Condition indicating hard hat

Details Condition indicating hard hat Condition indicating hard hat

1998-10-19

1999-06-29

Neas, Michael A.

Apparel

Guard or protector

For wearer's head

220913, 40329, A42B 300

Patent

active

059155396

ABSTRACT:
A hard hat including a rigid shell with a channel therein. A plate is secured to the shell so as to cover one of the ends of the channel. A colored indicator is affixed within the channel at the end thereof not covered by the plate. The shutter of a movable slide is positioned within the channel. The shutter can be selectively moved from a retracted position beneath the plate wherein the colored indicator is observable to an extended position wherein the colored indicator is covered by the shutter and is not observable.

REFERENCES:
patent: 2796680 (1957-06-01), Wittcoff
patent: 4667274 (1987-05-01), Daniel
patent: 5452479 (1995-09-01), Mostert
patent: 5810467 (1998-09-01), Hurwitz

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