Fishing – trapping – and vermin destroying – Fishing – Rod
Patent
1987-06-29
1989-01-17
Rowan, Kurt
Fishing, trapping, and vermin destroying
Fishing
Rod
43 261, 43 4313, A01K 9100
Patent
active
047980214
ABSTRACT:
A versatile and adaptable streamlined downrigger which, when pulled through water behind a boat, automatically and horizontally jigs a releasably-attached fishing line. The downrigger has a jigging line which is reeled in and pulled out of its housing. At the free end of this line is a finned release device which releasably captivates a fishing line. The fishing line is released upon striking of a fish. The housing has a set of fins which bias the downrigger's "swimming" position (left, right, or directly behind) relative to the point of attachment to the boat. This allows a number of downriggers to be used behind a small boat without the tangling of fishing or towing lines. The housing also mounts a propeller whose blades have fish-attractant prismatic reflective surfaces. Movement of the downrigger through the water causes the propeller to turn and to "flash" attractively. Means are provided for automatically and repeatedly coupling and decoupling the propeller to a reel for the jigging line, so as to alternatively reel in and allow the line to feed out. These means include a snap action lever arm which is pivoted (by actuators attached to separate points of the jigging line) between two home positions, to which it is spring biased to avoid "hang up" at an intermediate position. The housing includes a compartment which can be filled fully or partly with air or water or heavy materials to change the buoyancy and thus change the underwater movement of the downrigger. The unit is easily disassembled to allow the substitution of different propellers with different-colored or types of prismatic reflectors.
REFERENCES:
patent: 2521852 (1950-09-01), Jones
patent: 2596269 (1952-05-01), Metzger
patent: 3835573 (1974-09-01), Borchardt
patent: 3908300 (1975-09-01), Kuismi
patent: 4204356 (1980-05-01), Smith
patent: 4486970 (1984-12-01), Larson
patent: 4509287 (1985-04-01), Hood
patent: 4638585 (1987-01-01), Korte
Kinney Richard G.
Rowan Kurt
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