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Class 280/188 - Ground engaging brake lever


Subclass of Class 280 - Land vehicles
Definition: Devices in which a rod pivoted to the vehicle and connected
No. of patents: 3
Last issue date: 09/23/1986


NumberTitleIssue Date
4613015Self energizing emergency brake and anti-side-skid apparatus
One pair of emergency drag brake units are at each end of a vehicle. Each unit comprises a leg member with a serrate-toothed, ground-engageable foot telescopically movable in a support member carried by the frame. An elastic member is shown in one embodim...
09/23/1986
4563022Vehicle suspension systems
A vehicle suspension system for a pair of wheels has two torsionally stiff members each of which carries an axle for a respective wheel. The load on each wheel is supported by a gas spring to which relative movement of the wheel and vehicle body is transm...
01/07/1986
4384950Demulsification of bitumen emulsions using branched water soluble quaternary ammonium-containing polymers
A process for recovering bitumen from oil-in-water (o/w) emulsions is disclosed wherein water soluble demulsifiers are used. These demulsifiers are branched water-soluble quaternary ammonium-containing polymers. To resolve the bituminous petroleum emulsio...
05/24/1983
 
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