Machine element or mechanism – Rotary member or shaft indexing – e.g. – tool or work turret – Preselected indexed position
Patent
1983-10-07
1986-05-06
Pate, III, William F.
Machine element or mechanism
Rotary member or shaft indexing, e.g., tool or work turret
Preselected indexed position
74410, 74665GA, F16H 132
Patent
active
045864020
ABSTRACT:
A drive for a two-worm extruder has a housing, an electric motor secured to the housing and having a motor output rotatable about a motor axis therein, and a planetary gear transmission in the housing including a sun gear, a ring gear coaxially surrounding the sun gear, and a driven planet gear in mesh between the sun and ring gear. A first output shaft extends axially through the planetary transmission within the ring gear and has an outer end adapted to be secured to one of the worms of the extruder. A second output shaft carried on the sun gear has an outer end adjacent that of the first output shaft and is adapted to be secured to the other worm of the extruder. A force-splitter includes a continuous-mesh gear train connected to the first shaft, to the planet gear, and to the motor output for driving the first shaft and the planet gear from the motor output. At least two further idling planet gears are journaled in the housing and each in mesh between the sun gear and the ring gear. The planet gears are angularly equispaced about the sun gear.
REFERENCES:
patent: 3359826 (1967-12-01), Hanslik
patent: 3766797 (1973-10-01), Hanslik et al.
patent: 3824875 (1974-07-01), Willert et al.
patent: 4136580 (1979-01-01), Brand et al.
patent: 4144775 (1979-03-01), Schafer
patent: 4173906 (1979-11-01), Altenbokum et al.
patent: 4261225 (1981-04-01), Zahradnik
patent: 4315440 (1982-02-01), Chszaniecki
Battenfeld Extrusionstechnik GmbH
Diehl Dwight G.
Dubno Herbert
Pate III William F.
Ross Karl F.
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