Rotatable Wheel Attachment for Internal Corner Taping

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Solution Overview

Problem

Existing plaster taping devices, such as banjo taping machines, are limited in applying tape to internal corner joints, requiring manual application which is laborious and inefficient, as they lack a mechanism to access and apply tape to non-flat surfaces.

Innovation Solution

An interchangeable attachment for plaster taping devices featuring a rotatably attached wheel member with serrated discs, allowing for angled access and application of pre-coated tape to internal corner joints, compatible with various angles, by integrating with existing tracking wheel fittings.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a standard tracking wheel fitting with serrated rollers is used, then tape application to flat surfaces is efficient, but access to internal corner joints is impossible

Engineering Contradiction:

Improvetape application efficiencyVSAvoidability to access internal corner joints

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The tracking wheel is made rotatable on the corner joint, allowing it to dynamically adjust and access corner positions that static wheels cannot reach. This rotational capability enables the wheel to engage with tape at angled surfaces while maintaining the serrated gripping function for effective tape application.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The device separates the flat surface tracking function from the corner joint access function by making the wheel member independently rotatable. This segmentation allows each component to specialize: the base handles straight line movement while the rotatable wheel handles corner navigation, resolving the contradiction between efficiency on flat surfaces and adaptability to corners.

Inventive Principle:

Principle #1Segmentation

2Adaptability or versatility

If manual tape application is used for internal corner joints, then access to corners is achieved, but labor time and effort increase significantly

Engineering Contradiction:

Improveability to apply tape to internal cornersVSAvoidlabor time for corner joint taping

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The invention merges the automated tape application mechanism with corner joint accessibility by integrating a rotatable wheel into the tracking system. This combination allows the machine to perform both functions—automated tape dispensing and corner navigation—in a single operation, eliminating the need for separate manual taping of corners and significantly reducing labor time.

Inventive Principle:

Principle #5Merging (Combining)

3Manufacturing precision

If hand-held smoothing tools are used for internal corner joints, then plaster smoothing is improved, but a two-step process is required

Engineering Contradiction:

Improveplaster smoothing qualityVSAvoidnumber of steps in taping process

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The device combines tape application and plaster smoothing functions into a single integrated tool. The rotatable wheel member not only guides the tape but also embeds it into the plaster while smoothing occurs simultaneously. This merging eliminates the need for separate smoothing tools and steps, reducing process complexity while maintaining smoothing quality.

Inventive Principle:

Principle #5Merging (Combining)

Data Source

PatentEP2531670B1Apparatus for a plaster taping device

Publication Date: 2020.03.25 PHAANIX PTY LTD

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AI summary

The present invention resides in an apparatus for use with a plaster taping device, the apparatus comprising a base for removably attaching the apparatus to the plaster taping device and a frame having a first end coupled to the base and a second end for supporting a wheel member rotatably connected thereto, wherein the wheel member facilitates application of a tape material along an internal corner joint.