Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1988-02-09
1989-08-08
Rolla, Joseph J.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187 18, 182141, 254 89H, B60S 1300
Patent
active
048544213
ABSTRACT:
A system for lifting a vehicle for repair thereof has a pair of parallel pits which are made in a floor and connected to each other by a passage. A rotatable support rod extends through the entire length of said passage and projects into both of the pits. A pair of scissors jacks are supported in the respective pits. Each scissors jack includes a pair of parallel vertically-extensible double-scissors constructions. The double-scissors constructions can be retracted or folded into the associated pit. Each double-scissors construction comprises a pair of upper and lower vertically-extensible X-shaped elements pivotally connected to each other. Each X-shaped element includes a pair of links pivotally connected to each other in the alphabetical letter "X". One of the links of the lower X-shaped element has a lower end fixed to the support rod, so that all the four double-scissors constructions of the two scissors jacks are connected to the common support rod. The other link of the lower X-shaped element has a lower end slidably supported in the pit. A vehicle support is supported on the upper X-shaped elements of the double-scissors constructions. One of the links of each upper X-shaped element has an upper end pivotally connected to the vehicle support, and the other link thereof has an upper end slidably connected to the vehicle support.
REFERENCES:
patent: 3341042 (1967-09-01), Carder
patent: 3447635 (1969-06-01), Carlbem
patent: 4573663 (1986-03-01), Nussbaum
patent: 4577821 (1986-03-01), Edmo et al.
patent: 4724930 (1988-02-01), Van Lierop
Noland Kenneth
Rolla Joseph J.
Sugiyasu Industries Co., Ltd.
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