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US 4,542,882 AGranted
Air jack for use with a vehicle exhaust system
OwnerDavid Choeinventor
Life of this patent
Estimating the term…
Abstract
An air jack for use in raising vehicles from the ground comprising an air bag, a hose member which is adapted to connect the exhaust system of a vehicle to the air bag and a valve for preventing the release of exhaust gases from the air bag after it has been inflated.
Claims6
An air jack comprising:
- a hose member, containing a connecting means disposed at one end thereof,
- an inflatable member provided with a support plate containing a plurality of spikes attached thereto, said inflatable member being provided with a socket connector, whereby the connecting means on said hose member can be secured to the socket connector by a simple twisting action,
- adapter means disposed at the other end of the hose member for attaching said end of said hose member to the exhaust system of a vehicle, and
- back valve means disposed in said hose member for preventing a back flow of gas from said inflatable member after said gas has been introduced into said inflatable member.
1 more element
Dependencies are inferred from the claim text.