Ball Rebounder Angle Adjustment and Net Tension Assembly

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Solution Overview

Problem

Existing elastic training equipment, such as ball rebounders and trampolines, are difficult to assemble, have fixed trajectories, and often cause unpredictable ball rebounds due to contact with support crossbars, limiting their versatility and effectiveness for various athletic training activities.

Innovation Solution

A rebounder system with an adjustable angle between a target and support portion, secured by a net attachment tool and net hooks, allowing customizable trajectories and preventing ball contact with the support crossbar, along with a net attachment tool for easy assembly and configuration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the net or mesh is made tighter to increase elasticity and bouncing effectiveness, then the training effectiveness is improved, but the difficulty of assembly increases due to increased tension when stretched

Engineering Contradiction:

Improvebouncing effectivenessVSAvoiddifficulty of assembly

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The frame is divided into multiple segments (target portion, support portion, crossbars) that can be assembled separately. The net is attached to individual frame segments rather than requiring simultaneous attachment to the entire frame structure, reducing the tension burden during assembly.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The frame structure is pre-assembled and positioned before the net is attached. This preliminary arrangement of the frame allows the net to be stretched and secured to already-positioned attachment points, making the high-tension net attachment process more manageable.

Inventive Principle:

Principle #10Preliminary action

2Adaptability or versatility

If the angle between target portion and support portion is fixed, then the structure is simpler, but the versatility for different training activities is reduced

Engineering Contradiction:

Improvetrajectory customizationVSAvoidangle adjustment mechanism

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The angle between the target portion and support portion is made adjustable rather than fixed. This dynamic configuration allows users to change the rebound trajectory according to different training needs, transforming a static structure into an adaptable one.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The adjustable angle mechanism enables the same rebounder to perform multiple training functions by changing its configuration. Different angles can be set for different training activities, making the device universal rather than specialized for a single purpose.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Strength

If the support crossbar is positioned closer to the net to provide structural support, then the structural integrity is improved, but the ball may contact the support crossbar causing unpredictable rebounds

Engineering Contradiction:

Improvestructural integrityVSAvoidrebound predictability

Core Design Contradiction:

StrengthVSReliability

Solution Approach 1:

The support crossbar is extracted or removed from the immediate vicinity of the net's bouncing surface. By positioning the support crossbar farther away or reconfiguring the support structure, the harmful interference with ball rebound is eliminated while maintaining structural integrity through alternative support arrangements.

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The support structure is reconfigured so that elements that could potentially interfere with ball rebound are positioned to provide support without contact. The support crossbar serves its structural function while being positioned such that it becomes part of the beneficial support system rather than a source of harmful interference.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 enables easy assembly, customizable trajectories, and reliable ball rebounds, enhancing the versatility and effectiveness of training equipment for multiple athletic activities.

Implementation Method 1

The elasticity of the ball rebounders is typically achieved with an elastic or flexible component, such as a net or mesh

Methodology Applied

Scientific EffectElasticity: Elasticity

Implementation Method 2

The net attachment tool increases leverage for manual securement of the net to the target portion

Methodology Applied

Scientific EffectMechanical Advantage: Mechanical Advantage

Data Source

PatentUS12569737B2Rebounder systems and methods

Publication Date: 2026.03.10 PARKLIFE INNOVATIONS LTD

AI summary

Elastic athletic systems, including ball rebounder systems, and methods for assembly and use. A ball rebounder system includes a frame having a target portion and a support portion, a net, and a net attachment tool. The net attachment tool increases leverage and may be used to tightly secure the net to the target portion, and an angle between the target portion and the support portion may be adjusted with a foot pedal such that the net rebounds a ball at a higher or lower trajectory depending on the angle. A lower crossbar of the frame may include a plurality of net hooks that secure the net in a forward position such that the ball does not contact the lower crossbar during use. The ball rebounder system may be used to rebound the ball to an athlete as part of training.