Motor vehicles – With means for promoting safety of vehicle – its occupant or... – By preventing unauthorized or unintended access or use
Patent
1994-03-01
1995-08-15
Rice, Kenneth R.
Motor vehicles
With means for promoting safety of vehicle, its occupant or...
By preventing unauthorized or unintended access or use
2807661, B60R 2500, B60S 902
Patent
active
054411246
ABSTRACT:
A mounting plate secured to a vehicular axle includes an elevator plate adjustably spaced from the mounting plate employing plural pairs of toggle links, wherein the toggle links are actuated by a piston rod. The piston rod is arranged for retraction to the first toggle links to effect opening of the toggle links and their spacing of the elevator plate relative to the mounting plate. A pump structure is arranged to direct pressurized air to the piston mounted to said piston rod, such that upon deactivation of the ignition switch within the associated vehicle, the pump is deactivated to direct the piston and the piston rod in a spaced relationship relative to the first toggle link pair and project the elevator plate relative to the mounting plate and thereby elevate the vehicle axle relative to an underlying support surface.
REFERENCES:
patent: 2190489 (1940-02-01), Sellinger et al.
patent: 4360074 (1982-11-01), Parquet
patent: 4955450 (1990-09-01), Deinlein-Kalb et al.
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