US 12,245,540 B2
Agricultural row unit accessory
Jeffrey Alan Sivinski, Cherokee, IA (US); Byron James Friesen, Storm Lake, IA (US); and Garry D. Friesen, Storm Lake, IA (US)
Assigned to Harvest International, Inc., Storm Lake, IA (US)
Filed by Harvest International, Inc., Storm Lake, IA (US)
Filed on Apr. 4, 2022, as Appl. No. 17/657,896.
Application 17/657,896 is a continuation of application No. 17/446,009, filed on Aug. 26, 2021.
Application 17/446,009 is a continuation of application No. 16/352,179, filed on Mar. 13, 2019, granted, now 11,185,008, issued on Nov. 30, 2021.
Claims priority of provisional application 62/643,862, filed on Mar. 16, 2018.
Prior Publication US 2022/0225561 A1, Jul. 21, 2022
Int. Cl. A01C 5/06 (2006.01); A01B 15/12 (2006.01); A01B 15/16 (2006.01); A01C 7/00 (2006.01); A01C 7/20 (2006.01); A01C 13/00 (2006.01); A01C 15/00 (2006.01)
CPC A01C 5/064 (2013.01) [A01B 15/12 (2013.01); A01B 15/16 (2013.01); A01C 7/006 (2013.01); A01C 7/201 (2013.01); A01C 7/203 (2013.01); A01C 13/00 (2013.01); A01C 15/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An accessory for use with an agricultural row planter mounted on a tool bar, comprising:
a first tool assembly;
a second tool assembly;
a linkage assembly extending from the tool bar in front of the agricultural row planter;
one of the first and second tool assemblies being selectively mounted on the linkage assembly using a quick coupler connection so as to reside below the tool bar and in front of the agricultural row planter;
the quick coupler connection including hooks on the first and second tool assemblies to hook onto the linkage assembly, and retained with a single, removable retention member extending horizontally through the linkage assembly above the hooks for securing the hooks to the linkage assembly;
the first and second tool assemblies being interchangeable with one another; and
an actuator to pivot the linkage assembly between raised and lowered positions.