D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/17.5
D21F 1/02 (2006.01)
Patent
CA 1299003
ABSTRACT OF THE DISCLOSURE An apparatus is disclosed for selectively moving the slice lip of a headbox of a papermaking machine. The apparatus includes a housing secured to the headbox with the housing defining an elongate chamber. A control rod has a first and a second end with the first end being connected to the slice lip and the second end defining a longitudinally-threaded surface. A rotatable member is disposed within the chamber, the rotatable member defining an internally-threaded bore which cooperates with the threaded surface of the control rod such that when the member rotates within the chamber, the control rod is moved axially relative to the housing for selectively moving the slice lip. A motor is rigidly secured to the housing and is drivingly connected to the rotatable member for selectively rotating the rotatable member relative to the housing. The motor and the rotatable member are coaxial such that the apparatus is of compact configuration so that the space required by the apparatus is reduced and a larger number of control rods may be disposed in side-by-side relationship in a cross-machine direction such that the controllability of the slice lip is increased.
563165
Metso Paper Inc.
Mitsubishi Heavy Industries Ltd.
Ridout & Maybee Llp
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