Abstract: A control system is provided. The control system allows for control of four independent movement functions with an overriding safety switch or deadman switch. The four different movement functions can be operated simultaneously, or independently, as desired. In preferred embodiments the movement functions of the control handle are coordinated to movement of the controlled device.
Type:
Grant
Filed:
June 11, 1990
Date of Patent:
May 12, 1992
Assignee:
Reach All
Inventors:
Glen D. Tapper, Timothy J. Raymond, Ernest E. Enlund