US 12,225,855 B2
Over-center latch with mount, base plate, lever, and center pin for combine concaves
Andrew Dahl, Lynn Center, IL (US); Marion Calmer, Alpha, IL (US); and Daniel Wallerstedt, Rio, IL (US)
Assigned to CALMER HOLDING COMPANY, LLC, Lynn Center, IL (US)
Filed by CALMER HOLDING COMPANY, LLC, Lynn Center, IL (US)
Filed on May 28, 2024, as Appl. No. 18/676,197.
Application 18/676,197 is a continuation in part of application No. 18/520,943, filed on Nov. 28, 2023.
Application 18/520,943 is a continuation of application No. 29/868,301, filed on Nov. 29, 2022.
Claims priority of provisional application 63/579,718, filed on Aug. 30, 2023.
Prior Publication US 2024/0306551 A1, Sep. 19, 2024
Int. Cl. A01F 12/24 (2006.01); A01F 12/26 (2006.01); A01F 12/28 (2006.01); F21V 17/18 (2006.01); A45C 13/10 (2006.01); F16B 7/14 (2006.01)
CPC A01F 12/24 (2013.01) [A01F 12/26 (2013.01); A01F 12/28 (2013.01); F21V 17/18 (2013.01); A45C 13/1084 (2013.01); F16B 7/1418 (2013.01); Y10S 292/30 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An over-center latch for attaching a cover plate or MOG limiter to an outer surface of a concave for a combine comprising:
a pentagonal base plate formed from steel including a pair of ears protruding therefrom;
a lever with a loop at one end that is configured to attach to a catch plate, wherein an end opposite the one end with a loop is operatively connected to the pentagonal base plate via a center pin that allows the lever to rotate with respect to a handle, in which the handle is connected to the pair of ears;
wherein either the handle or the lever can be pulled into a vertical position;
wherein the over-center latch secures the cover plate or MOG limiter to the outer surface of the concave.