公开(公告)号：US20170292506A1

公开(公告)日：2017-10-12

申请号：US15484703

申请日：2017-04-11

Applicant: Graco Minnesota Inc.

Inventor： Mark D. Shultz ,  David M. Larsen ,  Justin G. Johnston ,  Steve J. Wrobel

IPC: F04B19/20 ,  F04B53/10 ,  F04B53/16 ,  F04B53/14 ,  B05B9/04 ,  F16K15/04

Abstract: A fluid dispensing system includes a motor housing and a piston pump assembly connected to the motor housing. A motor is mounted within the motor housing. The piston pump assembly includes a pump housing, a cartridge having a first end that extends into a second end of the pump housing, a piston that extends into a first end of the pump housing and the first end of the cartridge, and a packing stack within the cartridge and adjacent an inner surface of the cartridge and through which the piston extends. The cartridge is configured to be removed from the pump housing, and removal of the cartridge removes the packing stack from within the pump housing while leaving the pump housing connected to the motor housing.

公开(公告)号：US20170227001A1

公开(公告)日：2017-08-10

申请号：US15423706

申请日：2017-02-03

Applicant: Graco Minnesota Inc.

Inventor： Steve J. Wrobel ,  Justin G. Johnston ,  Christopher A. Lins ,  Brian M. Mulgrew

IPC: F04B53/04 ,  F04B9/04 ,  F04B53/02 ,  F04B19/22 ,  F04B53/14

CPC classification number: F04B53/04 ,  B05B9/0413 ,  F04B1/0448 ,  F04B9/04 ,  F04B15/02 ,  F04B19/22 ,  F04B53/02 ,  F04B53/143 ,  F04B53/144 ,  F04B53/164

Abstract: A piston rod assembly includes a piston rod having a first end configured to contact fluid, a packing retainer through which the piston rod extends, and one or more packing rings. The packing retainer includes one or more leakage ports forming passageways between an inner surface and an outer surface of the packing retainer. The one or more packing rings surround the piston rod, are adjacent the inner surface of the packing retainer, and are positioned between the one or more leakage ports and a bottom end of the packing retainer. The one or more leakage ports are positioned so that fluid that leaks past the one or more packing rings will flow through the one or more leakage ports.

公开(公告)号：US20230278053A1

公开(公告)日：2023-09-07

申请号：US18196873

申请日：2023-05-12

Applicant: Graco Minnesota Inc.

Inventor： Justin G. Johnston ,  Steve J. Wrobel

IPC: B05B9/01 ,  B05B1/30 ,  B05B12/00

CPC classification number: B05B9/01 ,  B05B1/3046 ,  B05B12/002 ,  B05B15/60

Abstract: A spray gun includes a valve cartridge configured to be axially installed and removed as a single piece. The valve cartridge includes the wear components of the spray gun. A trigger of the spray gun is configured to actuate a slider of the valve cartridge to control spraying by the spray gun. The trigger can slide between a spray position, where the trigger prevents forward axial movement of the valve cartridge, and a repair position, where the valve cartridge can move axially forward.

公开(公告)号：US11684937B2

公开(公告)日：2023-06-27

申请号：US16773122

申请日：2020-01-27

Applicant: Graco Minnesota Inc.

Inventor： Justin G. Johnston ,  Steve J. Wrobel

IPC: B05B9/01 ,  B05B1/30 ,  B05B12/00 ,  B05B15/60 ,  B05B15/16 ,  B05B15/40

CPC classification number: B05B9/01 ,  B05B1/3046 ,  B05B12/002 ,  B05B12/0026 ,  B05B15/16 ,  B05B15/40 ,  B05B15/60

Abstract: A spray gun includes a valve cartridge configured to be axially installed and removed as a single piece. The valve cartridge includes the wear components of the spray gun. A trigger of the spray gun is configured to actuate a slider of the valve cartridge to control spraying by the spray gun. The trigger includes arms that are mounted to the spray gun by a pivot mechanism. The pivot mechanism can be disengaged from the arms to allow the trigger to slide between a spray position, where the trigger prevents forward axial movement of the valve cartridge, and a repair position, where the valve cartridge can move axially forward. The trigger also includes upper and lower portions that are movable relative to each other, such that the length of the trigger can be adjusted.

公开(公告)号：US11603835B2

公开(公告)日：2023-03-14

申请号：US17660289

申请日：2022-04-22

Applicant: Graco Minnesota Inc.

Inventor： Max Carideo ,  James M. Dalton ,  Justin G. Johnston ,  Steve J. Wrobel ,  Christopher A. Lins

IPC: F04B49/02 ,  B05B9/00 ,  B05B9/04 ,  F04B19/22 ,  F04B17/03 ,  F04B53/16 ,  B05B15/52 ,  F04B23/02 ,  F04B53/22 ,  F04B15/02 ,  F04B49/10

Abstract: A paint sprayer includes an end bell, a motor connected to the end bell, a pump drive connected to the end bell, a pair of protrusions attached to an extending from the end bell such that each protrusion is cantilevered from the end bell, and a pump assembly comprising a pair of mounting holes and containing a piston. The pair of mounting holes is adapted to receive and slide onto the pair of protrusions to mount the pump assembly on the end bell as well as slide off of the pair of protrusions to remove the pump assembly from the end bell. The pump drive is configured to covert rotational motion output by the motor to reciprocal motion. The pump assembly is configured to pump paint when reciprocated by the pump drive while mounted on the end bell.

