Safety helmet for motor-cyclists provided with manually-adjustab

Details Safety helmet for motor-cyclists provided with manually-adjustab Safety helmet for motor-cyclists provided with manually-adjustab

1988-11-21

1990-10-23

Reynolds, Wm. Carter

Apparel

Guard or protector

For wearer's head

21717, A42B 302, A42C 504

Patent

active

049641786

ABSTRACT:
Safety helmet for motor-cyclists and the like, provided at the top of its cap with at least one air intake, above which an aerodynamic, shaped guide fin is installed, which determines a suction of air from the interior of the helmet, between said aerodynamic guide fin and the external surface of the cap an adjustable slider element being provided, which is suitably shaped and positioned, and acts both as a baffle plate, and as a shutter for controlling the air flow.

REFERENCES:
patent: 3496854 (1970-02-01), Feldmann et al.
patent: 4115874 (1978-09-01), Hasegawa
patent: 4434514 (1984-03-01), Sundahl et al.
patent: 4622700 (1986-11-01), Sundahl
patent: 4704746 (1987-11-01), Nana

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