US 12,485,701 B2
Collapsible wheels and methods of making collapsible wheels
John A. Solheim, Phoenix, AZ (US); Eric V. Cole, Phoenix, AZ (US); and Neil J. Clark, Lincoln (GB)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed on Jun. 21, 2024, as Appl. No. 18/751,024.
Application 18/751,024 is a continuation of application No. 17/129,792, filed on Dec. 21, 2020, granted, now 12,017,477.
Application 17/129,792 is a continuation in part of application No. 16/934,995, filed on Jul. 21, 2020, granted, now 11,667,152.
Application 16/934,995 is a continuation of application No. 16/206,679, filed on Nov. 30, 2018, granted, now 10,717,320, issued on Jul. 21, 2020.
Application 16/206,679 is a continuation of application No. 14/945,577, filed on Nov. 19, 2015, granted, now 10,179,476, issued on Jan. 15, 2019.
Application 14/945,577 is a continuation in part of application No. 14/337,640, filed on Jul. 22, 2014, granted, now 9,981,501, issued on May 29, 2018.
Application 14/337,640 is a continuation of application No. 14/063,601, filed on Oct. 25, 2013, granted, now 8,833,864, issued on Sep. 16, 2014.
Claims priority of provisional application 62/951,509, filed on Dec. 20, 2019.
Claims priority of provisional application 61/719,634, filed on Oct. 29, 2012.
Prior Publication US 2024/0343063 A1, Oct. 17, 2024
Int. Cl. B60B 19/04 (2006.01); B60B 9/04 (2006.01); B60B 9/26 (2006.01); B60B 9/28 (2006.01); B60B 25/00 (2006.01)
CPC B60B 19/04 (2013.01) [B60B 9/04 (2013.01); B60B 9/26 (2013.01); B60B 9/28 (2013.01); B60B 25/00 (2013.01); B60B 25/004 (2013.01); B60B 2320/10 (2013.01); B60B 2320/50 (2013.01); B60B 2340/30 (2013.01); B60B 2900/313 (2013.01); B60B 2900/351 (2013.01); B60Y 2200/86 (2013.01); Y10T 29/49513 (2015.01)] 11 Claims
OG exemplary drawing
 
1. A wheel configured to be in an expanded configuration or a collapsed configuration and comprising:
a hub defining a rotational axis;
a plurality of spokes extending from the hub, wherein each spoke of the plurality of spokes comprises interior end;
a plurality of rims;
wherein:
the hub comprises an extension system;
wherein the extension system comprises at least one spoke extension,
the at least one spoke extension comprises a first end and a second end,
wherein the first end is rotatably attached to the hub, and
the interior end of each spoke of the plurality of spokes is rotatably fastened to the second end;
wherein:
in the expanded configuration, the at least one spoke extension forms a portion of a spoke length, and
in the collapsed configuration, the at least one spoke extension forms an acute angle with at least one spoke of the plurality of spokes.