Electric trolling motor having planetary gear reduction

Details Electric trolling motor having planetary gear reduction Electric trolling motor having planetary gear reduction

1977-07-25

1978-06-06

Blix, Trygve M.

74785, B63H 513

Patent

active

040929469

ABSTRACT:
An electric motor for trolling at slow speeds and the like and comprising an elongated and generally cylindrical submersed unit which houses an electric motor that in turn drives a planetary gear system that in turn drives the propeller. The planetary gear system includes a compact gear assembly which can be assembled ahead of time and quickly inserted in the gear housing. The internal gear ring of the planetary gear system is quickly and easily secured within and to the gear housing only and by means of cap bolts extending through the gear housing and into engagement with the ring gear, the ring gear being preassembled in the gear housing. The motor also includes a bearing support in which are preassembled anti-friction bearing assemblies. A rear sleeve thrust bearing and a front sleeve thrust bearing are located on opposite sides of the gear assembly and act to threadably support the gear assembly and absorb axial thrust.

REFERENCES:
patent: 1668709 (1928-05-01), Buehler
patent: 4009677 (1977-03-01), Croisant
patent: 4026167 (1977-05-01), Archer

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