Power drive mechanism for trailer landing gear

Details Power drive mechanism for trailer landing gear Power drive mechanism for trailer landing gear

1981-09-22

1984-08-21

Mitchell, David M.

Land vehicles

Wheeled

Attachment

254419, B60S 906

Patent

active

044666373

ABSTRACT:
A drive motor is arranged to be secured to the frame of a manually operated trailer landing gear assembly, and a releasable coupling is provided for connection between the output shaft of the drive motor and an input shaft of a gear reduction assembly of the landing gear assembly whereby the manual drive is converted to power drive. The releasable coupling allows the drive motor to be disconnected from the gear reduction assembly in the event that it is desired to provide manual operation. The releasable coupling has a structure which maintains a drive connection through axial shifting movements of the gear reduction assembly input shaft.

REFERENCES:
patent: 1334154 (1920-03-01), Harrison
patent: 3177664 (1965-04-01), Konkle
patent: 3182956 (1965-05-01), Dalton
patent: 3402915 (1968-09-01), Dalton
patent: 3784160 (1974-01-01), Phillips
patent: 3861648 (1975-01-01), Glassmeyer
patent: 3874682 (1975-04-01), Dalton
patent: 3895682 (1975-07-01), Graham
patent: 4071147 (1978-01-01), Hornagold
patent: 4129322 (1978-12-01), Kuntz, Jr.
patent: 4187733 (1980-02-01), Walther et al.
patent: 4281852 (1981-08-01), Konkle
patent: 4345779 (1982-08-01), Busby

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