Cross-Shaped Container Handle for Single-Handed Strap Lifting
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Solution Overview
Problem
Existing handles on containers require two hands for balanced lifting, and securing methods like adhesive tape are unreliable and damaging over time, limiting single-handed use and long-term closure.
Innovation Solution
A cross-shaped handle with perpendicular legs, side guide rails, and gripping teeth, used with a ductile strap that can be securely wrapped around objects without adhesives, allowing for single-handed lifting and repeated use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If adhesive tape is used to secure container closure, then initial closure is achieved, but the adhesive fails over time and damages the container upon removal
Solution Approach 1:
The invention uses a disposable strap that is discarded after single use, eliminating the problems of adhesive failure and container damage. The strap provides reliable initial closure and can be removed without damaging the container, as it is designed to be replaced rather than reused.
Solution Approach 2:
The strap is designed to be discarded after its securing function is completed. This allows the container to be accessed by simply removing the strap without any damaging removal processes, and the strap can be recovered for proper disposal rather than attempting to reuse deteriorating adhesive.
2Stability of the object's composition
If dual handles are incorporated into containers, then balanced lifting is achieved, but two hands are required preventing single-handed use
Solution Approach 1:
The handle is segmented into multiple functional components: a main body portion, an integrated carrying handle, and an integrated locking tab. This segmentation allows the locking mechanism to operate independently with one hand while the carrying handle provides balanced lifting capability.
Solution Approach 2:
The invention merges multiple functions into a single integrated handle assembly. The carrying handle and locking mechanism are combined in one unit, allowing both lifting and securing operations to be performed without requiring separate components or multiple hands.
3Ease of operation
If hand holes are cut into containers, then single-handed lifting is enabled, but adequate grip is prevented by interior contents
Solution Approach 1:
Instead of creating a hand hole through the container wall (three-dimensional penetration), the invention places the carrying handle on the exterior surface (two-dimensional placement). This allows the user to grip the handle from the outside without interior contents interfering with the gripping action.
4Productivity
If adhesive tape is repeatedly removed and re-applied, then re-securing is achieved, but container structural integrity is damaged
Solution Approach 1:
The strap is designed as a disposable component that is replaced rather than reused. This eliminates repeated removal and re-application cycles that would damage the container, as each new strap is applied to an intact surface without compromising structural integrity.
Data Source
AI summary
An ergonomic handle is used in conjunction with a ductile material, e.g., straps, for securing, lifting and carrying objects. The handle comprises four legs perpendicular to each other and joined at a center routing bowl. The center bowl includes an angled tab arm over its top. Each flat surfaced leg with side rails provides a channel for the strap material. Each leg includes a locking tab fixed to one side of the leg. Integral gripping teeth are on one face of the locking tab and mate with similar integral gripping teeth on the channel surface of each leg. The strap is placed on a leg surface, secured with the locking tab, then wrapped around the object to the second leg and secured. At the center bowl, the strap is re-directed to a third leg, secured, then wrapped around the object for securing on the fourth leg.