Invention Grant
- Patent Title: Spin element for arrow or bolt
- Patent Title (中): 箭头或螺栓的自旋元件
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Application No.: US11595809Application Date: 2006-11-10
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Publication No.: US07955201B2Publication Date: 2011-06-07
- Inventor: Frank A. Harwath , Robert S. Mizek
- Applicant: Frank A. Harwath , Robert S. Mizek
- Applicant Address: US IL Forest Park
- Assignee: New Archery Products Corp.
- Current Assignee: New Archery Products Corp.
- Current Assignee Address: US IL Forest Park
- Agency: Pauley Petersen & Erickson
- Main IPC: F42B6/04
- IPC: F42B6/04

Abstract:
An arrow element, such as an insert and/or sleeve, mounted with respect to a shaft with at least one airflow resistor projecting outward from the insert to impart rotational spin about a longitudinal axis or spin axis arrow during flight, to increase aerodynamic performance and stability of the arrow shaft, and to improve arrow flight accuracy.
Public/Granted literature
- US20080113834A1 Spin element for arrow or bolt Public/Granted day:2008-05-15
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