DRY-FIRE LOCKOUT AND LAST FASTENER RETENTION MECHANISM FOR POWERED FASTENER DRIVER
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Nov 20, 2024
filing date -
Nov 20, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
A powered fastener driver includes a housing, a nosepiece having a fastener driver channel from which fasteners are discharged into a workpiece, a driver blade, a workpiece contact element, and a pusher mechanism. The powered fastener driver also includes a dry-fire lockout mechanism having a lockout lever movable between a bypass position and a blocking position. A first spring is configured to bias the lockout lever toward the blocking position. The powered fastener driver also includes a last fastener holding member configured to maintain the lockout lever in the bypass position against the bias of the first spring, and a second spring configured to bias the last fastener holding member toward the fastener driver channel. Each of the first spring and the second spring is configured to impart a force on the fastener within the fastener driver channel.
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