Patent ID: 6926305

Claim:
A trailer landing gear lifting device for actuating the landing gear of a trailer, said lifting device comprising, a. a first jack, said jack comprising a first tubular body in which a second tubular body is telescopically mounted and a power transfer drive gear mechanism for telescoping said second tubular body within said first tubular body; b. a second jack, said second jack comprising a first tubular body in which a second tubular body is telescopically mounted and a gear mechanism for telescoping said second tubular body within said first tubular body; c. a drive shaft connecting said power transfer drive gear mechanism of said first jack with said gear mechanism of said second jack, such that actuation of said power transfer drive gear mechanism of said first jack results in actuation of said gear mechanism of said second jack; d. a worm gear set engaged with said power transfer drive gear mechanism of said first jack; e. an input shaft rotatingly connected to said worm gear set to actuate said worm gear set upon rotation of said input shaft, said input shaft provided with a first coupler; and f. a removable first motor operable by a first input, said first motor having an output shaft provided with a second coupler, wherein said second coupler is disposed to engage the first coupler of said input shaft.