US 11,832,541 B2
Driven and non-driven rotatable tine assemblies for a turf aerator
George Kinkead, Mendota Heights, MN (US); Steven Ferguson, Scandia, MN (US); Terrence R. Bondeson, Woodbury, MN (US); Tom Fiske, Brooklyn Park, MN (US); and Roger Lee Larson, Shoreview, MN (US)
Assigned to TURFCO MANUFACTURING, INC., Blaine, MN (US)
Filed by TURFCO MANUFACTURING, INC., Blaine, MN (US)
Filed on Mar. 22, 2021, as Appl. No. 17/207,840.
Application 17/207,840 is a division of application No. 16/284,167, filed on Feb. 25, 2019, granted, now 10,952,363.
Application 16/284,167 is a division of application No. 15/331,931, filed on Oct. 24, 2016, granted, now 10,212,872, issued on Feb. 26, 2019.
Application 15/331,931 is a division of application No. 13/282,095, filed on Oct. 26, 2011, granted, now 9,474,196, issued on Oct. 25, 2016.
Claims priority of provisional application 61/407,126, filed on Oct. 27, 2010.
Prior Publication US 2021/0204461 A1, Jul. 8, 2021
Int. Cl. A01B 45/02 (2006.01); A01B 63/16 (2006.01)
CPC A01B 45/02 (2013.01) [A01B 45/026 (2013.01); A01B 63/166 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A tine assembly-comprising, in combination:
a tine plate rotatable about an axis, with the tine plate including a periphery and a plurality of non-intersecting, generally semi-circular cross section cavities formed in and extending into the tine plate;
a plurality of tubular tines, with each tubular tine received in one of the plurality of cavities extending tangentially to the axis for a length, with each of the plurality of non-intersecting, generally semi-circular cross section cavities intersecting the periphery and having a constant size from the periphery for the length;
a single bolt extending diametrically through each tubular tine, extending through the one of the plurality of cavities, and connected to the tine plate, with each tubular tine being removable from the tine plate by removing only the single bolt; and
an attachment ring, with the tine plate located intermediate the attachment ring and each tubular tine, and with each single bolt connected to the attachment ring.