Patents Assigned to Andvantage Lift Systems, Inc.
  • Safety interlock system
    Patent number: 5190122
    Abstract: A safety interlock system is provided for enabling ascend or descend interrupt of an automotive lift platform. A interface of negative rake sinusoidal shaped surfaces is employed together with an assembly for selectably placing such surfaces against each other during descent interrupt.
    Type: Grant
    Filed: September 12, 1991
    Date of Patent: March 2, 1993
    Assignee: Andvantage Lift Systems, Inc.
    Inventors: Robert H. Fletcher, James Myers