Speed bump

Details Speed bump Speed bump

1980-07-30

1982-12-07

Byers, Jr., Nile C.

Road structure, process, or apparatus

Traffic steering device or barrier

293107, E01F 1300

Patent

active

043624243

ABSTRACT:
A speed bump for use on roadways which imparts a controlled jar to vehicles as they pass thereover. A retarding force is imparted to a downwardly depressible member responsive to the speed of the vehicle.

REFERENCES:
patent: 1688409 (1928-10-01), Campbell
patent: 1881390 (1932-10-01), Schmidt
patent: 2975350 (1961-03-01), Mahoney
patent: 3503600 (1970-03-01), Rich
patent: 3514144 (1970-03-01), Alderfer
patent: 4012156 (1977-03-01), Turner et al.
patent: 4203685 (1980-05-01), Sanchez

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