Convertible Tote Bag with Sliding Handle Mechanism

Solution Overview

Problem

Conventional bags with multiple handles and straps often result in bulk, weight, complexity, and clutter, failing to provide a seamless transition between tote and backpack modes while ensuring user comfort and load distribution.

Innovation Solution

A convertible tote design featuring a single displaceable handle anchored via fixed and slidable points, allowing the handle to convert from a single upward loop for hand carry to two lateral loops for backpack mode, with adjustable straps for optimal load distribution and comfort.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple handles and straps are added to provide various carrying options, then adaptability and versatility are improved, but device complexity and bulk increase

Engineering Contradiction:

Improvecarrying optionsVSAvoidhandle and strap configuration

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a single handle that can perform multiple functions: it can be configured as a top handle for hand carrying, extended to form shoulder straps for shoulder carrying, or arranged as backpack straps for back carrying. This single multi-functional component replaces what would traditionally require multiple separate handles and straps, thereby improving adaptability while reducing device complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent applies dynamics by making the handle configurable and adaptable through adjustment mechanisms. The handle can be repositioned, extended, or reconfigured depending on the desired carrying mode. This dynamic adjustability allows the same structural element to serve different carrying purposes, achieving versatility without adding permanent additional components

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If multiple handles and straps are added to provide various carrying options, then adaptability and versatility are improved, but weight increases

Engineering Contradiction:

Improvecarrying optionsVSAvoidbag weight

Core Design Contradiction:

Adaptability or versatilityVSWeight of moving object

Solution Approach 1:

The patent applies universality by designing a single handle that can perform multiple functions: it can be configured as a top handle for hand carrying, extended to form shoulder straps for shoulder carrying, or arranged as backpack straps for back carrying. This single multi-functional component replaces what would traditionally require multiple separate handles and straps, thereby improving adaptability while reducing device complexity

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent applies merging by combining the functions of multiple separate carrying components (top handle, shoulder straps, backpack straps) into a single integrated handle structure. By merging these functions into one component, the total weight of the bag is reduced compared to having separate handles and straps for each carrying mode

Inventive Principle:

Principle #5Merging (Combining)

3Ease of operation

If fixed separate handles are used, then ease of operation is improved, but adaptability deteriorates

Engineering Contradiction:

Improvecarrying convenienceVSAvoidcarrying mode flexibility

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent applies dynamics by making the handle configurable and adaptable through adjustment mechanisms. The handle can be repositioned, extended, or reconfigured depending on the desired carrying mode. This dynamic adjustability allows the same structural element to serve different carrying purposes, achieving versatility without adding permanent additional components

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS12102217B1Convertible tote

Publication Date: 2024.10.01 AMAZON TECH INC

AI summary

A convertible tote bag includes a bag body including an upper portion and a lower portion. A handle strap is fixedly anchored at a first anchor point to the lower portion of the bag body, and slidably anchored at a second anchor point to the upper portion of the bag body. The handle strap is slidable between a first position in which a first segment of the handle strap, between the first anchor point and the second anchor point, is cinched against a side of the bag body, and in which a second segment of the handle strap extends above the second anchor point away from the bag body, and a second position in which the first segment of the handle strap and the second segment of the handle strap are pulled below the second anchor point to form a loop off the side of the bag body.