Patents by Inventor Shan H. McCandless

Shan H. McCandless 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).

  • Door sensor beam
    Patent number: 5712458
    Abstract: An assembly for a no-contact power reversing system for an elevator car gate comprises a lost-motion linkage comprising inner and outer telescoping members, the inner member having an upper extension which stabilizes and protects the electrical cable leading to the scanner unit of the device during retraction and extension of the scanner unit mounting as the gate approaches and leaves full closed position. The linkage and associated parts mounted in such a way that the scanner unit is protected against pilferage.
    Type: Grant
    Filed: August 9, 1995
    Date of Patent: January 27, 1998
    Assignee: The Peelle Company
    Inventors: Shan H. McCandless, Stefan Walkowiak