Crash helmet with communication system

Details Crash helmet with communication system Crash helmet with communication system

1982-09-30

1984-09-25

Hix, L. T.

Acoustics

Speaking tubes

181 20, 181 21, 181 22, 181128, 2425, G10K 1122

Patent

active

044731302

ABSTRACT:
A crash helmet for use by motorcycle drivers or riders has a rigid shell; a first flexible acoustic tube a first section of which extends into and has a bell horn in the region of the mouth-protecting part of the shell, and a second section extending from the shell through the opening in the neck-surrounding part of the shell; a second flexible acoustic tube a first section of which extends into and has a sound-intensifying terminal portion in the region of an ear-protecting part of the shell, and a second section extending outwardly through the aforementioned opening of the shell; first and second additional flexible acoustic tubes respectively corresponding to the second and first tubes and having first sections installed in the shell of a second crash helmet; and a quick-release coupling respectively connecting the second sections of the first and second tubes with the second sections of the second and first additional tubes. The first sections of the tubes are embedded in or secured to the padding at the inner side of the respective shell.

REFERENCES:
patent: 1418388 (1922-06-01), Miessner
patent: 1656914 (1928-01-01), Hart
patent: 3693748 (1972-09-01), Jones et al.
patent: 3993879 (1976-11-01), Larkin
"Lunar Trip Lands Velcro in Industrial Role", Article by Mary Bubb, Daily New Record, P.N.R. #105, 8/4/69.

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