Stretching apparatus for self stretching muscles of a user's body

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Solution Overview

Problem

Existing stretching machines require manual effort, lack adjustability, and are not user-friendly, failing to accommodate multiple muscle groups and user versatility.

Innovation Solution

A self-operated stretching apparatus with a modular frame, pivotable panel assembly, and powered actuator, allowing users to independently target and elongate back, leg, and abdominal muscles through customizable and ergonomic support.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If manual stretching machines are used, then device simplicity is maintained, but user control precision and stretching comfort deteriorate

Engineering Contradiction:

Improvedevice simplicityVSAvoiduser control precision

Core Design Contradiction:

Device complexityVSEase of operation

Solution Approach 1:

The patent replaces manual mechanical operation with an automated actuator system. The actuator mechanically adjusts the panel assembly position and angle without requiring user manipulation of cranks or levers, thereby improving control precision while maintaining relatively simple device structure through automated control.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The system enables self-directed stretching where the user controls the actuator to automatically adjust the stretching apparatus to desired positions and angles, eliminating the need for manual force application or partner assistance while maintaining ease of operation through user-friendly control interfaces.

Inventive Principle:

Principle #25Self-service

2Device complexity

If single-purpose stretching machines are used, then device complexity is reduced, but adaptability to different muscle groups deteriorates

Engineering Contradiction:

Improvedevice complexityVSAvoidmuscle group coverage

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent designs a universal stretching apparatus where a single device can target multiple muscle groups including back, leg, and abdominal muscles. The modular frame and adjustable panel assembly allow the same basic structure to accommodate different stretching configurations for various muscle groups, achieving multi-functionality without excessive complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The system incorporates dynamically adjustable components including the pivotable panel assembly that can change position and angle to adapt to different stretching requirements. This dynamic adjustability allows one device to serve multiple purposes across different muscle groups while maintaining structural simplicity through standardized mechanisms.

Inventive Principle:

Principle #15Dynamics

3Ease of operation

If assisted stretching is performed, then stretching depth is improved, but independence and convenience deteriorate

Engineering Contradiction:

Improvestretching depthVSAvoiduser independence

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The actuator system replaces the need for manual assistance by mechanically providing the stretching force that would otherwise require a partner or therapist to apply. Users can achieve deep stretches independently by controlling the actuator, which automatically positions the panel assembly to provide appropriate stretching force.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The apparatus enables complete self-directed stretching where users independently control all aspects of the stretching process through the actuator system. The device performs functions that traditionally required external assistance, allowing users to achieve therapeutic stretching depths while maintaining full independence and privacy.

Inventive Principle:

Principle #25Self-service

4Ease of manufacture

If non-modular stretching equipment is used, then manufacturing simplicity is maintained, but adaptability to different body types deteriorates

Engineering Contradiction:

Improvemanufacturing simplicityVSAvoidbody type accommodation

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent employs a modular frame structure that can be configured in different arrangements to accommodate various body types and stretching needs. The modular design allows components to be assembled and adjusted to fit different users while maintaining manufacturing simplicity through standardized modular components that can be produced using conventional manufacturing processes.

Inventive Principle:

Principle #1Segmentation

Data Source

PatentUS12544292B2Stretching apparatus for self stretching muscles of a user's body

Publication Date: 2026.02.10 GUENTHER GREGG M

AI summary

The present invention is a stretching apparatus enabling a user to independently stretch back, leg, and abdominal muscles without assistance. The device includes a rigid modular frame with a detachable base, a pivotable panel assembly with padded arms, and a motorized actuator. The actuator adjusts the angle of the panel under user control via a remote or integrated interface. The apparatus supports multiple user orientations and stretch types through reconfiguration of the panel and frame. Ergonomic padded supports enhance comfort, and the modular design allows for transport, storage, and adaptation across clinical, athletic, and home environments. Programmable features and locking mechanisms enable precision, safety, and repeatable stretching routines. The invention provides a versatile, self-operated system for rehabilitation, fitness, and flexibility training.