The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 15, 2022
Filed:
Oct. 17, 2018
Otis Elevator Company, Farmington, CT (US);
Michael J. Tracey, Cromwell, CT (US);
Richard E. Kulak, Niantic, CT (US);
OTIS ELEVATOR COMPANY, Farmington, CT (US);
Abstract
An elevator car door interlock includes a first link assembly having a first intermediate link movably connected to a first vane, and a first link having a first link first end pivotally connected to the first intermediate link and a first link second end pivotally connected to the second vane. A latch assembly includes a door latch pivotally connected to the baseplate wherein responsive to operation of a drive mechanism that is drivably connected to the first link second end, while an interlock roller engages at least one of the first vane and the second vane, the first vane moves towards the second vane and the door latch pivots to unlock an elevator car door.