US 12,379,022 B2
Device for adjusting a sprocket of a chain drive
Mickael Zabe, Ougney (FR)
Assigned to DEERE & COMPANY, Moline, IL (US)
Filed by DEERE & COMPANY, Moline, IL (US)
Filed on Sep. 14, 2022, as Appl. No. 17/931,922.
Claims priority of application No. 102021128386.8 (DE), filed on Oct. 29, 2021; and application No. 102021128389.2 (DE), filed on Oct. 29, 2021.
Prior Publication US 2023/0133649 A1, May 4, 2023
Int. Cl. F16H 55/00 (2006.01); A01F 15/00 (2006.01); A01F 15/08 (2006.01); F16H 55/30 (2006.01)
CPC F16H 55/30 (2013.01) [A01F 15/085 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A chain drive for a work vehicle, the chain drive comprising:
a journal having a free end and a fixed end;
a rotary bearing arranged on the journal;
a sprocket guided on the rotary bearing;
wherein the bearing journal has a first external thread region proximate the fixed end of the journal and a second external thread region proximate the free end of the journal;
a first threaded nut is arranged on the first external thread region, and a second threaded nut is arranged on the second external thread region, with the rotary bearing disposed between the first threaded nut and the second threaded nut, whereby the rotary bearing is clamped on the journal between the first threaded nut and the second threaded nut, and whereby an axial position of the rotary bearing and the sprocket along the journal is controllable by the position of the first threaded nut on the first external thread region and the position of the second threaded nut on the second external thread region.