Patents Represented by Attorney Ralph, P.A. Bailey

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  • Web tension apparatus with sensor switch arrangement for oscilliating dancer roll and method
    Patent number: 5546993
    Abstract: A web tension control apparatus and method utilizes a control for a drive motor (A) including an oscillating roll (B) for moving a cam (C) in relation to a proximity sensor (E) for controlling the tension in the moving web being transported for takeup. The power output of the proximity sensor is transmitted for controlling the output of a motor by control circuit (D) for maintaining the tension in the moving web within desirable limits.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: August 20, 1996
    Assignee: Alexander Machinery, Inc.
    Inventors: Shala W. Summey, III, William J. Alexander, III