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163 条记录 (耗时 0.021 秒)

    Device for melting and applying thermoplastic material to surface
    97.
    发明授权
    Device for melting and applying thermoplastic material to surface 有权

    公开(公告)号：US10883232B2

    公开(公告)日：2021-01-05

    申请号：US14796876

    申请日：2015-07-10

    申请人： Waterblasting, LLC

    发明人： James P Crocker

    IPC分类号： E01C23/12 ,  E01C23/20 ,  B29B13/02 ,  E01C19/08 ,  E01C19/10 ,  E01C19/16 ,  E01C23/22

    摘要： A pavement striping devices for heating and applying thermoplastic material to a road surface is provided. The pavement striping device includes of: a hopper for holding a supply of particulate thermoplastic marking material in a non-molten state, an air or oil-heat transfer medium melting kettle having a series of coaxial conveyored or unconveyored conduits within, a plastic extruder for transporting the thermoplastic particulate from the hopper to the series of coaxial conveyored or unconveyored conduits with the air or oil-heat transfer medium melting kettle, a heating mechanism for heating the air or oil-heat transfer medium melting kettle and the plastic extruder to a temperature suitable for melting thermoplastic, and a means for driving the stream of molten thermoplastic through the series of coaxial conveyored or unconveyored conduits to a sprayer or extrusion die, all of which form a means by which the molten thermoplastic is directed to the pavement surface.

    Quick disconnect screed box handle
    99.
    发明授权
    Quick disconnect screed box handle 有权

    公开(公告)号：US10514718B2

    公开(公告)日：2019-12-24

    申请号：US15301801

    申请日：2015-03-30

    申请人： Graco Minnesota Inc.

    发明人： Rehmer Wang ,  Steven Shao

    IPC分类号： G05G1/04 ,  E01C23/20 ,  E01C23/24 ,  F16B7/20 ,  G05G1/12

    摘要： A quick disconnect handle assembly includes a handle and a handle mount. The handle includes a shaft, a spring, and a pin at or near an end of the shaft and configured to restrain movement of the spring in a first direction. The handle mount includes a body having a first end and second end opposite the first end, a passageway through the body, and a first recess configured to receive the pin and lock the handle in the handle mount. The passageway has an inlet at the first end and an outlet at the second end and has a cross-sectional shape substantially the same as a cross-sectional shape of the shaft at the location of the pin, such that the shaft including the pin can be received in the passageway. The first recess opens at the outlet and extends longitudinally toward the inlet of the handle mount body.

    Roadway marker control system
    100.
    发明授权
    Roadway marker control system 有权

    公开(公告)号：US10392756B2

    公开(公告)日：2019-08-27

    申请号：US15548356

    申请日：2016-02-08

    申请人： LimnTech LLC

    发明人： Douglas D. Dolinar ,  William R. Haller ,  Matthew W. Smith ,  Charles C. Stahl

    IPC分类号： E01C23/16 ,  B62D5/06 ,  E01C23/20

    摘要： A GPS-based control system for positioning a nozzle projection onto a predetermined roadway mark path includes a vehicle having an attached paint carriage which is laterally movable with respect to the vehicle, a first GPS antenna, a first GPS receiver responsive to the first GPS antenna, a first signal processor for determining the geographical location of the first GPS antenna, a linear motion and position sensor, a GPS location processor for determining the absolute GPS location of the paint carriage, a coordinate transform processor for transforming the absolute GPS location of the paint carriage into a location in a coordinate system other than GPS, a comparator for comparing the location of the paint carriage in the other coordinate system to a desired roadway mark path according to the other coordinate system, and a control system for positioning the nozzle projection onto the roadway mark path.