US 11,879,499 B2
Transmission shaft assembly, transmission shaft and associated method
Adriano Savio, Milan (IT); Marcos Louredo Casado, Guipúzcoa (ES); and Koldo Puyadena, Guipúzcoa (ES)
Assigned to Regal Beloit America, Inc., Beloit, WI (US)
Filed by Regal Beloit America, Inc., Beloit, WI (US)
Filed on Jul. 19, 2018, as Appl. No. 16/039,425.
Claims priority of application No. 17182456 (EP), filed on Jul. 20, 2017.
Prior Publication US 2019/0022723 A1, Jan. 24, 2019
Int. Cl. F16C 3/02 (2006.01); F16N 1/00 (2006.01); F16N 25/04 (2006.01); B21B 35/04 (2006.01); B21B 35/14 (2006.01)
CPC F16C 3/02 (2013.01) [F16N 1/00 (2013.01); F16N 25/04 (2013.01); B21B 35/147 (2013.01); F16D 2300/06 (2013.01)] 16 Claims
OG exemplary drawing
1. A transmission shaft assembly for a rolling stand for use in a metal rolling mill, the shaft assembly transmitting lubricant through the assembly, the transmission shaft assembly comprising:
a shaft including an outer periphery and an inner periphery defining a centrally positioned longitudinal opening extending from a first end to an opposed second end of the shaft, the centrally positioned longitudinal opening facilitating conveying of fluid between the first end and the opposed second end;
a sleeve including an outer periphery thereof fitted to the inner periphery the shaft, wherein the sleeve is hollow, wherein a space between the inner periphery of the shaft and the outer periphery of the sleeve define a plurality of internal passageways; and
a rotary distributor mounted on the outer periphery of said shaft and adapted to provide a conduit for the lubricant through the plurality of internal passageways.