Invention Grant
- Patent Title: Dual axle skateboard and truck with outboard secondary wheels and method
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Application No.: US16747397Application Date: 2020-01-20
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Publication No.: US11130046B2Publication Date: 2021-09-28
- Inventor: John R. Marusiak , John A. Solheim , Eric V. Cole
- Applicant: KARSTEN MANUFACTURING CORPORATION
- Applicant Address: US AZ Phoenix
- Assignee: KARSTEN MANUFACTURING CORPORATION
- Current Assignee: KARSTEN MANUFACTURING CORPORATION
- Current Assignee Address: US AZ Phoenix
- Main IPC: A63C17/00
- IPC: A63C17/00 ; A63C17/01

Abstract:
Improved skateboards and methods of obtaining or providing skateboards with improved trucks. Trucks have two axles or axes, two primary wheels, and two secondary wheels, and skateboards have eight wheels, four in front and four at the rear portion of the skateboard. The four primary wheels support most or all of the weight of the skateboard when the skateboard is on a flat surface, and the two secondary wheels support the weight of one portion of the skateboard (e.g., front or rear) when the primary wheels cross a crack (e.g., a sidewalk contraction joint). In various embodiments, the secondary wheels are located outboard of the primary wheels. Further, in a number of embodiments, the axis of rotation or axle of the primary wheels remains parallel to that of the secondary wheels, whether the skateboard is going straight or turning.
Public/Granted literature
- US20200147476A1 DUAL AXLE SKATEBOARD AND TRUCK WITH OUTBOARD SECONDARY WHEELS AND METHOD Public/Granted day:2020-05-14
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