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US 12,295,448 B2Granted
Safety helmet fan system
AssigneeKlein Tools, Inc.
InventorKingston T. Wong
Life of this patent
Estimating the term…
Abstract
A safety helmet fan system includes a fan housing carrying a first fan on a first side of the fan housing and a second fan on a second side of the fan housing and configured to be mounted, by a mount connector located between the first side and the second side, on an exterior of a safety helmet shell above a brim of the safety helmet shell, and an elongate cooling air duct connected to the fan housing to direct cooling air flow from the fan housing around the brim and into an interior of the safety helmet shell.
Claims18
A safety helmet fan system comprising:
- a first fan;
- a second fan;
- a fan housing carrying both the first fan and the second fan and configured to be releasably mounted on an exterior of a safety helmet shell above a brim of the safety helmet shell;
- and
- an elongate cooling air duct configured to direct cooling air flow from the fan housing around the brim and into an interior of the safety helmet shell.
2 more elements
A safety helmet fan system comprising:
- a safety helmet comprising:
- a brim, and
- a first mount connector on an exterior of the safety helmet;
- a fan housing carrying a first fan, a second fan, and a second mount connector engageable with the first mount connector to releasably mount the fan housing on an exterior of a safety helmet shell above the brim;
- and
- a first elongate cooling air duct connected to the fan housing and configured to direct cooling air flow from the first fan to an interior of the safety helmet shell;
- wherein the first elongate cooling air duct has a flexible construction that allows the cooling air duct to be selectively reshaped.
4 more elements
A safety helmet fan system comprising:
- a first fan;
- a second fan;
- a removable fan housing carrying the first and second fans and configured to be mounted on an exterior of a safety helmet shell above a brim of the safety helmet shell;
- and
- an elongate cooling air duct connected to the fan housing and configured to direct cooling air flow from the fan housing to an interior of the safety helmet shell;
- wherein the cooling air duct has a flexible construction that allows the cooling air duct to be selectively reshaped to accommodate different safety helmet brim configurations.
3 more elements
Dependencies are inferred from the claim text.