Horizontal Pendulum Squat Counterweight for Knee and Back Relief

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Solution Overview

Problem

Existing pendulum squat exercises require users to lift their own body weight, which can be limiting and cause strain on the knees and back, especially for certain individuals.

Innovation Solution

A horizontal pendulum squat system that positions the user beneath a weight pivoting system, allowing for customizable weight resistance without lifting body weight, reducing strain on the knees and back, and enabling unilateral movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If users perform traditional pendulum squat exercises by lifting their own body weight, then the exercise engages muscle effectively, but it causes strain on the knees and back and limits accessibility for certain individuals

Engineering Contradiction:
Improveadaptability to different user needsVSAvoidstrain on knees and back
Core Design Contradiction:
Adaptability or versatilityVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a counterweight mechanism that offsets the user's body weight during the pendulum squat exercise. By positioning counterweights on the opposite side of the pivot point from the user's feet, the system creates a balanced lever system where the counterweight compensates for the user's body weight, eliminating the need for users to lift their entire body weight and thereby reducing strain on knees and back while maintaining exercise effectiveness

Inventive Principle:
Principle #8Anti-weight (Counterweight)

2Adaptability or versatility

If users must lift their own body weight during pendulum squats, then the exercise provides resistance, but it limits the ability to customize resistance levels for different physical needs

Engineering Contradiction:
Improvecustomizable resistanceVSAvoidlimitation for certain individuals
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent implements a dynamic resistance system where the counterweight can be adjusted to different positions along the weight arm, and additional removable weights can be added to the counterweight platform. This allows the resistance level to be dynamically customized for each user's specific physical needs, making the exercise accessible to individuals with varying strength levels and physical capabilities

Inventive Principle:
Principle #15Dynamics

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

The system provides effective muscle engagement while minimizing spinal and knee stress, offering customizable resistance through adjustable weights and unilateral exercise options.

Implementation Method 1

a weight pivoting system supported by the cross bar and configured to rotate at one or more connection points with the cross bar

Methodology Applied
Scientific EffectGravitation: Gravitation

Implementation Method 2

The weight pivoting system includes one or more weight arms connected at the one or more connection points such that the one or more weight arms can rotate about the one or more connection points

Methodology Applied
Scientific EffectLever: Lever

Data Source

PatentUS12533551B2Horizontal pendulum squat system
Publication Date: 2026.01.27 BULLETPROOF FITNESS EQUIP INC
  • US12533551B2 patent drawing
  • US12533551B2 patent drawing
  • US12533551B2 patent drawing

AI summary

A horizontal pendulum squat system includes a frame structure having at least one or more bottom members and one or more substantially vertical members supporting a cross bar; a weight pivoting system supported by the cross bar to rotate at one or more connection points with the cross bar, the weight pivoting system having weight arms connected at the connection points such that the weight arms can rotate about the connection points; and at least one platform coupled to the weight arms, the at least one platform is to receive a user applied force; a bench positioned substantially underneath the weight pivoting system; the platform is positioned to receive the user applied force while the user is lying on the bench and applying the force with their legs and feet against the platform; and the weight pivoting system rotates around the connection points during repetitive motion by the user.