F - Mech Eng,Light,Heat,Weapons – 16 – C
Patent
F - Mech Eng,Light,Heat,Weapons
16
C
74/203
F16C 13/02 (2006.01) D21G 1/00 (2006.01) D21G 1/02 (2006.01) F16C 13/00 (2006.01) F16C 13/06 (2006.01) F16H 1/08 (2006.01) F16H 57/02 (2006.01)
Patent
CA 1282980
F-6310 (14-124) SPUR GEARING FOR THE DRIVING OF A ROLLER SHELL ABSTRACT OF THE DISCLOSURE Spur gearing including an outer gear rim firmly attached to the roller to be driven. A first self-aligning bearing disposed within the outer gear rim mounts the gear rim to a firm support. A pinion outside of the outer gear rim meshes with the outer gear rim. A journal in the pinion connects it to a support bracket. A second self-aligning bearing joins the pinion to the journal. A pinion driving coupling shaft is coupled to the pinion for driving the pinion to rotate. The pinion can incline with respect to the coupling shaft. To limit the angle of tilt of the pin- ion, in one embodiment, there is a third self-aligning bearing within the pinion to one axial side of the sec- ond bearing and a radial gap between an extension of the journal for the second bearing and the third bear- ing, for allowing and limiting tilting of the pinion axis, and the elements are so sized that the tilt angle of the pinion is limited to about 1° and preferably to less than 0.6°. In the second embodiment, instead of the third self-aligning bearing, the tilt angle limit- ing device includes a first pair of collar disks re- spectively on one axial side of each of the outer gear rim and the pinion gear, and a second pair of collar disks on the other axial side of those gears. The col- ABSTRACT OF THE DISCLOSURE (cont'd.) lar disks are so dimensioned that there is normally a radial gap between the disks of both pairs. Beyond a predetermined tilt angle of about 1° and preferably of less than 0.6°, depending upon the direction of tilt of the pinion, a pair of the collar disks engage to limit the tilting of the pinion.
558742
J. M. Voith G.m.b.h.
Sim & Mcburney
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