Jack

Details Jack Jack

1990-06-29

1991-04-30

Watson, Robert C.

Implements or apparatus for applying pushing or pulling force

Single throw lever

Mechanically actuated

254DIG4, B66F 312

Patent

active

050111183

ABSTRACT:
The invention concerns a jack (10) with at least one leg (12) and an arm (16) that is connected to it, that can move up and down with its position varied by an adjusting mechanism (26), and that has a supporting plate (40) at its outer and free end that pivots on a horizontal shaft (52) on the arm. The supporting plate is secured to the shaft by at least one eye (50) that is stamped out of the supporting-plate component, whereby the ends of the eyes are in one piece with components of the supporting plate.

REFERENCES:
patent: 3991961 (1976-11-01), Platzer
patent: 4194725 (1980-03-01), Erschens
patent: 4919392 (1990-04-01), Minuto

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