Patents Represented by Attorney Woff & Samson, PC

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  • Method for creating temporary safety space within an elevator hoistway
    Patent number: 7886879
    Abstract: A method for creating a temporary safety space within an elevator hoistway by preventing upward or downward movement of a car or counterweight along guide rails. The method includes the steps of providing engagement members on the guide rails and extending support struts from the car or counterweight to either side of a guide blade of the guide rail, whereby upward or downward movement of the car or counterweight along the guide rail is prevented when the extended support struts bear against the engagement members.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: February 15, 2011
    Assignee: Inventio AG
    Inventors: Johannes Kocher, Eamon Mc Govern