Elevator system

US9988243B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9988243-B2
Application numberUS-201415103029-A
CountryUS
Kind codeB2
Filing dateNov 13, 2014
Priority dateDec 9, 2013
Publication dateJun 5, 2018
Grant dateJun 5, 2018

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An elevator system includes an elevator car carrier moveable in a travel space to a plurality of floors. The elevator car carrier has a first elevator car and a second elevator car adjustably arranged thereon, as well as a drive unit. An adjustment device includes a first traction device and a second traction device, which traction devices are wound in the opposite sense onto drums of the drive unit. The distance between the first elevator car and the second elevator car can be adjusted by a rotation of the drums to adapt to varying floor distances.

First claim

Opening claim text (preview).

The invention claimed is: 1. An elevator system comprising: an elevator car carrier that moves within a travel space; a first elevator car adjustably arranged on the elevator car carrier; a second elevator car adjustably arranged on the elevator car carrier; a drive unit arranged on the elevator car carrier; and an adjustment device including a first traction means and a second traction means wound in opposite directions onto a drum driven by the drive unit whereby a dista…

Assignees

Inventors

Classifications

  • B66B11/022Primary

    Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

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Frequently asked questions

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What does patent US9988243B2 cover?
An elevator system includes an elevator car carrier moveable in a travel space to a plurality of floors. The elevator car carrier has a first elevator car and a second elevator car adjustably arranged thereon, as well as a drive unit. An adjustment device includes a first traction device and a second traction device, which traction devices are wound in the opposite sense onto drums of the drive…
Who is the assignee on this patent?
Inventio Ag
What technology area does this patent fall under?
Primary CPC classification B66B11/022. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jun 05 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).