B - Operations – Transporting – 31 – F
Patent
B - Operations, Transporting
31
F
B31F 1/14 (2006.01) D21G 3/00 (2006.01)
Patent
CA 2136185
A creping system includes a Yankee dryer rotatable about its axis, a blade support mechanism which includes (a) a pair of guide rails (44, 46), (b) a fixed attitude linear bearing engaging and translatable along each of the guide rails, each fixed attitude linear bearing being mounted on a block (50) and (c) a com- bination linear-rotary bearing being carried by each block, the axis of each combination line- ar-rotary bearing being parallel to the genera- tors of the surface of the Yankee dryer and colinear with the axis of the other combination linear-rotary bearing. A stub shaft (20A) en- gages each combination linear-rotary bearing, each stub shaft being translatable along, and rotatable about, the axis of its respective com- bination linear-rotary bearing. A blade holder (12A) is mounted between the stub shafts, and a blade mounted on the blade holder for en- gagement with the surface of the Yankee dry- er. The blade support mechanism allows the creping angle of the blade to be adjusted and maintained within a desired range by allowing adjustment of the creping blade angle to compensate for changes in creping angle due to flexure of the blade and flank wear on the blade. This adjustment is permitted while allowing the blade holder (18) to be (a) translated in a direction parallel to the generators of the surface of the Yankee dry- er, (b) rotated about the axis of the stub shafts, and (c) urged inwardly toward, or outwardly away from, the surface of the Yankee dryer.
Fort James Corporation
Rogers Law Office
LandOfFree
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