Adjustable depth fishing bobber
US6612066B1 · kind B1 · utility
Inventor
Key dates
| Filing date | Sep 27, 2002 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Sep 27, 2022 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K93/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An adjustable depth fishing bobber having a hollow bobber housing for upright floatation having a top and a bottom opening, an elongated stem extending displaceably through said housing openings and having provision for the attachment of a fishing line to an upper end and a fishing leader to a lower end, a top cap affixed to the stem above the housing that normally engages the housing to sealably close the top opening, and a coiled spring surrounding the stem within the housing urging the stem downwardly with respect to the housing to normally close the top opening, the stem being upwardly displaceable relative to the housing whereby a quantity of water can be admitted into or drained from the housing to vary the buoyancy of the bobber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.