Hammock Frame Tensioning and Tool-Free Assembly
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Solution Overview
Problem
Existing hammocks lack adjustable tension in their fabric or mesh support, making it difficult to adapt to user needs, and require complex assembly with specific tools and qualified personnel.
Innovation Solution
A hammock design featuring a fastening and tensioning device with a rod and housing system that allows for adjustable tension and easy assembly/disassembly without screws or specialized tools, using a flexible surface element and lightweight aluminum bars with a safety feature to prevent accidents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the fabric or mesh support has fixed tension, then the structure is simple, but it cannot adapt to user needs or compensate for tension loss over time
Solution Approach 1:
The patent implements a dynamic tensioning system where the fabric or mesh support can be adjusted from a fixed state to a variable tension state. The tensioning device includes a rod that can be positioned at different locations along the longitudinal bars, allowing the tension to be dynamically adjusted based on user needs and compensating for tension loss over time.
Solution Approach 2:
The invention changes the tension parameter of the fabric or mesh support from a fixed value to an adjustable range. By providing a tensioning device with a movable rod and adjustment mechanism, the system allows users to modify the tension parameter according to different usage conditions, user preferences, and to compensate for gradual relaxation.
2Ease of operation
If the longitudinal and transverse bars are secured to the legs using adjustment in a hole and a fastening screw, then the connection is secure, but the assembly and disassembly becomes complicated and requires specific tools
Solution Approach 1:
The patent extracts the fastening screw and complex adjustment mechanism from the connection system. Instead of using screws that require tools, the invention employs a simple insertion system where longitudinal and transverse bars are directly inserted into the legs through openings, eliminating the need for fastening screws and specialized assembly tools.
Solution Approach 2:
The connection system is designed to be self-assembling without requiring external tools or specialized personnel. The bars are equipped with insertion ends that can be directly placed into corresponding openings in the legs, allowing users to assemble and disassemble the structure easily by hand, while the design ensures reliable connection through the geometric fit and friction.
3Adaptability or versatility
If the bed or hammock is designed for factory assembly, then the initial assembly is precise, but the final user cannot quickly assemble or disassemble it or substitute parts
Solution Approach 1:
The patent divides the bed or hammock into modular segments (legs, longitudinal bars, transverse bars, fabric/mesh support) that can be independently manufactured and then easily assembled by the final user. Each component is designed with standardized interfaces (openings and insertion ends) that simplify user assembly while allowing for easy substitution of individual parts without affecting the entire structure.
Data Source
AI summary
The present invention relates to a bed or hammock which comprises four support legs delimiting two longitudinal sides between them, each one of which has longitudinal bars, and two transverse sides which are shorter in length than, and perpendicular to, the previously mentioned sides, a surface element made up of a fabric, mesh, canvas or similar material arranged between the support legs, wherein the legs are made up of a body which comprises lateral faces perpendicular to the side they delimit, respectively, outer faces parallel to the side they delimit, respectively, and an upper face, wherein each longitudinal and transverse bar is fastened to a pair of legs, respectively, by fastening means, and wherein the invention comprises a fastening and/or tensioning device for the surface element on at least one of the longitudinal sides and/or transverse sides.