Telescopic Seating Riser Guidance for Binding-Free Deployment

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Solution Overview

Problem

Existing portable seating systems face challenges in efficiently deploying and retracting seating risers between storage and use positions, particularly on uneven or slick surfaces, and require manual intervention to prevent binding and misalignment during movement.

Innovation Solution

A seating system with a powered telescopic design featuring a belt drive system and a controller with a laser/sensor feedback loop to guide and lock the risers, ensuring smooth deployment and retraction while preventing binding and misalignment, and a lock assembly for secure positioning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If manual intervention is used to deploy and retract seating risers, then binding and misalignment can be prevented through operator attention, but labor intensity and operational time increase

Engineering Contradiction:
Improveprevention of binding and misalignmentVSAvoidoperational time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system uses self-aligning rollers with channels that automatically guide and align adjacent risers during deployment and retraction. The rollers prevent binding through their design, eliminating the need for manual intervention to prevent misalignment while maintaining reliable operation throughout the movement process.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical intervention with an automated roller guide system. The rollers incorporate channels that mechanically guide the risers into proper alignment automatically, substituting human operators with a self-regulating mechanical guidance system that prevents binding and misalignment without requiring manual attention.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Volume of moving object

If seating risers are designed to telescope for portability, then storage efficiency improves, but structural stability during movement deteriorates

Engineering Contradiction:
Improvestorage spaceVSAvoidstructural stability during movement
Core Design Contradiction:
Volume of moving objectVSStability of the object's composition

Solution Approach 1:

The roller guide assembly acts as an intermediary mechanism between telescoping risers during movement. The rollers with channels provide a mediating guidance system that maintains proper alignment and stability during the telescoping and deployment processes, enabling both compact storage and stable operation without compromising structural integrity.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system employs dynamic alignment through rollers that can accommodate movement while maintaining proper riser alignment. The roller design allows for controlled movement during telescoping and deployment while preventing binding and misalignment, adapting to the changing structural configuration as risers transition between stored and deployed states.

Inventive Principle:
Principle #15Dynamics

3Speed

If automated belt drive systems are implemented, then deployment speed increases, but system complexity increases

Engineering Contradiction:
Improvedeployment speedVSAvoidsystem complexity
Core Design Contradiction:
SpeedVSDevice complexity

Solution Approach 1:

The patent combines the belt drive system with the roller guide assembly into an integrated mechanism. The rollers are incorporated as part of the belt drive structure, merging the driving function with the alignment and guidance functions. This integration reduces overall system complexity while maintaining automated deployment capability, as the same structural elements perform multiple functions simultaneously.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS8484903B2Seating system
Publication Date: 2013.07.16 STAGERIGHT CORP
  • US8484903B2 patent drawing
  • US8484903B2 patent drawing
  • US8484903B2 patent drawing

AI summary

An example of the disclosed seating system includes a plurality of seating risers configured to telescope relative to one another. A roller guide assembly guides movement of the risers, and a lock assembly locks a lower level riser relative to a higher level riser when in a deployed position.