公开(公告)号：US20200217313A1

公开(公告)日：2020-07-09

申请号：US16828195

申请日：2020-03-24

Applicant: Graco Minnesota Inc.

Inventor： Max Carideo ,  James M. Dalton ,  Justin G. Johnston ,  Steve J. Wrobel ,  Christopher A. Lins

IPC: F04B49/02 ,  B05B9/00 ,  B05B9/04 ,  F04B19/22 ,  F04B17/03 ,  F04B53/16 ,  B05B15/52 ,  F04B23/02 ,  F04B53/22 ,  F04B15/02

Abstract: A paint sprayer includes an end bell, a motor connected to the end bell, a pump drive connected to the end bell, a pair of protrusions attached to an extending from the end bell such that each protrusion is cantilevered from the end bell, and a pump assembly comprising a pair of mounting holes and containing a piston. The pair of mounting holes is adapted to receive and slide onto the pair of protrusions to mount the pump assembly on the end bell as well as slide off of the pair of protrusions to remove the pump assembly from the end bell. The pump drive is configured to covert rotational motion output by the motor to reciprocal motion. The pump assembly is configured to pump paint when reciprocated by the pump drive while mounted on the end bell.

公开(公告)号：US20200156095A1

公开(公告)日：2020-05-21

申请号：US16773122

申请日：2020-01-27

Applicant: Graco Minnesota Inc.

Inventor： Justin G. Johnston ,  Steve J. Wrobel

IPC: B05B9/01 ,  B05B1/30 ,  B05B12/00

Abstract: A spray gun includes a valve cartridge configured to be axially installed and removed as a single piece. The valve cartridge includes the wear components of the spray gun. A trigger of the spray gun is configured to actuate a slider of the valve cartridge to control spraying by the spray gun. The trigger includes arms that are mounted to the spray gun by a pivot mechanism. The pivot mechanism can be disengaged from the arms to allow the trigger to slide between a spray position, where the trigger prevents forward axial movement of the valve cartridge, and a repair position, where the valve cartridge can move axially forward. The trigger also includes upper and lower portions that are movable relative to each other, such that the length of the trigger can be adjusted.

公开(公告)号：US10465678B2

公开(公告)日：2019-11-05

申请号：US15423706

申请日：2017-02-03

Applicant: Graco Minnesota Inc.

Inventor： Steve J. Wrobel ,  Justin G. Johnston ,  Christopher A. Lins ,  Brian M. Mulgrew

IPC: F04B53/04 ,  F04B9/04 ,  F04B19/22 ,  F04B53/02 ,  F04B53/14 ,  F04B1/04 ,  F04B15/02 ,  F04B53/16 ,  B05B9/04

Abstract: A piston rod assembly includes a piston rod having a first end configured to contact fluid, a packing retainer through which the piston rod extends, and one or more packing rings. The packing retainer includes one or more leakage ports forming passageways between an inner surface and an outer surface of the packing retainer. The one or more packing rings surround the piston rod, are adjacent the inner surface of the packing retainer, and are positioned between the one or more leakage ports and a bottom end of the packing retainer. The one or more leakage ports are positioned so that fluid that leaks past the one or more packing rings will flow through the one or more leakage ports.

公开(公告)号：USD792946S1

公开(公告)日：2017-07-25

申请号：US29551322

申请日：2016-01-12

Applicant: Graco Minnesota Inc

Designer： Justin G. Johnston ,  Christopher A. Lins ,  Brian M. Mulgrew ,  James M. Dalton ,  Steve J. Wrobel ,  Pamela J. Muetzel

公开(公告)号：US20220243717A1

公开(公告)日：2022-08-04

申请号：US17660289

申请日：2022-04-22

Applicant: Graco Minnesota Inc.

Inventor： Max Carideo ,  James M. Dalton ,  Justin G. Johnston ,  Steve J. Wrobel ,  Christopher A. Lins

IPC: F04B49/02 ,  B05B9/00 ,  B05B9/04 ,  F04B19/22 ,  F04B17/03 ,  F04B53/16 ,  B05B15/52 ,  F04B23/02 ,  F04B53/22 ,  F04B15/02 ,  F04B49/10

Abstract: A paint sprayer includes an end bell, a motor connected to the end bell, a pump drive connected to the end bell, a pair of protrusions attached to an extending from the end bell such that each protrusion is cantilevered from the end bell, and a pump assembly comprising a pair of mounting holes and containing a piston. The pair of mounting holes is adapted to receive and slide onto the pair of protrusions to mount the pump assembly on the end bell as well as slide off of the pair of protrusions to remove the pump assembly from the end bell. The pump drive is configured to covert rotational motion output by the motor to reciprocal motion. The pump assembly is configured to pump paint when reciprocated by the pump drive while mounted on the end bell.