US4901374A — Face shield

Claim 1

Independent Claim 211 words

A face shield, comprising a head-encircling element including a frontal part adapted to fit against the brow of the wearer and having a relatively rigid central support portion, a protective screen positionable in a protective mode in dependent relation to the frontal part and closely ahead of the eyes of the wearer, said screen having an upper edge portion closely proximate to the support portion of the frontal part, and screen-mounting means including a relatively rigid frame disposed closely ahead of the frontal part and of U-shaped configuration as seen from above so as to generally conform to the brow of the wearer, said screen-mounting means further including a hinge on a transverse axis connecting a central region and the frame and the central support portion of the frontal part, the screen being also U-shaped to conform to the frame and the upper edge portion of the screen being removably carried by the frame and said frame further including a downwardly-opening channel configured to conform to the frame and relatively tightly receiving the upper edge portion of the screen, and said shield being initially flat and of flexible material adapted to be manually curved to fit the channel and capable of returning to its flat status when removed from the channel.

Claim 2

Dependent Claim 211 words

A face shield, comprising a head-encircling element including a frontal part adapted to fit against the brow of the wearer and having a relatively rigid central support portion, a protective screen positionable in a protective mode in dependent relation to the frontal part and closely ahead of the eyes of the wearer, said screen having an upper edge portion closely proximate to the support portion of the frontal part, and screen-mounting means including a relatively rigid frame disposed closely ahead of the frontal part and of U-shaped configuration as seen from above so as to generally conform to the brow of the wearer, said screen-mounting means further including a hinge on a transverse axis connecting a central region and the frame and the central support portion of the frontal part, the screen being also U-shaped to conform to the frame and the upper edge portion of the screen being removably carried by the frame and said frame further including a downwardly-opening channel configured to conform to the frame and relatively tightly receiving the upper edge portion of the screen, and said shield being initially flat and of flexible material adapted to be manually curved to fit the channel and capable of returning to its flat status when removed from the channel.

Claim 3

Dependent Claim 173 words

A face shield, comprising a head-encircling element having a frontal part including an upright arcuate wall having a rear surface adapted to fit against the brow of the wearer and an arcuate, horizontal ledge conforming generally to the wall and projecting forwardly from the wall, said ledge and wall being joined at only their respective regions and the wall having lateral wings extending oppositely from its central region, and spaced respectively from lateral portions of the ledge, said ledge having a central support portion, a relatively rigid frame disposed ahead of the frontal part and of U-shaped configuration as seen from above so as to conform to the arcuate ledge and including a hinge on a transverse axis connecting a central region of the frame to the aforesaid support portion, a protective screen carried by and depending from the frame in a protective mode closely ahead of the eyes of the wearer, and the head-encircling element including a flexible headband having a pair of laterally spaced apart pockets respectively receiving the aforesaid wings.

Claim 4

Dependent Claim 173 words

A face shield, comprising a head-encircling element having a frontal part including an upright arcuate wall having a rear surface adapted to fit against the brow of the wearer and an arcuate, horizontal ledge conforming generally to the wall and projecting forwardly from the wall, said ledge and wall being joined at only their respective regions and the wall having lateral wings extending oppositely from its central region, and spaced respectively from lateral portions of the ledge, said ledge having a central support portion, a relatively rigid frame disposed ahead of the frontal part and of U-shaped configuration as seen from above so as to conform to the arcuate ledge and including a hinge on a transverse axis connecting a central region of the frame to the aforesaid support portion, a protective screen carried by and depending from the frame in a protective mode closely ahead of the eyes of the wearer, and the head-encircling element including a flexible headband having a pair of laterally spaced apart pockets respectively receiving the aforesaid wings.

Claim 5

Dependent Claim 29 words

A face shield according to claim 1, in which each pocket extends along the girth of the headband and opens laterally inwardly toward and for receiving its associated wing.

Claim 6

Dependent Claim 33 words

A face shield according to claim 3, in which the headband includes an elastic portion connected to and spanning the pockets for drawing the pockets inwardly toward each other and onto the wings.

Claim 7

Dependent Claim 25 words

A face shield according to claim 4, in which the headband portions providing the pockets substantially close the spaces between the wings and the ledge.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1993-02-19	1993-08-21	1994-02-20	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1997-02-19	1997-08-21	1998-02-20	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2001-02-19	2001-08-21	2002-02-20	$7700.00	Window Closed / Lapsed

Face shield

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