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    Dry-fire lockout and last fastener retention mechanism for powered fastener driver
    1.
    发明授权
    Dry-fire lockout and last fastener retention mechanism for powered fastener driver 有权

    公开(公告)号：US12151349B2

    公开(公告)日：2024-11-26

    申请号：US17846075

    申请日：2022-06-22

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Casey D. Garces ,  Andrew P. Rux ,  Andrew R. Wyler

    IPC: B25C1/00 ,  B25C1/04

    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 and a last fastener holding member configured to engage a fastener within the fastener driver channel. The lockout lever is configured to engage the fastener within the fastener driver channel. The last fastener holding member biases the fastener within the fastener driver channel toward an inner surface of the fastener driver channel to inhibit the fastener from falling out of the fastener driver channel.

    PUSHER MECHANISM FOR POWERED FASTENER DRIVER
    4.
    发明申请
    PUSHER MECHANISM FOR POWERED FASTENER DRIVER 审中-公开

    公开(公告)号：US20190314967A1

    公开(公告)日：2019-10-17

    申请号：US16376632

    申请日：2019-04-05

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Casey D. Garces ,  Andrew P. Rux

    IPC: B25C1/04 ,  B25C1/00

    Abstract: A powered fastener driver includes a housing, a nosepiece coupled to the housing and extending therefrom, a driver blade, a canister magazine coupled to the nosepiece, a pusher mechanism coupled to the nosepiece, and a cam. The pusher mechanism includes a body coupled to the nosepiece, a feeder arm pivotably coupled to the body, and a lever pivotably coupled to the nosepiece. The lever has a first end that is engageable with the body for imparting reciprocating translation to the body relative to the nosepiece in response to pivoting movement of the lever in opposite directions about the pivot axis. A cam is engaged with a second end of the lever for imparting pivoting movement to the lever. The feeder arm is engageable with individual fasteners in the nosepiece for sequentially pushing the fasteners into the driver channel in response to reciprocation of the body relative to the nosepiece.

    PUSHER MECHANISM FOR POWERED FASTENER DRIVER
    6.
    发明申请
    PUSHER MECHANISM FOR POWERED FASTENER DRIVER 有权

    公开(公告)号：US20220088758A1

    公开(公告)日：2022-03-24

    申请号：US17544642

    申请日：2021-12-07

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Casey D. Garces ,  Andrew P. Rux

    IPC: B25C1/04 ,  B25C1/00

    Abstract: A powered fastener driver includes a housing, a nosepiece coupled to the housing and extending therefrom, a driver blade, a canister magazine coupled to the nosepiece, a pusher mechanism coupled to the nosepiece, and a cam. The pusher mechanism includes a body coupled to the nosepiece, a feeder arm pivotably coupled to the body, and a lever pivotably coupled to the nosepiece. The lever has a first end that is engageable with the body for imparting reciprocating translation to the body relative to the nosepiece in response to pivoting movement of the lever in opposite directions about the pivot axis. A cam is engaged with a second end of the lever for imparting pivoting movement to the lever. The feeder arm is engageable with individual fasteners in the nosepiece for sequentially pushing the fasteners into the driver channel in response to reciprocation of the body relative to the nosepiece.

    Powered fastener driver
    7.
    发明授权
    Powered fastener driver 有权

    公开(公告)号：US11260512B2

    公开(公告)日：2022-03-01

    申请号：US17219044

    申请日：2021-03-31

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Jacob N. Zimmerman ,  Grace Whitmore ,  Marcus Wechselberger ,  Casey D. Garces ,  Mitchell T. Neuhoff

    IPC: B25C5/06 ,  B25C1/00

    Abstract: A fastener driver includes a pusher assembly slidably coupled to a magazine assembly. The pusher assembly includes a first portion and a second portion that are selectively movable relative to each other. The pusher assembly is adjustable between a first state in which the first portion and the second portion are configured to move together in unison toward the channel, and a second state in which the first portion moves relative to the second portion toward the channel. A dry-fire lockout assembly includes a blocking member coupled to the magazine assembly or the nosepiece assembly, and a lockout member selectively engageable with the blocking member for moving the blocking member from a first position and a second position. The pusher assembly is configured to transition from the first state to the second state after a predetermined number of fasteners remain in the magazine assembly.

    Pusher mechanism for powered fastener driver
    8.
    发明授权
    Pusher mechanism for powered fastener driver 有权

    公开(公告)号：US11224960B2

    公开(公告)日：2022-01-18

    申请号：US16376632

    申请日：2019-04-05

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Casey D. Garces ,  Andrew P. Rux

    IPC: B25C1/00 ,  B25C1/04

    Abstract: A powered fastener driver includes a housing, a nosepiece coupled to the housing and extending therefrom, a driver blade, a canister magazine coupled to the nosepiece, a pusher mechanism coupled to the nosepiece, and a cam. The pusher mechanism includes a body coupled to the nosepiece, a feeder arm pivotably coupled to the body, and a lever pivotably coupled to the nosepiece. The lever has a first end that is engageable with the body for imparting reciprocating translation to the body relative to the nosepiece in response to pivoting movement of the lever in opposite directions about the pivot axis. A cam is engaged with a second end of the lever for imparting pivoting movement to the lever. The feeder arm is engageable with individual fasteners in the nosepiece for sequentially pushing the fasteners into the driver channel in response to reciprocation of the body relative to the nosepiece.

    PUSHER MECHANISM FOR POWERED FASTENER DRIVER
    9.
    发明公开
    PUSHER MECHANISM FOR POWERED FASTENER DRIVER 审中-公开

    公开(公告)号：US20240316737A1

    公开(公告)日：2024-09-26

    申请号：US18731796

    申请日：2024-06-03

    Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION

    Inventor： Casey D. Garces ,  Andrew P. Rux

    IPC: B25C1/04 ,  B25C1/00

    CPC classification number: B25C1/047 ,  B25C1/003

    Abstract: A powered fastener driver includes a housing, a nosepiece coupled to the housing and extending therefrom, a cylinder positioned within the housing, a storage chamber cylinder at least partially surrounding the cylinder and containing therein pressurized gas in fluid communication with the cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable within the nosepiece between a ready position and a driven position, a canister magazine coupled to the nosepiece in which collated fasteners are receivable, a lifting mechanism operable to move the driver blade from the driven position toward the ready position, an electric motor, and a pusher mechanism. The pusher mechanism includes a body coupled to the nosepiece for relative translation, and a feeder arm coupled to the body for movement therewith and engageable with a forwardmost fastener of the collated fasteners to transfer the forwardmost fastener into the driver channel.

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