Invention Grant
- Patent Title: Elevator lintel door lock safety devices
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Application No.: US16015255Application Date: 2018-06-22
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Publication No.: US11091351B2Publication Date: 2021-08-17
- Inventor: Alexandre Renard , Clement Schach
- 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
- Priority: EP17305773 20170622
- Main IPC: B66B5/00
- IPC: B66B5/00 ; B66B13/22 ; E05B41/00 ; E05B57/00 ; E05B65/08 ; B66B13/16

Abstract:
Elevator lintel door lock safety devices having a frame mountable to a lintel, a lintel door lock fixed to the frame and having a first lock element rotatable relative to a second lock element, a contact plate fixed to the first lock element and moveable therewith, the contact plate having at least one contact attached thereto, a contact receiver attached to the frame and part of a safety chain, the contact receiver having at least one contact receiver aperture arranged to receive a respective contact of the contact plate, and a blocking element pivotably mounted to the frame wherein a portion of the blocking element is moveable between (i) a first position to prevent the at least one contact from engaging with a respective contact receiver aperture and (ii) a second position that allows the at least one contact to engage with the respective contact receiver aperture.
Public/Granted literature
- US20180370762A1 ELEVATOR LINTEL DOOR LOCK SAFETY DEVICES Public/Granted day:2018-12-27
Information query