Head gear apparatus
First Claim
Patent Images
1. A head gear apparatus, comprising:
- a head covering configured to rest on a head of a user; and
a fan supported by said head covering, said fan having (i) a number of blades, and (ii) a motor for rotating said number of blades in a path of movement, wherein each of said number of blades defines (i) a leading blade surface relative to said path of movement, and (ii) a trailing blade surface relative to said path of movement, and wherein (i) said leading blade surface possesses a convex shape, and (ii) said trailing blade surface possesses a concave shape.
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Accused Products
Abstract
A head gear apparatus (10) is provided that moves air to cool a caregiver'"'"'s head. The head gear apparatus (10) includes a helmet (12) that has a shell (114) configured to rest upon a head of a user and a fan housing (120) movably coupled to shell (114), a fan (122) is positioned to lie within fan housing (120) and moves with fan housing (120) relative to shell (114), and a garment (14) selectively coupled to helmet (12). Garment (14) includes a face shield (20).
170 Citations
27 Claims
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1. A head gear apparatus, comprising:
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a head covering configured to rest on a head of a user; and
a fan supported by said head covering, said fan having (i) a number of blades, and (ii) a motor for rotating said number of blades in a path of movement, wherein each of said number of blades defines (i) a leading blade surface relative to said path of movement, and (ii) a trailing blade surface relative to said path of movement, and wherein (i) said leading blade surface possesses a convex shape, and (ii) said trailing blade surface possesses a concave shape. - View Dependent Claims (2, 3, 4, 5, 6)
said fan further has an annular blade support portion, and each of said number of blades extends upwardly from said annular blade support portion.
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4. The head gear apparatus of claim 3, wherein:
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said fan further has a motor housing portion connected to said annular blade support portion, and said motor housing portion defines a cavity in which said motor is positioned.
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5. The head gear apparatus of claim 1, wherein:
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said head covering includes a helmet, and said fan is supported by said helmet.
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6. The head gear apparatus of claim 5, further comprising a hood which includes a face shield, said hood being configured for attachment to said helmet.
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7. A head gear apparatus, comprising:
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a helmet; and
a fan supported by said helmet, said fan having (i) a number of blades, and (ii) a motor for rotating said number of blades in a path of movement, wherein each of said number of blades possesses a reverse curvature in relation to said path of movement. - View Dependent Claims (8, 9, 10, 11)
said fan further has an annular blade support portion, and each of said number of blades extends upwardly from said annular blade support portion.
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10. The head gear apparatus of claim 9, wherein:
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said fan further has a motor housing portion connected to said annular blade support portion, and said motor housing portion defines a cavity in which said motor is positioned.
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11. The head gear apparatus of claim 7, further comprising a hood which includes a face shield, said hood being configured for attachment to said helmet.
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12. A head gear apparatus, comprising:
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a helmet configured to rest on a head of a user;
a fan housing coupled to said helmet;
a fan positioned within said fan housing, said fan having (i) a number of blades, and (ii) a motor for rotating said number of blades in a path of movement, wherein each of said number of blades defines (i) a leading blade surface relative to said path of movement, and (ii) a trailing blade surface relative to said path of movement, and wherein (i) said leading blade surface possesses a convex shape, and (ii) said trailing blade surface possesses a concave shape. - View Dependent Claims (13, 14, 15, 16)
said fan further has an annular blade support portion, and each of said number of blades extends upwardly from said annular blade support portion.
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15. The head gear apparatus of claim 14, wherein:
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said fan further has a motor housing portion connected to said annular blade support portion, and said motor housing portion defines a cavity in which said motor is positioned.
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16. The head gear apparatus of claim 12, further comprising a hood which includes a face shield, said hood being configured for attachment to said helmet.
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17. A head gear apparatus, comprising:
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a head covering configured to rest on a head of a user; and
a fan supported by said head covering, said fan having (i) at least one blade, and (ii) a motor for rotating said at least one blade in a path of movement, wherein said at least one blade defines (i) a leading blade surface relative to said path of movement, and (ii) said leading blade surface possesses a convex shape. - View Dependent Claims (18, 19, 20, 21, 22)
said fan further has a blade support portion, and said at least one blade extends upwardly from said blade support portion.
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20. The head gear apparatus of claim 17, wherein:
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said head covering includes a helmet, and said fan is supported by said helmet.
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21. The head gear apparatus of claim 20, further comprising a hood which includes a face shield, said hood being configured for attachment to said helmet.
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22. The head gear apparatus of claim 17, wherein:
said at least one blade further defines (i) a trailing blade surface relative to said path of movement, and (ii) said trailing blade surface possesses a concave shape.
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23. A head gear apparatus, comprising:
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a helmet; and
a fan supported by said helmet, said fan having (i) at least one blade, and (ii) a motor for rotating said at least one blade in a path of movement, wherein said at least one blade possesses a reverse curvature in relation to said path of movement. - View Dependent Claims (24, 25, 26, 27)
said fan further has a blade support portion, and said at least one blade extends upwardly from said blade support portion.
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26. The head gear apparatus of claim 23, further comprising a hood which includes a face shield, said hood being configured for attachment to said helmet.
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27. The head gear apparatus of claim 23, wherein said at least one blade defines (i) a leading blade surface relative to said path of movement, and (ii) said leading blade surface possesses a convex shape.
Specification