded connections or permanent attachment mechanisms) with a magnetic retention system. The magnetic force provides sufficient holding strength to secure the slide rod during operation, while allowing simple removal by overcoming the magnetic force, thereby facilitating easy cleaning without complex disassembly procedures.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the retention mechanism from a mechanical interlocking system to a magnetic field-based system. This parameter change allows the slide rod to be securely held during use through magnetic attraction, while enabling easy removal by applying a simple pulling force that overcomes the magnetic retention, thus improving cleaning ease.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If a removable slide rod with complex retention mechanisms (spring-biased pin, flexing retention clip, or threaded attachment) is used, then the slide rod can be removed for cleaning, but the manufacturing complexity and cost increase

Engineering Contradiction:
Improveslide rod removalVSAvoidretention mechanism complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical retention mechanisms (such as spring-biased pins, flexing retention clips, or threaded attachments) with a simple magnetic retention system. This substitution maintains the ability to remove the slide rod for cleaning while significantly reducing the mechanical complexity and manufacturing cost of the retention mechanism.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent extracts the retention function from complex mechanical components and implements it through a simple magnetic field. This extraction eliminates the need for additional mechanical parts such as pins, clips, or threads, thereby reducing device complexity while preserving the removable feature for cleaning purposes.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of manufacture

If a permanently attached slide rod is used, then manufacturing is simpler, but cleaning requires removing a larger portion of the meat grip

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidcleaning accessibility
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

The patent replaces permanent mechanical attachment with magnetic retention, enabling the slide rod to be easily removed for cleaning without requiring removal of larger portions of the meat grip assembly. This maintains manufacturing simplicity while dramatically improving cleaning accessibility.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Facilitates easier cleaning and quicker breakdown of the slicer, enhancing user convenience and reducing complexity and costs associated with slide rod handling.

Implementation Method 1

The slide rod is releasably retained to the carriage assembly by a magnetic retention force to allow for removal of the slide rod for cleaning.

Methodology Applied
Scientific EffectMagnetic force: Magnetism

Data Source

PatentUS20250353205A1Food product slicer with removable meat grip assembly slide rod
Publication Date: 2025.11.20 ILLINOIS TOOL WORKS INC
  • US20250353205A1 patent drawing
  • US20250353205A1 patent drawing
  • US20250353205A1 patent drawing

AI summary

A food product slicer includes a base, a knife mounted for rotation relative to the base, a carriage assembly mounted to the base for reciprocal movement back and forth past a cutting edge of the knife, wherein the carriage includes a tray for holding food product during slicing, and a movable gauge plate for varying a thickness of food product slices. A slide rod is releasably connected to the carriage assembly, and a meat grip assembly is mounted on the slide rod so as to be movable along at least a portion of a length of the slide rod. The slide rod is releasably retained to the carriage assembly by a magnetic retention force to allow for removal of the slide rod for cleaning.