Injection apparatus

Details Injection apparatus Injection apparatus

2006-12-12

2006-12-12

Gupta, Yogendra N. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Feed control of material en route to shaping area

C425S150000, C425S587000

Reexamination Certificate

active

07147450

ABSTRACT:
An injection apparatus comprises a screw drive shaft, a motor which generates torque to rotate the screw, a speed reducer, and a power transmission mechanism. The power transmission mechanism has a first pulley on an output shaft of the motor, a second pulley on an input shaft of the speed reducer, and a belt passed around the first and second pulleys. The speed reducer is located between the second pulley and the screw drive shaft. The speed reducer is formed of a planetary gear mechanism, and both its input and output shafts are situated on an extension of an axis of the screw drive shaft.

REFERENCES:
patent: 6227839 (2001-05-01), Yoshida et al.
patent: 6386853 (2002-05-01), Mizuno et al.
patent: 6814558 (2004-11-01), Kubota et al.
patent: 4-77228 (1992-03-01), None
patent: 6-229449 (1994-08-01), None
patent: 7-77227 (1995-03-01), None
patent: 7-213013 (1995-08-01), None
Japanese Office Action, dated Jun. 15, 2004, for Patent Application No. 2002-212877.

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