Interlocking Bucket Handle for Tool-Free Bail Attachment
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Solution Overview
Problem
Existing handles for containers with bail members, such as buckets and paint cans, often cause discomfort and injury due to their thin diameter, and existing solutions require tools for attachment or disassembly, making them inconvenient for use with multiple containers.
Innovation Solution
A handle formed from two interlocking members that create a base structure without attachment to the bail member, using a projection and catch system for locking, allowing secure attachment without tools and easy transfer between containers, with an ergonomic design for comfortable lifting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a thin diameter wire bail member is used, then the container can be disposed of easily and the bail member is suitable for temporary use, but the bail member can cut into the hand and cause injury when lifting the container
Solution Approach 1:
A plastic sleeve is introduced as an intermediary component between the thin wire bail member and the user's hand. The sleeve has a wider diameter than the wire and distributes the lifting force across a larger surface area of the hand, preventing the wire from cutting into the skin while still allowing the thin wire to perform its function of supporting the container weight.
Solution Approach 2:
The plastic sleeve acts as a flexible protective shell that covers the rigid wire bail member. This shell provides a softer, more compliant surface that conforms to the hand's shape during lifting, reducing pressure concentration and preventing injury while maintaining the structural integrity of the wire underneath.
2Object-affected harmful factors
If a plastic sleeve is added over the bail member to distribute weight, then hand comfort is improved, but the sleeve can become loose or dislodged during lifting
Solution Approach 1:
The plastic sleeve is pre-formed with a tapered configuration where the diameter decreases toward one end. This preliminary shaping allows the sleeve to be easily slipped onto the bail member in the correct orientation, with the larger diameter end facing the hand for comfort and the smaller diameter end fitting snugly against the container rim or bail member end to prevent dislodgement during use.
3Ease of operation
If a handle is attached to the bail member to improve grip, then lifting comfort is enhanced, but the handle requires tools for attachment and disassembly
Solution Approach 1:
The plastic sleeve is designed to be self-installing and self-securing on the bail member through its tapered geometry and friction fit. The user can slide the sleeve onto the bail member by hand without requiring any tools for attachment or removal. The tapered shape creates a natural retention mechanism where the sleeve stays in place during lifting but can be easily removed when needed by simply pulling it off.
Data Source
AI summary
A handle for attachment to a bail member of a bucket is disclosed. The handle includes a base formed from two interlocking members, a first member frictionally engages a second member, locking the two members together without tools. Upon the interlocking of the first member and second member, a base structure is formed providing a receptacle constructed in a range for receipt of the bail member along an upper section. A centrally disposed cavity may be included in the upper section for receipt of a tubular sleeve commonly found on buckets and employing bail members for carrying heavy weights. The base structure is positioned beneath the bail member wherein a portion of the bail member is insertable into the receptacle. A cover member is secured to the top section of the base structure to conceal the receptacle and secure the bail member within the handle.