Land vehicles – Wheeled – Running gear
Patent
1981-10-13
1983-05-17
Mitchell, David M.
Land vehicles
Wheeled
Running gear
280767, 280427, 280 4323, 180209, B62D 102
Patent
active
043836968
ABSTRACT:
A system for raising and lowering an auxiliary retractable wheel train of a truck trailer to permit neutralizing the braking mechanism of the wheels of the auxiliary train when the latter rises. A selection valve for rising and falling of the auxiliary retractible wheel train cooperates with a relay slide valve which, according to whether it is opened or closed, allows or cuts off the flow of braking fluid in the piping across which relay valve is mounted.
REFERENCES:
patent: 2232754 (1941-02-01), Winn
patent: 3093388 (1963-06-01), Kulyk
patent: 3161418 (1964-12-01), Brennan et al.
patent: 3482885 (1969-12-01), Campanini
Mitchell David M.
Orlhac Thierry
Rice Kenneth R.
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