Tab Feed Structure for Lumber Wrap Fastening
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fastening devices, such as special-purpose staple guns, are bulky, ergonomically inadequate, and inefficient in handling and storing tabs, leading to operator discomfort and wastage of fasteners during the securing of lumber wrap to lumber.
Innovation Solution
A fastening device with a handle, trigger mechanism, fastener magazine, and tab feed structure that includes an accordion-folded stack of tabs, a feed rail, and a tab advance mechanism, allowing for efficient and ergonomic operation by advancing tabs and fasteners simultaneously.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If special-purpose staple guns are used to automatically feed tabs and staples, then fastening efficiency is improved, but the device becomes bulky and ergonomically inadequate
Solution Approach 1:
The patent combines the tab feeding mechanism and staple fastening mechanism into a single integrated device. The tab feed structure includes a tab magazine, feed rail, and tab advance mechanism that work together with the fastener magazine and fastening head in one unified tool, eliminating the need for separate tab application and fastening operations.
Solution Approach 2:
The fastening device performs multiple functions simultaneously: it feeds tabs from the tab magazine, advances them through the feed rail, positions them at the fastening region, drives fasteners through the tabs into the workpiece, and resets the tab strip for the next cycle. This multi-functionality in a single device improves efficiency while maintaining ergonomic handling.
2Device complexity
If tabs are stored in coils, then tab storage is simplified, but the device becomes bulky and significant number of caps are wasted
Solution Approach 1:
The tab strip is pre-loaded into the tab magazine in a linear, unfolded configuration rather than coiled. The feed rail is designed to receive and guide the pre-positioned tab strip from the magazine to the fastening region, eliminating the need for coiled storage and the associated cap wastage that occurs with coil-based systems.
3Device complexity
If manual tab application is used, then device complexity is reduced, but productivity and fastening efficiency decrease
Solution Approach 1:
The tab feed structure is designed to automatically feed tabs from the magazine through the feed rail and position them at the fastening region without manual intervention. The tab advance mechanism automatically advances the tab strip after each fastening operation, and the retention structure holds the accordion-folded stack of tabs in place, enabling continuous automated operation.
Data Source
AI summary
Fastening devices and methods of utilizing the same. The fastening devices include a handle, a trigger mechanism, a fastener magazine, a fastening head, and a tab feed structure. The tab feed structure includes a tab magazine, a feed rail, and a tab advance mechanism. The tab magazine is configured to contain an accordion-folded stack of tabs, which is defined by a first subset of a plurality of interconnected tabs. The fasting device is configured to, upon actuation of the trigger mechanism, urge a fastener through a leading tab of the plurality of interconnected tabs and into a workpiece to operatively affix the leading tab to the workpiece and also to advance a tab strip, which is defined by a second subset of the plurality of interconnected tabs, toward a fastening region with the tab advance mechanism. The methods include methods of utilizing and/or loading the fastening device.