Marine propulsion – Screw propeller – With means effecting or facilitating movement of propulsion...
Patent
1984-04-23
1985-11-26
Blix, Trygve M.
Marine propulsion
Screw propeller
With means effecting or facilitating movement of propulsion...
440 6, 440 53, 440 65, B63H 2126
Patent
active
045552339
ABSTRACT:
An electric trolling motor mounting device having improved shock-absorbing capabilities. The device includes a substantially vertical bearing surface and a tube-securing element for holding the vertical tube structure which supports the motor under water, such tube-securing element being attached to the bearing surface by a two-dimensional array of horizontal compressible shock absorbers having springs held in compression between the bearing plate and the tube-securing element. A two-by-two array of four shock absorbers using coil springs is preferred. Bolts extending concentrically through the springs and each having one slideable and one fixed connection are the preferred structure, as are recesses receiving the ends of the coils.
REFERENCES:
patent: 1890938 (1932-12-01), Fahrney
patent: 1990387 (1935-02-01), Linthwaite
patent: 3460506 (1969-08-01), Johns
patent: 3470844 (1969-10-01), Johns
patent: 4033530 (1977-07-01), Harris
patent: 4129088 (1978-12-01), Foley
patent: 4154417 (1979-05-01), Foley
Decko Del P.
Klammer Mark S.
Bartz C. T.
Blix Trygve M.
Johnson Fishing Inc.
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