| 摘要 |
A NON-TILTING STEEL CONCRETE MIXER ON A FOUR-WHEEL OPEN CART (20) COMPRISES AN OPEN TOP DRUM (10) WITH A THREE-ARMED ROTARY PADDLE (60) FITTED ONTO A VERTICAL AXLE (70) CENTRALLY PLACED THROUGH THE DRUM BASE TO CONNECT SAID PADDLE (60) TO AN ELECTRO-MECHANICAL DRIVE MEANS (NOT SHOWN) HOUSED IN A CHAMBER (40) BENEATH SAID DRUM (10). THE DRUM BOTTOM HAS A SOMEWHAT SEMI-CIRCULAR OPENING (52) WHICH CAN BE CLOSED BY A HAND-LEVERED FLAT COVER (51), FOR CONCRETE MIX OUTFLOW. THE PADDLE'S (60) THREE EXTENDING ARMS (63, 64, 65) FAN OUT FROM A COMMON CENTRE AND CARRY UNIQUELY SHAPED APPENDAGES.(FIG. 3)
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