Collapsible downrigger arm assembly

Details Collapsible downrigger arm assembly Collapsible downrigger arm assembly

1989-02-22

1990-05-29

Rowan, Kurt

Fishing, trapping, and vermin destroying

Fishing

Fixed support line handling means, e.g., trawls

A01K 8900

Patent

active

049284207

ABSTRACT:
A collapsible downrigger arm assembly is disclosed which is configured for use with an associated downrigger system. The arm assembly includes a plurality of elongated, cylindrical arm sections positionable in longitudinally aligned, end-to-end relationship. The arm sections can be conveniently and releasably secured together by a releasable joint construction which is provided between each adjacent pair of the arm sections. Each joint construction has been particularly configured to resist vibration-induced loosening of the joint and bending flexure of the arm assembly, and thus includes a mating threaded shank and bore arrangement, a vibration-resisting support boss and a mating socket, and associated cooperating locking surfaces which are urged into abutting relationship attendant to disposition of the threaded shank in the associated threaded bore.

REFERENCES:
patent: 2888770 (1959-06-01), Patrick
patent: 3232638 (1966-02-01), Hollander
patent: 3348329 (1967-10-01), Seemann
patent: 3968587 (1976-07-01), Kammeraad
patent: 4128960 (1978-12-01), Marek
patent: 4167829 (1979-09-01), Henze et al.
patent: 4572549 (1986-02-01), Sidwell
patent: 4679346 (1987-07-01), Angelety

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