| 摘要 |
An adjustable depth fishing bobber having a hollow bobber housing for uprigh t 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 upp er 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 t he 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 .
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