Inflated vehicle spring and lift
First Claim
1. An inflatable air spring for vehicles having a frame mounted spring bracket and an axle mounted spring bracket comprising, in combination, a single collapsible elastomeric flexible wall tube radially expandable between inflatable and deflated conditions for location between the vehicle spring brackets and having first and second ends, said tube being folded over upon itself lengthwise defining upper and lower chamber portions and said ends being disposed adjacent each other in vertical juxtaposition, clamping means disposed above and below said tube ends closing said ends in air-tight relationship defining a pair of substantially horizontal linear seal joints, a conduit establishing communication between said tube upper and lower chamber portions, said conduit extending into both of said seal joints, and an air valve communicating with one of said tube chamber portions.
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Accused Products
Abstract
An inflatable spring for vehicle usage comprising a flexible wall tube or hose folded lengthwise upon itself to define inflatable upper and lower portions. The ends of the tube are sealed by clamping plates, and communication between the inflatable portions is established by a conduit communicating with the portions and passing through the sealed tube ends intermediate the clamping plates.
24 Citations
6 Claims
- 1. An inflatable air spring for vehicles having a frame mounted spring bracket and an axle mounted spring bracket comprising, in combination, a single collapsible elastomeric flexible wall tube radially expandable between inflatable and deflated conditions for location between the vehicle spring brackets and having first and second ends, said tube being folded over upon itself lengthwise defining upper and lower chamber portions and said ends being disposed adjacent each other in vertical juxtaposition, clamping means disposed above and below said tube ends closing said ends in air-tight relationship defining a pair of substantially horizontal linear seal joints, a conduit establishing communication between said tube upper and lower chamber portions, said conduit extending into both of said seal joints, and an air valve communicating with one of said tube chamber portions.
Specification