Headrest Hook Hanger with Rotating Stand and Latch

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Solution Overview

Problem

The initial headrest hook hanger design faced issues such as a lack of grip around the rod, no latch to secure the clamp, inability to adjust angles, and a prone-to-break hinge under heavy loads, limiting its universality and effectiveness for various automobile headrests.

Innovation Solution

The improved design features an elongated clamp with a latch and handle, rubber inserts with grooves for grip, 360-degree angle rotation, a detachable fastener for safety, and a folding mechanism for storage, addressing the previous issues by enhancing grip, adjustability, safety, and versatility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If a simple clamp design is used, then the device complexity is reduced, but the grip around the rod is insufficient and the clamp cannot be securely locked

Engineering Contradiction:
Improveclamp structureVSAvoidgrip and locking capability
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The clamp is divided into multiple functional components: the elongated clamp body, the latch mechanism, and the handle. This segmentation allows each component to perform its specific function - the clamp body provides the basic holding structure, the latch secures the clamp to the rod, and the handle enables easy operation. This resolves the contradiction by maintaining simplicity while adding necessary functionality for reliable gripping and locking.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The latch acts as an intermediary element between the clamp and the rod, providing a secure connection. The latch wraps around the rod and engages with the clamp, creating a reliable locking mechanism without requiring complex structures. This intermediary component resolves the contradiction by enabling secure locking while keeping the overall design relatively simple.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Manufacturing precision

If a fixed-angle stand is used, then the manufacturing precision is improved, but the adaptability to different headrest angles is reduced

Engineering Contradiction:
Improvestand angleVSAvoidangle adjustment capability
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The stand is designed with rotational capability, transforming it from a fixed-angle component to a dynamic, adjustable component. The stand can rotate to accommodate different headrest angles while maintaining perpendicular orientation to the floor. This dynamic design resolves the contradiction by enabling angle adaptation without compromising manufacturing precision, as the stand can be positioned at various angles as needed.

Inventive Principle:
Principle #15Dynamics

3Strength

If a rigid non-detachable fastener is used, then the strength under load is improved, but the safety during car accidents is reduced due to potential injury from heavy objects

Engineering Contradiction:
Improvefastener strengthVSAvoidinjury risk during accident
Core Design Contradiction:
StrengthVSObject-affected harmful factors

Solution Approach 1:

The fastener is designed to be detachable rather than permanently fixed, allowing it to be removed or released in emergency situations. This dynamic design enables the fastener to maintain strong attachment during normal use while providing a safety mechanism to detach during accidents, preventing heavy objects from causing injury. This resolves the contradiction by enabling both strength and safety through conditional attachment.

Inventive Principle:
Principle #15Dynamics

4Strength

If the stand is fixed and non-folding, then the structural strength is improved, but the ease of storage is reduced

Engineering Contradiction:
Improvestand structureVSAvoidstorage convenience
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The stand incorporates a folding mechanism that allows it to transition between an extended operational position and a compact storage position. When extended, the stand provides full structural support; when folded, it reduces to a compact form for easy storage. This dynamic design resolves the contradiction by maintaining structural strength during use while enabling convenient storage when not in use.

Inventive Principle:
Principle #15Dynamics

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 enhanced headrest hanger provides secure mounting, adjustable positioning, enhanced grip, safety during accidents, and convenient storage, making it more universal and effective for a wide range of automobile headrests.

Implementation Method 1

there is a rubber insert with series of grooves in between the clamp to add grip around the rod

Methodology Applied
Scientific EffectFriction: Friction

Implementation Method 2

the hinge was prone to breaking with a heavy load

Methodology Applied
Scientific EffectHinge: Hinge

Data Source

PatentUS9586529B1Headrest hook hanger
Publication Date: 2017.03.07 SANCHEZ ROY C
  • US9586529B1 patent drawing
  • US9586529B1 patent drawing
  • US9586529B1 patent drawing

AI summary

A headrest hook hanger that clamps to a headrest rod with a hook is attach to a stand that holds upright a dual hook and the stand can rotate at any angle and the elongated clamp has a series of groves for the rod to fit into different position on the clamp and a latch at the end of the clamp holds the two sides of the clamp together and the handle locks the clamp down. The headrest hook hanger mounts to the side of a headrest inside a car, truck, and suv allows the drivers and passenger to hang their hats, caps, coat, and jacket along the side of the headrest.