Angle-Adjustable Swingable Smith Machine Frame
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Solution Overview
Problem
Conventional Smith machines are limited in muscle stimulation due to fixed angles, can cause uneven muscle development and potential health issues like scoliosis due to lack of adjustability and leveling, and often have worn-out grips that prevent precise barbell handling.
Innovation Solution
An angle-adjustable and swingable Smith machine design featuring a frame with a swing portion, guide rails, and adjustable components that allow for varying angles and leveling, along with sensors and display panels for precise operation, enabling users to set desired muscle areas and ensure symmetrical exercises.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional Smith machine is fixed at a single angle, then the structure is simple and stable, but the ability to stimulate different muscle areas is limited
Solution Approach 1:
The Smith machine frame is designed to be dynamically adjustable in angle rather than fixed. The frame can be inclined at various angles (0 degrees, 30 degrees, 45 degrees, 60 degrees) to target different muscle groups, transforming a static structure into a dynamic one that adapts to different exercise requirements.
Solution Approach 2:
The inclination angle of the frame is changed as a key parameter to achieve different exercise effects. By adjusting the angle parameter, the same machine can stimulate different muscle areas (chest, shoulders, triceps) without changing the fundamental structure, thus improving versatility while controlling complexity.
2Reliability
If a conventional Smith machine lacks leveling adjustment, then the structure is simple, but the barbell cannot be leveled according to bottom surface conditions causing exercise leaning
Solution Approach 1:
The Smith machine incorporates adjustable leveling mechanisms that allow the frame to be tilted forward or backward to compensate for uneven floor surfaces. This dynamic adjustment capability ensures the barbell remains horizontal during exercise, preventing leaning and ensuring symmetrical muscle development.
Solution Approach 2:
The leveling adjustment mechanism provides feedback-based correction for uneven surfaces. Users can observe the barbell alignment and adjust the frame inclination accordingly, creating a feedback loop that ensures proper exercise form and prevents asymmetric loading.
3Measurement precision
If indicating portions on the barbell wear out, then the structure remains simple, but precise gripping intervals cannot be determined
Solution Approach 1:
The patent replaces worn mechanical indicating portions (paint, stickers) with electronic display indicators on the barbell. These electronic indicators provide persistent, high-visibility markers for grip positions that do not wear out, ensuring long-term measurement precision without requiring complex mechanical replacement systems.
Solution Approach 2:
The barbell incorporates color-changing or illuminated indicators that provide high-contrast visual markers for grip positions. These indicators maintain their visibility over time unlike painted markers that wear off, allowing users to consistently identify precise grip intervals.
4Measurement precision
If the bench cannot be centered precisely, then the structure is simple, but uneven muscle development occurs due to asymmetric exercise
Solution Approach 1:
The patent replaces mechanical centering indicators with electronic display systems that show the bench position relative to the center of the Smith machine. This electronic indication system provides precise feedback for centering the bench without requiring complex mechanical alignment mechanisms.
Solution Approach 2:
The centering mechanism incorporates feedback indicators that show whether the bench is properly centered. Users can adjust the bench position based on this feedback until the indicators show proper alignment, ensuring symmetric exercise execution and preventing uneven muscle development.
Data Source
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AI summary
Disclosed is an angle-adjustable and swingable Smith machine. The present invention comprises: a frame part for forming an exercise space; a swing part which is disposed in the exercise space and is connected to the frame part; a guide part which is integrally coupled to the swing part and performs a swing operation together with the swing part; a rail part, which is installed on the upper end of the frame part, for guiding the movement of the swing part, and setting or fixing the angle of the swing part; an angle adjustment part for adjusting the angle of the swing part by interworking with the rail part; and a barbell part which is coupled to the guide part so as to ascend and descend.