Shock End Loop Design to Counteract Side Loads and Bending Torque

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Solution Overview

Problem

Existing shock absorbers in vehicles are prone to damage due to excessive side loads, leading to ineffective wheel bounce damping and compromised ride quality, as the shaft can break off under significant forces, disrupting the optimal resistance required for effective damping.

Innovation Solution

A shock end loop that securely engages with the shaft of a shock absorber, featuring a body portion and neck portion with a locking assembly and internal threads, designed to counteract side loads and bending torque, ensuring the shaft remains firmly secured and preventing breakage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If the shaft is directly engaged with the shock absorber body, then the structure is simple, but the shaft breaks under side loads and bending torque

Engineering Contradiction:
Improveshaft strengthVSAvoidshock absorber structure
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The shock end loop is divided into distinct functional segments: a body portion for mounting, a neck portion for shaft engagement, and internal threading for secure attachment. This segmentation allows each part to optimize its specific function while distributing stress away from the shaft.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The shock end loop acts as an intermediary component between the shaft and the shock absorber body. It absorbs and redirects side loads and bending torque through its structured design, protecting the shaft from direct exposure to these harmful forces.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the shaft is secured with a simple connection, then the assembly is easy to manufacture, but the connection fails under excessive forces

Engineering Contradiction:
Improveconnection reliabilityVSAvoidassembly manufacturing
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The internal threads are pre-formed in the shock end loop body, allowing the shaft to be securely attached during assembly without requiring complex field modifications. This preliminary preparation ensures reliable connection while maintaining manufacturing simplicity.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The shock end loop combines different material properties and structural features (threaded sections, smooth neck portions, mounting interfaces) to create a composite structure that achieves both high reliability under load and ease of manufacturing through standard fabrication processes.

Inventive Principle:
Principle #40Composite materials

Data Source

PatentUS11807059B1Shock end loop
Publication Date: 2023.11.07 SHOCK THERAPY SUSPENSION INC
  • US11807059B1 patent drawing
  • US11807059B1 patent drawing
  • US11807059B1 patent drawing

AI summary

A shock end loop for use with a shock absorber having a shaft is provided. A shock end loop according to various aspects of the present technology may include a body portion adapted for engagement with a threaded end of the shaft. The shock end loop may also include a neck portion coupled to the body portion and extending upward therefrom and adapted for engagement with the shaft for firmly securing and supporting the shaft to counteract a side load or bending torque that is exerted on the shaft by the vehicle.