Roofing Bracket Attachment and Folding Device
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Solution Overview
Problem
The existing methods for attaching roofing sheet brackets to under-roofing require separate operations for attachment and folding of the connecting tongue, making the process costly and labor-intensive, especially due to the need for large forces or tools to manually fold the tongue.
Innovation Solution
A device with a hollow elongated housing and a folding mechanism that allows simultaneous attachment and folding of the connecting tongue into the low flange using a driving apparatus and a pivotable folding arm, enabling axial displacement and radial movement to facilitate the folding process without requiring additional tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If manual folding of the connecting tongue is performed separately after bracket attachment, then the folding can be achieved with simple tools, but the process time and labor costs increase
Solution Approach 1:
The patent combines the bracket attachment operation and the connecting tongue folding operation into a single integrated device. The folding device is mounted on the bracket and activates simultaneously during the attachment process, eliminating the need for separate folding operations and reducing total process time.
Solution Approach 2:
The folding device is pre-mounted on the bracket and positioned to engage the connecting tongue before attachment. The folding action is prepared in advance and executes automatically when the attachment operation commences, ensuring the folding is completed as part of the initial attachment process rather than as a subsequent step.
2Ease of operation
If large forces are applied to fold the connecting tongue manually, then the folding can be achieved without specialized tools, but the operation becomes difficult and labor-intensive
Solution Approach 1:
The patent introduces a folding device as an intermediary mechanism between the operator and the connecting tongue. This device includes a folding arm with a folding element that mechanically assists the folding process, reducing the direct force required from the operator while still achieving the necessary folding action.
Solution Approach 2:
The folding device incorporates movable and pivotable components including a folding arm that can rotate and a folding element that moves along the connecting tongue. This dynamic mechanism allows the folding force to be applied progressively and efficiently, reducing the peak force requirement compared to static manual folding methods.
3Device complexity
If separate operations are used for bracket attachment and tongue folding, then each operation can be performed with simple individual tools, but the total number of operations and costs increase
Solution Approach 1:
The patent merges the attachment tool and folding tool into a single integrated device. The folding device is mounted on the bracket and activates simultaneously during the attachment process, eliminating the need for separate folding operations and reducing total process time.
Solution Approach 2:
The integrated device performs multiple functions: it attaches the bracket to the substrate and simultaneously folds the connecting tongue into the low flange. This multi-functionality increases productivity by completing what were previously separate operations in a single action, while the device itself remains relatively simple in design.
Data Source
Figure 1~2
Figure 3~4
AI summary
Device for simultaneous attachment and folding into a low flange of plate or sheet coverage of at least a part of an end portion of a connecting tongue of a bracket for roofing sheet to an underlay, said device comprises a hollow longitudinal housing (1), at a first end (2) of which is arranged a driving apparatus and at a second end (4) of which is arranged an elongated hollow means (5). A projecting end of the hollow means is provided with a folding device (10). When the folding device (10) is pressed against the underlay a first end (11a) of a folding arm (11) is given a radial motion, so that said first end (11a) of the folding arm (11) folds into the low flange at least a part of an end portion of the connecting tongue of the bracket mounted in the folding device while the bracket being attached to the underlay.