Step-down transmission for driving a plurality of extrusion scre

Details Step-down transmission for driving a plurality of extrusion scre Step-down transmission for driving a plurality of extrusion scre

1979-02-16

1981-04-14

Husar, C. J.

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

74412R, 74413, F16H 3706, F16H 102

Patent

active

042612250

ABSTRACT:
A step-down transmission for driving a plurality of extrusion screws from a common power source comprises a main shaft, directly connected with one screw and coupled with the source via a reduction gearing, and one or more pairs of corotating ancillary shafts coupled with the main shaft via gear trains each including a cylindrical gear in mesh with two spur gears respectively keyed to the shafts of the corresponding pair. The paired ancillary shafts carry helical gears in mesh with a common pinion on a shaft of another screw closely adjoining and possibly intermeshing with the first-mentioned screw.

REFERENCES:
patent: 3824875 (1974-07-01), Willert et al.
patent: 3922997 (1975-12-01), Jameson
patent: 3969956 (1976-07-01), Hanslik

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