(Airlock) bicycle helment with adjustable ventilation systems an

Details (Airlock) bicycle helment with adjustable ventilation systems an (Airlock) bicycle helment with adjustable ventilation systems an

1989-11-16

1991-02-26

Schroeder, Werner H.

Apparel

Guard or protector

For wearer's head

2411, 2423, 2425, 2422, A42B 106

Patent

active

049951173

ABSTRACT:
A bicyclist helmet has a outer shell; an inner buffer liner; forward facing baffle controlled air inlets; side baffle controlled air inlets; rear discharge baffle controlled exhaust air outlets; attaching ear cups; attaching fairing cone; attachments and baffles are provided to further enhance the helmet's aerodynamic properties, as well as providing a more comfortable helmet when riding in cold or foul weather.

REFERENCES:
patent: 414085 (1979-02-01), Adams, Sr.
patent: 911740 (1909-02-01), Montgomery
patent: 1774074 (1930-08-01), Wittcoff
patent: 3797040 (1974-03-01), Caldwell
patent: 3925821 (1975-12-01), Lewicki
patent: 4375702 (1983-03-01), Lundin
patent: 4519099 (1985-05-01), Kamiya et al.
patent: 4555816 (1985-12-01), Broersma
patent: 4612675 (1986-09-01), Broersma
patent: 4622700 (1986-11-01), Sundahl
patent: 4639950 (1987-02-01), Palmaer
patent: 4653123 (1987-03-01), Broersma
patent: 4731885 (1988-03-01), Nava
patent: 4821344 (1989-04-01), Kamato
patent: 4903350 (1990-02-01), Gentes et al.

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