Patent · US Active

Retractable fin and fin box

US10046836B2 · kind B2 · utility

2Cited by
7References
16Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 28, 2016
Grant dateAug 14, 2018
Priority date—
Expiry dateSep 28, 2036

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB63B32/64
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A retractable fin system having a retractable fin and fin box is disclosed. An example retractable fin system includes a housing insertable into an opening in a watercraft board. The example retractable fin system also includes a retractable fin. The example retractable fin system also includes a bias to maintain the retractable fin in a default outward position from the housing. The bias retracts the retractable fin into the housing on contact with an outside force.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.