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公开(公告)号：US20210155151A1
公开(公告)日：2021-05-27
申请号：US17103228
申请日：2020-11-24
Applicant: Roadtec, Inc.
Inventor： Matthew Neisen , Perry Basler
Abstract: A road working machine includes an operator's station that is adapted to be occupied by an operator of the road working machine. The road working machine also includes a controller and a safety light circuit that is operatively attached to the controller. The safety light circuit includes a plurality of downwardly directed safety lights that are located so as to provide lighted egress from the operator's station.
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12.发明申请公开(公告)号：US20190078273A1
公开(公告)日：2019-03-14
申请号：US16048866
申请日：2018-07-30
Applicant: Roadtec, Inc.
Inventor： Matthew Neisen
CPC classification number: E01C23/00 , B65G41/008 , B65G47/20 , E01C2301/04
Abstract: A material transfer vehicle includes a material receiving device that is adapted to receive asphalt paving material, and a receiving conveyor that is operatively attached to the material receiving device. The receiving conveyor is driven by a chain drive assembly and includes a chain tension adjustment assembly. The receiving conveyor is pivotable about a substantially horizontal axis so that it can be moved between a transport configuration in which the material receiving device is raised, an intermediate adjustment configuration, and a working configuration in which the material receiving device is lowered. A housing structure encloses protected components and includes an opening adjacent to the protected components. A combination door and platform is attached to the housing structure and is adapted to be moved between a closed configuration that covers the opening and an open configuration that provides access to the protected components, and also provides a platform on which an operator can stand to access the chain tension adjustment assembly.
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