Skateboard Truck Replaceable Hanger Design
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Solution Overview
Problem
Existing skateboard trucks lack a straightforward method for replacing worn hangers, limiting the ability to modify the skateboard's characteristics for different uses without replacing the entire truck.
Innovation Solution
A skateboard truck design featuring a replaceable hanger with threaded apertures for machine screws and grub screws, allowing easy attachment and detachment from a bushing support, enabling hanger replacement and length adjustment for various applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the hanger is made replaceable with threaded apertures and machine screws, then the ease of repair and adaptability are improved, but the device complexity increases due to additional fastening components
Solution Approach 1:
The hanger is designed as a separate, replaceable component from the bushing support, allowing the hanger to be removed and replaced independently. The threaded apertures in the hanger enable attachment to the bushing support through machine screws, creating a modular assembly that can be easily serviced without replacing the entire truck.
Solution Approach 2:
The hanger is extracted as a distinct component with dedicated threaded apertures for fastening to the bushing support. This extraction allows the hanger to be removed and replaced separately, improving ease of repair while maintaining a relatively simple fastening mechanism through standard machine screws and washers.
2Adaptability or versatility
If the hanger length can be changed for different applications, then the adaptability is improved, but the device complexity increases due to multiple hanger options and fastening mechanisms
Solution Approach 1:
The hanger is designed as a modular component with standardized threaded apertures that can be attached to the bushing support at different positions. This segmentation allows users to select hangers of different lengths and configurations based on their specific needs (acrobatic vs. non-acrobatic use) while using the same fastening mechanism.
Solution Approach 2:
The threaded aperture design provides universal compatibility between hangers and bushing supports, allowing the same fastening mechanism to accommodate hangers of various lengths and types. This multi-functionality enables a single truck platform to serve different applications by simply changing the hanger component.
3Reliability
If machine screws with lock washers are used to secure the hanger to the bushing support, then the reliability is improved, but the ease of operation decreases due to additional assembly steps
Solution Approach 1:
The fastening mechanism is extracted as a separate assembly of machine screws and lock washers that can be independently selected and installed. This allows for reliable attachment through the lock washer design while maintaining straightforward installation procedures for users familiar with basic fastening operations.
Solution Approach 2:
The lock washers are designed as simple, inexpensive components that provide reliable locking action through their elastic deformation when tightened. These basic fastening elements ensure secure attachment without requiring complex locking mechanisms, balancing reliability with ease of operation.
Data Source
AI summary
A skateboard truck and hanger therefor, the skateboard truck including a base plate, a bushing support, and a hanger which is dimensioned for removable securement to the bushing support. The hanger is preferably removably secured to the bushing support by means of machine screws passing through openings in the bushing support for threaded engagement in threaded openings within the hanger.