Double Hammock with Divider for Independent Stability

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Solution Overview

Problem

Existing hammock designs fail to stably accommodate two persons independently, as the center of gravity shifts when one person enters or exits, causing instability and discomfort, and lack separate compartments for comfortable separation.

Innovation Solution

A double hammock configuration with two elongate bases and a divider member, supported by a three or four-rope system, allowing each base to maintain stability and independence, with the divider providing separate compartments and storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a single hammock is used to accommodate two persons, then the capacity is improved, but the stability and independence of each occupant deteriorates due to center of gravity shifts

Engineering Contradiction:
Improveoccupant capacityVSAvoidoccupant stability
Core Design Contradiction:
Quantity of substanceVSStability of the object's composition

Solution Approach 1:

The hammock is divided into two separate hammock bases with individual support rope systems, creating independent compartments for each occupant. This segmentation allows each person to maintain stable positioning without being affected by the other's movements or weight shifts.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If one person enters or exits the hammock, then the occupancy flexibility is improved, but the stability of the other occupant deteriorates due to center of gravity disruption

Engineering Contradiction:
Improveoccupancy flexibilityVSAvoidoccupant stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The division into separate hammock bases with independent support systems ensures that actions taken by one occupant (entering, exiting, shifting weight) only affect their own compartment, leaving the other occupant's stability unchanged.

Inventive Principle:
Principle #1Segmentation

3Quantity of substance

If two persons are placed in a hammock, then the capacity is improved, but the comfort and independent positioning deteriorates as persons roll towards each other

Engineering Contradiction:
Improveoccupant capacityVSAvoidoccupant comfort
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

By creating physically separate hammock bases with individual support ropes, the design prevents occupants from rolling toward each other, as each base independently supports and positions its occupant. The divider member further reinforces this separation while allowing both occupants to maintain comfortable positions.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS7627913B2Two-person hammock providing independent stability
Publication Date: 2009.12.08 DUTCH CLIPS LLC
  • US7627913B2 patent drawing
  • US7627913B2 patent drawing
  • US7627913B2 patent drawing

AI summary

A double hammock configured to accommodate two persons, while providing independent stability to both persons occupying the hammock. The hammock includes a first elongate hammock base, a second elongate hammock base, and an elongate divider member attached to both hammock bases so that the divider separates at least the head sections of the hammock bases and extends between them. Each hammock base includes a head section at one longitudinal end, a foot section at an opposite longitudinal end, an outer side section at one side between the head and foot sections, and an inner side section at an opposite side between the head and foot sections. The divider member includes a first side attached to the inner side section of the first hammock base and an opposite second side attached to the inner side section of the second hammock base.