US 12,083,411 B2
Skateboards with a multi-wheel truck
Dylan R. Cappello, Charlotte, NC (US); John A. Solheim, Phoenix, AZ (US); Jordan D. Shoenhair, Scottsdale, AZ (US); and Justin A. Paselk, Phoenix, AZ (US)
Assigned to Karsten Manufacturing Corporation, Phoenix, AZ (US)
Filed by KARSTEN MANUFACTURING CORPORATION, Phoenix, AZ (US)
Filed on Jun. 27, 2023, as Appl. No. 18/342,660.
Application 18/342,660 is a continuation of application No. 17/362,784, filed on Jun. 29, 2021, granted, now 11,684,842.
Claims priority of provisional application 63/201,491, filed on Apr. 30, 2021.
Claims priority of provisional application 63/045,582, filed on Jun. 29, 2020.
Prior Publication US 2023/0338817 A1, Oct. 26, 2023
Int. Cl. A63C 17/01 (2006.01)
CPC A63C 17/015 (2013.01) [A63C 17/012 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A truck comprising:
a hanger comprising a first end and a second end spaced from the first end and a longitudinal axis extending from the first end to the second end;
a wheel assembly located near one of the first end and the second end of the hanger and coupled to the hanger by a central axle, the wheel assembly comprising:
a central wheel and a level arm each coupled to the central axle;
wherein the level arm is configured to rotate about the central axle and
comprises a front aperture, a middle aperture, and a rear aperture;
a front axle received by the front aperture of the level arm;
a rear axle received by the rear aperture of the level arm;
a plurality of auxiliary wheels comprising:
a leading wheel affixed to the front axle;
a trailing wheel affixed to the rear axle;
a shoulder wherein the shoulder further comprises a plurality of notches;
an attack angle defined between a first reference line tangent to a forwardmost and outermost point of the leading wheel and a forwardmost and outermost point of the central wheel and a second reference line perpendicular to the longitudinal axis;
wherein the wheel assembly further comprises a spring mechanism configured to limit rotation of the level arm about the central axle; wherein the spring mechanism comprises a spring insert received within a spring recess of the level arm; and
wherein the spring mechanism comprises a substantially flat geometry that corresponds to the shape of the spring recess.