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公开(公告)号：US20190218064A1
公开(公告)日：2019-07-18
申请号：US15871220
申请日：2018-01-15
CPC分类号： B66B11/022 , B66F7/0666
摘要： An illustrative example elevator assembly includes a header beam and a first elevator cab supported by the header beam. A plurality of vertically oriented rods extend beneath the first elevator cab. A horizontally oriented mid-beam is coupled to a first one of the rods near a first end of the mid-beam and coupled to a second one of the rods near a second end of the mid-beam. A second elevator cab is situated beneath the first elevator cab and beneath the mid-beam. At least one linear actuator is supported at least partially on the mid-beam. The linear actuator selectively causes vertical movement of the second elevator cab relative to the rods.
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公开(公告)号：US20190218067A1
公开(公告)日：2019-07-18
申请号：US15871480
申请日：2018-01-15
发明人： Walter Thomas SCHMIDT , Enrico MANES , Shihemn CHEN , Zaffir A. CHAUDHRY , Xiaodong LUO , Luke A. MISHLER , Bruce P. SWAYBILL , Richard J. ERICSON , Loi CHENG , Meghan MASTRIANO
IPC分类号： B66B11/02
CPC分类号： B66B11/022 , B66B9/00
摘要： An illustrative example elevator system includes a frame, a first elevator cab, a second elevator cab, and a plurality of sheaves associated with the first and second elevator cabs, respectively. A suspension assembly suspends the first and second elevator cabs within the frame. The suspension assembly has two ends in a fixed position relative to the frame. The suspension assembly includes a positive drive load bearing member along a first portion of a length of the suspension assembly and at least one other second load bearing member. A machine includes a drive sprocket that moves the positive drive load bearing member to cause movement of the first and second elevator cabs relative to the frame.
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公开(公告)号：US20210371246A1
公开(公告)日：2021-12-02
申请号：US17404207
申请日：2021-08-17
摘要： An illustrative example elevator assembly includes a header beam and a first elevator cab supported by the header beam. A plurality of vertically oriented rods extend beneath the first elevator cab. A horizontally oriented mid-beam is coupled to a first one of the rods near a first end of the mid-beam and coupled to a second one of the rods near a second end of the mid-beam. A second elevator cab is situated beneath the first elevator cab and beneath the mid-beam. At least one linear actuator is supported at least partially on the mid-beam. The linear actuator selectively causes vertical movement of the second elevator cab relative to the rods.
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公开(公告)号：US20190218066A1
公开(公告)日：2019-07-18
申请号：US15871467
申请日：2018-01-15
发明人： Walter Thomas SCHMIDT , Enrico MANES , Bruce P. SWAYBILL , Zaffir A. CHAUDHRY , Luke A. MISHLER , Xiaodong LUO , Richard J. ERICSON , Loi CHENG , Shihemn CHEN , Meghan MASTRIANO
CPC分类号： B66B11/022 , B66B9/00 , B66B11/0273
摘要： An illustrative example elevator assembly includes a first elevator cab and a second elevator cab. An H frame supports the first elevator cab and the second elevator cab. The H frame has a plurality of vertically oriented beams and at least one horizontally oriented beam extending between the vertically oriented beams. The at least one horizontally oriented beam is spaced from ends of the vertically oriented beams and the H frame does not have any horizontally oriented beam at either end of the vertically oriented beams. At least one linear actuator is coupled with the first elevator cab and the second elevator cab. The linear actuator is configured to selectively cause movement of the elevator cabs relative to the H frame.
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公开(公告)号：US20190218065A1
公开(公告)日：2019-07-18
申请号：US15871237
申请日：2018-01-15
摘要： An illustrative example elevator assembly includes a frame having vertically oriented beams and horizontally oriented beams connected to the vertically oriented beams. A first elevator cab is supported within the frame between the vertically oriented beams. A pantograph linkage includes a plurality of links. The pantograph linkage is supported on one of the horizontally oriented beams. The pantograph linkage is connected with the first elevator cab such that different positions of the first elevator cab relative to the frame correspond to different relative positions of the links. A second elevator cab is suspended by the pantograph linkage beneath the frame. The different relative positions of the links place the second elevator cab in different positions relative to the frame.
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