ELEVATOR ACCESS SYSTEMS FOR ELEVATORS
    11.
    发明申请

    公开(公告)号:US20190270612A1

    公开(公告)日:2019-09-05

    申请号:US16288236

    申请日:2019-02-28

    Abstract: Elevator access systems are provided. The elevator access systems include a bushing having a keyway, a plunger disposed within the bushing and movable relative thereto, a lever operably connected to the plunger, and a removable plug located within the keyway of the bushing, wherein the removable plug urges the plunger and the lever into a first position, and upon removal of the removable plug, the plunger and the lever move to a second position, wherein in the second position the plunger is accessible to operate the lever.

    ELEVATOR POSITION REFERENCE SYSTEMS AND MONITORING BUILDING SETTLEMENT USING AN ELEVATOR POSITION REFERENCE SYSTEM

    公开(公告)号:US20220135369A1

    公开(公告)日:2022-05-05

    申请号:US17399762

    申请日:2021-08-11

    Abstract: An elevator position reference system and a method of monitoring building settlement using such a system. The elevator position reference system includes a hoistway extending in a vertical direction. The system also includes a first position measurement tape extending vertically along a portion of the hoistway and an upper tensioning device, connected to an upper end of the first position measurement tape so as to apply a tensioning force in the upwards vertical direction. A lower end of the first position measurement tape is fixed within the hoistway. The system also includes a second position measurement tape extend vertically along at least some of said portion of the hoistway and a lower tensioning device, connected to a lower end of the second position measurement tape so as to apply a tensioning force in the downwards vertical direction.

    ELEVATOR ACCESS SYSTEMS FOR ELEVATORS
    17.
    发明申请

    公开(公告)号:US20190135583A1

    公开(公告)日:2019-05-09

    申请号:US16181562

    申请日:2018-11-06

    Abstract: Elevator access systems and methods including a key extension having a first portion arranged to engage with a key and a second portion and an access mechanism. The access mechanism includes an extension engagement element arranged to receive and fixedly engage with the second portion of the key extension and an opening element operably connected to the extension engagement element such that operation of the extension engagement element causes operation of the opening element.

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