Outrigger jack

Details Outrigger jack Outrigger jack

1999-09-16

2000-08-08

Camby, Richard M.

Land vehicles

Wheeled

Attachment

2807631, B60S 902

Patent

active

060990341

ABSTRACT:
An outrigger jack 10 comprises an outer post 11, an inner post 12, which is inserted and axially movable in the outer post, and an extension cylinder 15, which is provided inside the outer and inner posts 11 and 12 to move the inner post 12 with respect to the outer post 11 so as to extend or contract the outrigger jack. The outrigger jack 10 further comprises a ground plate 25, which is provided pivotally at the lower end of the inner post 12 through a coupling mechanism 20. This coupling mechanism 20 comprises a U-shaped member 21, which is fixed on the lower end of the inner post 12, and an inverted U-shaped member 23, which is engaged with the U-shaped member 21 and fixed on the ground plate 25. The lower end of the cylinder rod 17 which is exposed out of the lower end of the inner post 12 is formed in such a way as to engage with the inner post 12 as well as to meet the inverted U-shaped member 23.

REFERENCES:
patent: 3438509 (1969-04-01), Munn
patent: 4402526 (1983-09-01), Huetsch
patent: 5267749 (1993-12-01), Hughes
patent: 5409251 (1995-04-01), Thorndyke
patent: 5901980 (1999-05-01), Few et al.

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