Invention Grant
- Patent Title: Mechanical hoistway access control device
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Application No.: US15664462Application Date: 2017-07-31
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Publication No.: US10889465B2Publication Date: 2021-01-12
- Inventor: Daisuke Meguro , Hiromitsu Miyajima , Takako Fukuyama , Takero Kobari
- Applicant: Otis Elevator Company
- Applicant Address: US CT Farmington
- Assignee: Otis Elevator Company
- Current Assignee: Otis Elevator Company
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- Main IPC: B66B5/00
- IPC: B66B5/00 ; B66B13/16 ; B66B13/22 ; B66B13/12 ; B66B13/18 ; B66B13/20

Abstract:
A mechanical hoistway access control device for an elevator landing door includes a first and a second base plates mounted on the hoistway side of a landing door panel and arranged in parallel with one another, a slider slidably arranged between the first and second base plates and configured to move in conjunction with a car door and configured to protrude out from a door closing side end of the landing door by a first elastic member to take an extended position when the landing door is opened with no elevator car at the landing, and a latch attached to the landing door and configured to engage with the slider to keep the slider in the extended position once the slider protrudes out from the door closing side end of the landing door.
Public/Granted literature
- US20190031468A1 MECHANICAL HOISTWAY ACCESS CONTROL DEVICE Public/Granted day:2019-01-31
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