414 / | HD | MATERIAL OR ARTICLE HANDLING |
331.01 | DF | MOVABLE RACK HAVING SUPERPOSED, CHARGE-SUPPORTING ELEMENTS, AND EXTERNAL MEANS FOR CHARGING OR DISCHARGING ELEMENTS {5} |
331.14 | .~ Rack moved vertically by elevating means {4} | |
331.15 | DF | .~.~> Having means for detecting presence of article on rack |
331.16 | DF | .~.~> Charging or discharging means is a pusher |
331.17 | DF | .~.~> Charging or discharging means is a conveyor |
331.18 | DF | .~.~> Charging or discharging means is a reciprocating arm |