Jack apparatus

Details Jack apparatus Jack apparatus

2007-10-02

2007-10-02

Dinh, Tien (Department: 3644)

Aeronautics and astronautics

Aircraft propulsion and steering on land or water

Reexamination Certificate

active

11153591

ABSTRACT:
A jack apparatus for lifting an aircraft having landing gear including snow skis comprising a generally rectangular base having a first end, a second end opposite the first end, and at least two lateral members extending between the ends. The base is sized and shaped for positioning between the snow skis. The apparatus further includes a lift having a base end pivotally connected to the base adjacent its second end and a lifting end opposite the base end. The apparatus also includes a slide slidably connected to the base and a brace having an upper pivot end pivotally connected to the lift and a lower pivot end pivotally connected to the slide. In addition, the apparatus includes an actuator connected between the base and the slide for sliding the slide along the base.

REFERENCES:
patent: 1661791 (1928-03-01), Dutro
patent: 1697364 (1929-01-01), McCollum et al.
patent: 3844421 (1974-10-01), Nielsen
patent: 4488612 (1984-12-01), Patterson
patent: 5056624 (1991-10-01), Georges
patent: 5056981 (1991-10-01), Knowles
patent: 5135346 (1992-08-01), Roach
patent: 6986503 (2006-01-01), Arzouman

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