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1.发明授权公开(公告)号：US11130210B2
公开(公告)日：2021-09-28
申请号：US16659975
申请日：2019-10-22
发明人： Eric Gallup , Harvey Stark , Pavel Ikonomov
摘要： A drive plate attachable to a driven shaft of a floor-finishing machine has a central circular recess and a plurality of radially extending pockets having beveled side edges formed in a surface thereof. Located in the pocket is a rectangular stabilizing bar. The abrasive tool includes a plate sized and shaped to fit into the pockets when inserted from the central recess and having a groove formed therein for receiving the stabilizing bar. On the surface of the tool plate opposite the groove are abrasive members.
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公开(公告)号：US20180333820A1
公开(公告)日：2018-11-22
申请号：US15596317
申请日：2017-05-16
发明人： Harvey Stark , Pavel Ikonomov
IPC分类号： B24B7/18
CPC分类号： B24B7/186 , B24D5/06 , B24D5/16 , E04F21/245
摘要： For use with a power trowel, an abrasive assembly attachable to a rotatable arm of the power trowel that comprises a circular, rigid plate having a central hub projecting out from a first major surface and affixed to its second major surface is a ring of a resilient material. Adjacent the resilient ring is a molded plastic ring in which a plurality of permanent magnet members are imbedded at regularly spaced intervals. The plastic ring further includes at least, one boss projecting outward from a surface thereof and designed to fit within an aperture disposed in an outermost ring, which is entirely or partially of a ferrous metal and which carries a plurality of abrasive members on its outer surface. The resilient ring is fastened to the rigid plate by internally threaded tubular pins and the plastic ring is secured by screws that pass through the plastic ring into the lumens of the internally threaded tubular pins.
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公开(公告)号：US20240044155A1
公开(公告)日：2024-02-08
申请号：US17881321
申请日：2022-08-04
发明人： Harvey Stark , Eric Gallup , Pavel Ikonomov
IPC分类号： E04F21/24
CPC分类号： E04F21/245
摘要： Preventing slurry, dirt, and grime from being ejected from a safety cage of a power trowel, and infiltrating the motors, gears, electrical and electronic components of the power trowel is achieved by temporarily installing an isolation assembly comprising one or more plates and associated locking mechanisms.
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公开(公告)号：US10960510B2
公开(公告)日：2021-03-30
申请号：US16153033
申请日：2018-10-05
发明人： Harvey Stark , Pavel Ikonomov
IPC分类号： B24B7/18
摘要： A device for attaching abrasive drive plates to the motor driver, rotatable arms of a floor finishing machine so that it can be used to grind and polish hardened concrete has a polygonal shaped driver member to which is affixed at least one abrasive drive plate using spherical bearings on its or their drive shafts so that it is or they are free to both spin and to tilt relative to a vertical axis. A locking cap containing a radial bearing may be affixed to housings for the radial bearings for constraining the drive plate shafts solely to pure rotation about the vertical axis. A plurality of channel members is affixed to an upper surface of the polygonal shaped driver for coupling it to the arms of the floor finishing machine.
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公开(公告)号：US10449651B2
公开(公告)日：2019-10-22
申请号：US15596317
申请日：2017-05-16
发明人： Harvey Stark , Pavel Ikonomov
摘要： For use with a power trowel, an abrasive assembly attachable to a rotatable arm of the power trowel that comprises a circular, rigid plate having a central hub projecting out from a first major surface and affixed to its second major surface is a ring of a resilient material. Adjacent the resilient ring is a molded plastic ring in which a plurality of permanent magnet members are imbedded at regularly spaced intervals. The plastic ring further includes at least, one boss projecting outward from a surface thereof and designed to fit within an aperture disposed in an outermost ring, which is entirely or partially of a ferrous metal and which carries a plurality of abrasive members on its outer surface. The resilient ring is fastened to the rigid plate by internally threaded tubular pins and the plastic ring is secured by screws that pass through the plastic ring into the lumens of the internally threaded tubular pins.
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公开(公告)号：US11969127B2
公开(公告)日：2024-04-30
申请号：US17507995
申请日：2021-10-22
发明人： Harvey Stark , Eric Gallup , Isaac Branning , Pavel Ikonomov
IPC分类号： A47L11/40 , B24B7/18 , B24B41/047 , B24B47/12 , G01B7/00
CPC分类号： A47L11/4069 , A47L11/4008 , A47L11/4038 , B24B7/186 , B24B41/047 , B24B47/12 , G01B7/003
摘要： Multiple floor treatment operations, such as burnishing, polishing and scrubbing, may be performed using a single floor treatment machine having a motor, the speed of which is governed by a controller that responds to sensor signals indicative of the type of floor treatments pad or pads operatively coupled to the motor.
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公开(公告)号：US11517997B2
公开(公告)日：2022-12-06
申请号：US16824836
申请日：2020-03-20
发明人： Harvey Stark , Pavel Ikonomov
摘要： An adapter plate for use with a floor finishing machine for coupling abrasive drive plates to the spider arms of the floor finishing machine which includes a plurality of stamped plate components which when joined together form a polygon on which is mounted a plurality of hub members in which shafts are journaled for rotation in a spherical bearing. The shafts are, in turn, coupled to the abrasive drive plates.
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公开(公告)号：US20180126510A1
公开(公告)日：2018-05-10
申请号：US15348401
申请日：2016-11-10
发明人： Harvey Stark , Pavel Ikonomov
IPC分类号： B24B7/18
摘要： A drive plate for a concrete or stone grinding/polishing machine includes one or more abrasive elements in the form of short sintered metal bars having diamond crystals mixed therein. Due to the triangular profile of the abrasive elements, as the drive plate is rotated by a drive motor and the apex of the triangular abrasive element engages the floor surface being treated, the abrasive elements are able to more readily strip off mastic, sealers, glue, or most any thin film topical coating present on concrete or other hard floors.
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公开(公告)号：US20230131689A1
公开(公告)日：2023-04-27
申请号：US17694357
申请日：2022-03-14
发明人： Harvey Stark , Eric Gallup , Isaac Branning , Pavel lkonomov
摘要： Multiple floor treatment operations, such as burnishing, polishing, and scrubbing, may be performed using a single floor treatment machine having a motor, the speed of which is governed by a controller that responses to sensor signals indicative of the type of floor treatments pad or pads operatively coupled to the motor.
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公开(公告)号：US20200298366A1
公开(公告)日：2020-09-24
申请号：US16824836
申请日：2020-03-20
发明人： Harvey Stark , Pavel Ikonomov
摘要： An adapter plate for use with a floor finishing machine for coupling abrasive drive plates to the spider arms of the floor finishing machine which includes a plurality of stamped plate components which when joined together form a polygon on which is mounted a plurality of hub members in which shafts are journaled for rotation in a spherical bearing. The shafts are, in turn, coupled to the abrasive drive plates.
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