Pilates Rail System Upper Adjustment Mechanism

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Solution Overview

Problem

Existing pilates exercise devices, such as 'ladder barrel' and 'chair barrel', require users to bend down and use both hands to adjust the fixing pins, making the adjustment process cumbersome and difficult.

Innovation Solution

A mechanism that allows adjustment from the upper portion of the device, using a novel rail system with an adjusting rod and movement transmission bar to transfer movement to the lower portion, enabling adjustments without bending down.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the adjusting mechanism is placed at the lower portion of the rail, then the fixing pins can be accessed, but the user must bend down and use both hands making adjustment difficult

Engineering Contradiction:

Improveadjustment operationVSAvoidadjustment mechanism configuration

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The patent inverts the conventional approach by placing the adjusting mechanism at the upper portion of the rail instead of the lower portion. The adjusting rod is located at the top end of the rail, allowing users to perform adjustments from above without bending down, thus improving ease of operation while maintaining the same fixing function.

Inventive Principle:

Principle #13The other way round (Inversion)

Solution Approach 2:

The patent introduces an intermediary mechanism (the adjusting rod with screw thread and nut assembly) that mediates between the user's adjustment action and the fixing pin movement. This intermediary allows the adjusting rod to convert rotational motion into linear motion, enabling precise control of the fixing pin position without requiring direct manual manipulation at the lower portion.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of operation

If a rotating shaft is extended through the edge to fix on the rail mechanism, then the rail can be clamped and loosened, but the structure becomes more complex

Engineering Contradiction:

Improverail clamping operationVSAvoidrotating shaft structure

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The patent extracts the essential clamping function from a complex rotating shaft structure and implements it through a simpler adjusting rod mechanism. The adjusting rod with its screw thread and nut assembly provides the necessary clamping and loosening capability without requiring an extended rotating shaft, thus reducing structural complexity while maintaining operational ease.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS11511150B2Rail system in pilates exercise devices

Publication Date: 2022.11.29 BASI SYST PILATES SANAYI TICARET ANONIM SIRKETI

AI summary

The exercise device of the invention includes a rail carrier body, at least one fixed body in contact with the rail carrier body, at least one rail located on the rail carrier body, at least one movable body located on the rail, at least one adjusting rod located on the upper portion of the movable body and at least one transmission bar which is in contact with the adjusting rod and transmits the rotary motion on the adjusting rod to the fixing pin or rail.