Extendable Safety Handle for Benches with Rotating Telescopic Stanchion

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Solution Overview

Problem

There is a need for a safety device that assists mobility on and off a workbench, particularly one that can easily rotate between a collapsed and deployed position to accommodate varying user needs and provide stability during these actions.

Innovation Solution

An extendable safety handle for benches comprising a pedestal structure and a telescopic stanchion that rotates between a collapsed and deployed position, with a locking mechanism and compression spring to secure the stanchion in place, forming a mobility assistance device.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If the safety handle is made extendable and rotatable between collapsed and deployed positions, then mobility assistance and adaptability are improved, but device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The safety handle is designed to be dynamic rather than static, allowing it to rotate between a collapsed position (against the bench) and a deployed position (extended outward). This dynamic capability enables the handle to adapt to different user needs and mobility assistance requirements while maintaining a compact form when not in use.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The handle assembly is segmented into multiple functional components: a pedestal structure attached to the bench, a rotatable stanchion, and a telescopic extendable handle. This segmentation allows each component to perform its specific function independently while contributing to the overall adaptability of the system.

Inventive Principle:
Principle #1Segmentation

2Ease of operation

If the stanchion is made rotatable between collapsed and deployed positions, then ease of operation is improved, but reliability may worsen due to moving parts

Engineering Contradiction:
Improveease of operationVSAvoidreliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The stanchion incorporates a spring-loaded detent mechanism that automatically engages to lock the handle in either the collapsed or deployed position. This self-service feature ensures reliable positioning without requiring user intervention, maintaining both ease of operation and reliability by preventing accidental movement while allowing intentional position changes.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

A detent mechanism acts as an intermediary between the movable stanchion and the fixed pedestal structure. This intermediary component provides controlled movement by allowing the stanchion to rotate freely until it reaches a predetermined position, at which point the detent engages to lock it in place, ensuring both ease of operation and reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If the handle is made telescopic for adjustable length, then adaptability is improved, but device complexity increases

Engineering Contradiction:
ImproveadaptabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The handle employs a telescopic design where one tubular section is nested within another, allowing the handle length to be adjusted by extending or retracting the inner tube relative to the outer tube. This nesting arrangement provides variable length adjustment while maintaining a compact storage configuration and minimizing overall structural complexity.

Inventive Principle:
Principle #7Nested doll (Nesting)

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 device provides enhanced safety and mobility assistance by allowing easy attachment to a workbench, supporting users in standing and sitting with adjustable length, ensuring stability and ease of use.

Implementation Method 1

with a locking mechanism and compression spring to secure the stanchion in place

Methodology Applied
Scientific EffectSpring: Spring

Implementation Method 2

with a locking mechanism and compression spring to secure the stanchion in place

Methodology Applied
Scientific EffectFriction: Friction

Data Source

PatentUS11877968B1Extendable safety handle for benches
Publication Date: 2024.01.23 ROBERTS MARILYN
  • US11877968B1 patent drawing
  • US11877968B1 patent drawing
  • US11877968B1 patent drawing

AI summary

The extendable safety handle for benches is a safety device. The extendable safety handle for benches is a mobility assistance device. The extendable safety handle for benches is configured for use with the bench. The extendable safety handle for benches attaches to the bench. The extendable safety handle for benches rotates between a collapsed position and a deployed position. The extendable safety handle for benches forms a mobility assistance device when deployed. The extendable safety handle for benches rotates and collapses into a collapsed position. The extendable safety handle for benches comprises a pedestal structure and a telescopic stanchion. The pedestal structure attaches the telescopic stanchion to the bench. The telescopic stanchion rotates relative to the pedestal structure. The telescopic stanchion rotates between the deployed position and the collapsed position.