Patents by Inventor Francisco Cervera

Francisco Cervera has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11591184
    Abstract: An elevator assembly (1) comprises an elevator car (2), a counterweight (4), and a safety device (8) located on a roof (9) of the elevator car (2). A locking handle (10) is positioned within the elevator shaft (6), and connected to a first end (12a) of a tension member (12). A blocking stop (14) is connected to a second end (12b) of the tension member (12). The blocking stop (14) is moveable between an inactive state, in which the tension member (12) holds the blocking stop (14) in a position in which it does not limit downwards movement of the counterweight (4), and an active state, in which tension in the tension member (12) is reduced to allow the blocking stop (14) to move to a position in which it limits downwards movement of the counterweight (4).
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: February 28, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Francisco Cervera, Eneko Arribas Cano, Jesus Donaire Serrano
  • Publication number: 20210002101
    Abstract: An elevator assembly (1) comprises an elevator car (2), a counterweight (4), and a safety device (8) located on a roof (9) of the elevator car (2). A locking handle (10) is positioned within the elevator shaft (6), and connected to a first end (12a) of a tension member (12). A blocking stop (14) is connected to a second end (12b) of the tension member (12). The blocking stop (14) is moveable between an inactive state, in which the tension member (12) holds the blocking stop (14) in a position in which it does not limit downwards movement of the counterweight (4), and an active state, in which tension in the tension member (12) is reduced to allow the blocking stop (14) to move to a position in which it limits downwards movement of the counterweight (4).
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Inventors: Francisco Cervera, Eneko Arribas Cano, Jesus Donaire Serrano
  • Publication number: 20130098711
    Abstract: A device for stopping an elevator car travelling up or down along guiderails installed in a hoistway includes a chassis mounted on a side of the car, and an overspeed governor, a guiding device and safety gear mounted on the chassis. The overspeed governor detects when a car overspeed is occurring. The guiding device guides the elevator car along a guiderail. The safety gear is vertically aligned with the guiding device on the chassis and stops the elevator car by frictionally engaging the elevator guiderail, which passes through a channel formed in each of the safety gear and the guiding device. The safety gear causes the elevator car to stop by frictionally engaging the guiderail when the overspeed governor detects a car overspeed is occurring.
    Type: Application
    Filed: May 18, 2010
    Publication date: April 25, 2013
    Applicant: OTIS ELEVATOR COMPANY
    Inventors: Jose Miguel Aguado, Luis Marti, Jose Luis Vergara, Andres Monzon, Francisco Luis Sanz, Francisco Cervera