Brakes – Vehicle – Ground-engaging
Patent
1988-01-26
1990-01-30
Kashnikow, Andres
Brakes
Vehicle
Ground-engaging
188 2R, 188 4R, 180164, B60T 114, B60B 1500
Patent
active
048967491
ABSTRACT:
An emergency braking device is attached to the vehicle body and is shiftable between an inoperative position and an operative position upon the occurrence of an emergency braking situation. The braking device is provided with a vacuum shroud which engages the roadway to form a substantially enclosed cavity. The shroud is shifted between the operative and inoperative position by a shifting mechanism. A pump is provided to evacuate air from the enclosed cavity to cause the vacuum shroud to be urged toward the roadway. An attachment device temporarily couples the vacuum shroud to the vehicle wheel causing the normal load of the wheel on the roadway to be increased, enabling the vehicle brake to decelerate the vehicle at an increased rate.
REFERENCES:
patent: 2687191 (1954-08-01), Shannon
patent: 2710074 (1955-06-01), Simpson
patent: 2841249 (1958-07-01), Allen
patent: 3116897 (1964-01-01), Theed
patent: 3167154 (1965-01-01), Salvetti
patent: 3232633 (1966-02-01), Feher
patent: 3799293 (1974-03-01), Howells et al.
patent: 3894609 (1975-07-01), Wulf
patent: 4317507 (1982-03-01), McMillan
patent: 4325465 (1982-04-01), Lemon
Kashnikow Andres
Potosniak Richard
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