Elevator – industrial lift truck – or stationary lift for vehicle – Miscellaneous
Reexamination Certificate
2006-07-11
2006-07-11
Lillis, Eileen D. (Department: 3652)
Elevator, industrial lift truck, or stationary lift for vehicle
Miscellaneous
Reexamination Certificate
active
07073634
ABSTRACT:
An automated warehouse system row cart includes a lifter that uses cams to raise and lower pallets. Three symmetrical cam lobes are cut into a hollow cylinder. Three matching cam lifters ride these lobes and are attached to an elevator plate. A stepper motor running in one direction is used to raise and lower the elevator plate by virtue of the action between the cam lobes and lifters.
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Mitchell Pat R.
Tipton William R.
California Natural Products
Fox Charles A.
Hill Robert Charles
Lillis Eileen D.
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