US 12,422,023 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. 17/931,926.
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 2023/0132573 A1, May 4, 2023
Int. Cl. F16H 7/06 (2006.01); A01F 15/08 (2006.01); F16H 55/30 (2006.01)
CPC F16H 7/06 (2013.01) [A01F 15/085 (2013.01); F16H 55/303 (2013.01)] 20 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;
a stop on the journal adjacent the fixed end of the journal;
a spring element disposed between the rotary bearing and the stop; and
a clamp attached to the free end of the journal and operable to preload the rotary bearing against the spring element, wherein the clamp is adjustable relative to the journal to change the preload between the rotary bearing and the spring element whereby an axial position of the rotary bearing and the sprocket along the journal is controllable.