Fire escape – ladder – or scaffold – Having transpositioning base and erecting means
Patent
1996-01-26
1999-11-30
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Having transpositioning base and erecting means
182 695, B66F 1104
Patent
active
059925620
ABSTRACT:
A controller for a scissor lift control system includes a multiplexing device for lessening the number of conductor lines sent to the controller. The controller includes a microprocessor, and it determines appropriate safe operations of the scissor lift based on various sensed inputs, such as height of the platform and load on the platform. The scissor lift is operated by pushing either a drive select push button, a lift select push button, or a deck select push button. After the switch is selected, the operator has a predetermined amount of time to stroke the joystick in order to effect movement of the scissor lift.
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Boeckman Brian M.
Mellott Lex A.
Chin-Shue Alvin
JLG Industries Inc.
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