Batting Tee Spiral Ridge Head for Impact Force Distribution
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Solution Overview
Problem
Existing baseball practice batting tees lack adjustability for height and fail to distribute impact forces evenly, leading to fatigue and repetitive stress on the tee, especially when used by athletes of varying heights and skill levels.
Innovation Solution
A baseball practice batting tee with adjustable height using finite detents or shaft friction, and a flexible head with a spiral ridge to distribute impact forces and prevent stress concentration, allowing for rotation and elongation to accommodate different striking styles and heights.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the batting tee uses a fixed rigid structure, then it provides stable ball positioning, but it cannot accommodate athletes of varying heights and accumulates repetitive stress from impact
Solution Approach 1:
The batting tee is divided into multiple telescoping tube sections (first tube, second tube, third tube) that can slide relative to each other, allowing independent adjustment of height segments. This segmentation enables height adaptability while keeping each individual tube section structurally simple
Solution Approach 2:
The batting tee transitions from a fixed rigid structure to a dynamically adjustable structure using telescoping tubes with movable sections. The upper tube can be positioned at different heights along the lower tube, and the flexible head allows dynamic response to impact forces, resolving the contradiction between stability and adaptability
2Reliability
If the batting tee uses a flexible head, then it distributes impact forces and reduces fatigue, but it increases device complexity
Solution Approach 1:
The batting tee incorporates a flexible head made from elastomeric material that can bend and deform under impact forces. This flexible head absorbs and distributes stress across multiple impact points, preventing fatigue failure while maintaining a relatively simple overall structure
Solution Approach 2:
The flexible head changes its physical parameters (shape, orientation) in response to impact forces, allowing it to absorb energy through deformation. This parameter change enables the head to distribute impact forces effectively without requiring complex internal mechanisms
3Reliability
If the batting tee allows rotation, then it reduces stress concentration from repetitive bending, but it may compromise stability
Solution Approach 1:
The batting tee allows controlled rotation and movement of the upper tube relative to the lower tube through telescoping mechanisms. This dynamic capability enables stress distribution through rotational movement while the telescoping structure maintains positional stability during normal use
Solution Approach 2:
The batting tee changes its orientation parameter through rotation, allowing the head to realign after impact. This parameter change distributes stress across different bending planes while the telescoping mechanism maintains overall structural stability
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 tee provides consistent height adjustment and reduces fatigue by distributing impact forces, accommodating athletes of all levels and preventing damage from mis-hits, ensuring durability and effective practice.
Implementation Method 1
The flexible head is formed with a spiral ridge. The spiral ridge prevents folding of the head at only one point. The spiral ridge further imparts a slight rotation to the shaft as flexible head bends forward or backward from the impact of the ball.
Implementation Method 2
The mechanism can be from finite detents with a pin in a hole or from a shaft frictionally being maintained in the tube.
Data Source
AI summary
Improvements in a baseball practice batting tee that allows a person to strike a baseball off the top of the tee. The height of the tee can be from one or more adjustment mechanisms. The mechanism can be from finite detents with a pin in a hole or from a shaft frictionally being maintained in the tube. The top of the batting tee is formed with a spiral ridge to slightly rotate when a ball is struck off the top of the tee. The rotation allows the impact forces from impact with a baseball bat to be distributed from different directions on the top of the tee. The height adjustment is with an expandable washer that slides in a honed tube that has a constant diameter along the length of the tube to maintain a constant force to maintain the height of a ball.