3-IN-1 FOLDABLE CHAIR

Abstract

The innovative 3-in-1 foldable chair is a multifunctional design, serving as a chair, ladder, and rack. This versatile furniture piece is synthesized using a lightweight aluminium alloy (AA2024) for its structure, combined with durable materials that enhance strength and stability. The concept behind this foldable design is rooted in maximizing functionality while maintaining a compact, easy-to-store form. In modem living spaces, especially urban environments, efficient use of space is crucial. With growing technological developments, industries aim to create furniture that offers multiple uses without compromising on strength or aesthetics. This 3-in-1 foldable chair provides flexibility, transforming into a comfortable seating option, a stable ladder for reaching higher places, and a rack for storage or display purposes. The , choice of materials, particularly the aluminium alloy, ensures the chair remains lightweight, easy to handle, and durable, with added corrosion resistance. The advanced design of the chair utilizes modem folding ··mechanisms to allow seamless transitions between its three modes, without sacrificing safety or comfort. With these features, the 3-in-1 foldable chair offers an economical and practical solution for modem Libraries, combining the convenience of three pieces of furniture into one compact, durable unit. The 3-in-1 foldable chair is an innovative, space-saving solution designed for versatility and durability. Its primary function lies in_its ability to seamlessly switch between three forms: I. Chair: The basic form provides a comfortable seating option for daily use, designed with ergonomic principles to ensure proper posture and comfort. The use of lightweight aluminium alloy (AA2024) allows it to be easily moved around and stored, while the high-strength properties ensure stability. 2. Ladder: With a simple fold, the chair transforms into a sturdy ladder. This function is ideal for reaching high shelves or performing library tasks. The aluminium structure ensures both lightness and strength, while additional anti-slip steps or grip features can be included to enhance safety during use. 3. Rack: The chair can also be folded into a convenient rack or shelf. This feature can be used to store books, display decorative items, or organize small library objects. Its design ensures that the rack is both functional and aesthetically pleasing, fitting seamlessly into modem home decor.

Specification

PREAMBLE TO THE DESCRIPTION
THE FIELD OF INVENTION (Learning Center/Library)
The present invention is related to a novel design 3-in-1 foldable Library tool, which serves as a chair
for sitting, a ladder for reaching high places, and a rack for organizing items, aimed at enhancing
convenience and multi functionality in library environments.
BACKGROUND OF THE INVENTION
Earlier, traditional materials like wood and steel were commonly used for library furniture
due to their strength and durability. However, these materials tend to be heavy and lack
multifunctionality, leading to inefficiencies in space usage and convenience. As modem librarys
increasingly demand compact and space-saving solutions, there has been a shift toward lighter and
more versatile materials.
With advancements in material science, lightweight aluminium-based designs have gained
popularity for their strength, corrosion resistance, and ease of handling. Despite these benefits, many
of these designs still lacked multi functionality, limiting their usefulness in modem, space-constrained
environments.
To address this need, the 3-in-1 foldable library tool has been developed. This innovative design combines
a chair, ladder, and rack into one lightweight structure. Made from aluminium alloy, it offers improved
versatility, durability, and ease of use. The multifunctional design makes it an ideal solution for modem
librarys, maximizing space efficiency and providing greater flexibility for everyday tasks. US patent
Documents
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-· 2. Patent No.: US 1033549A, Hoseph A Costello. Date of Patent: July. 23, 1912.
3. Patent No.: US20240062536Al, William et al. Date of Patent: Feb. 22, 2024.
4.
5.
Patent No.: US7163260B2, C. R. Reitzloff and M.J. Urban. Date of Patent: Jan. 16, 2007.
Patent No.: US7614686B2, J.E. Robertson et al. Date of Patent: Nov. 10,2009.
SUMMARY OF THE INVENTION
In recent times, space-saving and multifunctional furniture has become increasingly important for modem
Libraries. Traditional library furniture often lacks versatility and occupies significant space. The proposed 3-
in-1 foldable library tool addresses these concerns by combining the functionality of a chair, ladder, and rack
into a single, lightweight design.
This innovative solution offers a compact, easy-to-use structure made from durable aluminium alloy, ensuring
both strength and ease of handling. The tool is lightweight, versatile, and ideal for everyday use, providing
significant space efficiency without compromising on stability or durability. Its multifunctional design allows
users to switch between seating, climbing, and storage, offering a practical ·and cost-effective solution for
modem Libraries.



COMPLETE SPECIFICATION
Specifications
• Base Materials: Plywood and mild steel
• Density of Plywood: Approximately 0.6-0.9 glee (varies based on type)
• Density of Mild Steel: Approximately 7.85 glee
• Melting Point of Mild Steel: Approximately 1510°C
• Weight of Tool: Optimized for easy handling and portability
• Load-Bearing Capacity: Supports up to X kg (to be defined based on design)
· • Ultimate Tensile Strength of Mild Steel: Typically around 400-550 MPa
• Yield Strength of Mild Steel: Typically around 250-300 MPa
• .... Corrosion.Resistance: Mild steel may re_quire protective coating for enhanced durability_
• Durability of Plywood: Resistant to warping and moisture with appropriate treatment
• Impact Toughness: Assess impact resistance based on combined structure



DESCRIPTION
The innovative 3-in-1 foldable library tool, designed with a combination of plywood and mild
steel, offers a multifunctional solution that serves as a chair, ladder, and rack. This unique design not
only maximizes space efficiency but also ensures durability and strength. The structure utilizes
plywood for its lightweight and aesthetic appeal, while mild steel provides enhanced stability and
load-bearing capacity.
The design incorporates ergonomic features to ensure comfort while seated and safety during
ladder use. The plywood components are treated to resist moisture and warping, extending the tool's
lifespan and usability in various library environments. The mild steel framework allows for easy
handling and enhances the tool's overall robustness, making it suitable for diverse applications around the home.

This foldable tool stands out for its ability to easily transition between functions, with secure
locking mechanisms for safety when in ladder mode. The thoughtful integration of materials not only
supports a high strength-to-weight ratio but also enables the creation of complex shapes that cater to
modern design aesthetics.
In summary, this innovative 3-in-1 foldable library tool is a practical and efficient solution
for contemporary living, addressing the needs for versatility, convenience, and durability in library
applications.






CLAIM
We Claim
l. The adaptation of plywood and mild steel in the design of the 3-in-1 foldable library tool
provides a lightweight and versatile solution compared to traditional materials.
2. The innovative design facilitates the easy creation of complex shapes and structures,
enhancing its multifunctional capabilities.
3. The tool offers an· extended lifespan and is more economical than conventional furniture
options, making it a cost-effective choice for Libraries.
4. The combination of plywood and mild steel results in high strength and durability, ensuring
reliable performance in various applications.
5. The 3-in-1 design allows for versatile use as a chair, ladd~r, and rack, providing improved
functionality and convenience for users.
6. The materials used in the tool exhibit excellent joining properties, allowing for secure
connections and stability in all three modes of operation.

Documents