Tapered Isolating Element for Baseball Bat Vibration Control
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Solution Overview
Problem
Current baseball and softball bats face challenges with high production costs, complex constructions, long lead times, and inadequate shock absorption, leading to excessive vibration during off-center impacts.
Innovation Solution
A ball bat design featuring a handle portion, a barrel portion, and an injection molded element that non-removably attaches to the handle member, with a tapered proximal region and barrel engaging region, providing a customizable and cost-effective solution with improved shock absorption through a tubular insert and rib structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex construction methods and materials are used, then durability and performance are improved, but production cost and manufacturing complexity increase
Solution Approach 1:
The bat is divided into separate handle portion and barrel portion that can be manufactured independently using different materials and processes, then joined together. This allows each component to be optimized for its specific function while simplifying overall manufacturing complexity compared to monolithic construction.
Solution Approach 2:
The invention uses composite construction with the handle portion made of one material (e.g., wood or composite) and the barrel portion made of another material (e.g., aluminum or composite), creating a multi-material bat that achieves superior durability and performance characteristics through material diversity.
2Reliability
If multiple materials and compositions are incorporated, then performance and durability are improved, but manufacturing cost and production time increase
Solution Approach 1:
By segmenting the bat into separate handle and barrel portions that can be manufactured independently, the invention enables parallel production processes. Different materials can be used for each component without delaying the other, significantly reducing overall production lead time compared to sequential manufacturing of monolithic bats.
Solution Approach 2:
The invention incorporates visual indicators such as color coding or markings on the handle portion or barrel portion to identify material composition and manufacturing characteristics. This allows for rapid quality verification and inventory management without adding significant manufacturing complexity.
3Ease of manufacture
If traditional bat construction is used, then manufacturing simplicity is maintained, but shock and vibration reduction is insufficient
Solution Approach 1:
The invention introduces an intermediary element or interface between the handle portion and barrel portion that acts as a shock-absorbing mediator. This intermediate structure reduces the transmission of vibration and shock from the barrel to the handle, protecting the player's hands while maintaining manufacturing simplicity through modular assembly.
Solution Approach 2:
The invention modifies physical parameters such as the diameter, wall thickness, or material properties of the handle portion or barrel portion to optimize shock absorption characteristics. By adjusting these parameters, the bat reduces vibration transmission without significantly complicating the manufacturing process.
4Reliability
If customized bat options are provided, then player performance is improved, but inventory complexity and retail difficulty increase
Solution Approach 1:
The invention segments the bat into modular components (handle portion, barrel portion, and interchangeable elements) that can be independently selected and assembled. This modular approach enables extensive customization options for different player needs and performance requirements while simplifying inventory management through standardized component libraries rather than requiring entirely different bat models.
Solution Approach 2:
The invention creates universal interface standards and standardized connection mechanisms that allow the same handle portion or barrel portion to work with multiple different elements or attachments. This multi-functionality enables a single component to serve multiple purposes, reducing the total number of unique parts needed while providing diverse customization options.
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 design reduces vibration and shock energy transfer, offering exceptional performance, durability, and customization options while reducing production costs and lead times, enhancing player feel and bat design flexibility.
Implementation Method 1
The element reduces vibration and shock energy transfer
Implementation Method 2
providing a customizable and cost-effective solution with improved shock absorption
Data Source
AI summary
A ball bat extending about a longitudinal axis. The bat includes a handle portion, a barrel portion and an injection molded element non-removably attached to the handle member. The barrel portion has a proximal region and a distal region spaced apart by a central region. The element has a tapered proximal region and barrel engaging region. The barrel engaging region of the element non-removably engages the proximal region of the barrel portion. The bat has a total length measured from a proximal end of the handle portion to a distal end of the barrel portion. The handle portion has a length that is less than 70 percent of the total length.