Internal mixer having two speed gearing

Details Internal mixer having two speed gearing Internal mixer having two speed gearing

1994-05-04

1994-12-13

Scherbel, David A.

Agitating

Rubber or heavy plastic working

Stirrer with specified drive means

74333, 74665GA, B29B 722

Patent

active

053724194

ABSTRACT:
An internal mixer has two rotors operated at either the same speed or different speeds. In two communicating cylindrical closed spaces which are round in cross section, two rotors connected with two output shafts of a speed reducer are juxtaposed in a non-engaged state, to transmit the driving power from the prime mover to the speed reducer, thus turning the two rotors in opposite directions. In this internal mixer, the two rotors are usable both at the same speed and at different speeds because of the use of the speed reducer having two output shafts whose speed of revolution is changeable between the same speed and different speeds. In one embodiment, the speeds of revolution of the output shafts are changed by a slidable clutch and in another embodiment, the speeds of revolution are changed by a movable stepped gear.

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