A helmet of a layered and segmented design including impact attenuation structures may include a series of layers that individually, or in combination, provide the necessary functions of the helmet. The helmet may feature a layer with a low coefficient of friction to act as a slip layer and slide due to rotational force. The present technology includes impact attenuation structures of predetermined geometries, layers, and materials to allow for an appropriate impact response with a certain degree of control over the buckling process and an adaptive impact response. The present technology of impact attenuation structures may be applicable where impact absorption and controlled buckling is desired, such as bike helmets.

Disclosed is a size adaptive protective headgear including a protective shell including a first and a second front cut extending respectively from a first and second side edge of the protective shell, the first and second front cut enabling expansion and contraction of a front section of the protective shell, and a first and a second rear cut extending respectively from a first and second side edge of the protective shell, the first and second rear cut enabling expansion and contraction of a rear section of the protective shell.

A helmet includes a shell having an interior surface, a padding disposed along the interior surface of the shell, and a chinbar. The padding defines a first engagement surface positioned at a first lateral side of the padding and a second engagement surface positioned at an opposing second lateral side of the padding. The chinbar includes a cage, a first flange, and a second flange. The cage includes a first end defining a third engagement surface and a second end defining a fourth engagement surface. The third engagement surface interfaces with the first engagement surface and the fourth engagement surface interfaces with the second engagement surface. The first flange extends from the first end of the cage. The second flange extends from the second end of the cage. The first flange and the second flange of the chinbar are embedded within the padding.

A helmet includes a shell having an interior surface, a padding disposed along the interior surface of the shell, and a chinbar. The padding defines a first engagement surface positioned at a first lateral side of the padding and a second engagement surface positioned at an opposing second lateral side of the padding. The chinbar includes a cage, a first flange, and a second flange. The cage includes a first end defining a third engagement surface and a second end defining a fourth engagement surface. The third engagement surface interfaces with the first engagement surface and the fourth engagement surface interfaces with the second engagement surface. The first flange extends from the first end of the cage. The second flange extends from the second end of the cage. The first flange and the second flange of the chinbar are embedded within the padding.

A medical face protective device is disclosed which includes: a headpiece, a clear plastic sheet (shield), a headpiece cover (gap cover), and a drape with a pre-installed cord on both sides of the drape. The free end of the cords are located in the middle of the bottom edge of the drape.

All parts are attachable/detachable and reusable.

The drape attaches to the shield and to the headpiece. The wearer pulls the free end of each cord and ties them under the chin, covering the open space between the shield and the face.

The open space between the shield and the headpiece is covered by the headpiece cover.

The medical face protective device provides full visibility of the wearer's face and allows free passage of air while preventing the passage of airborne viruses and droplets containing pathogens.

A helmet includes a shell having an interior surface, a padding disposed along the interior surface of the shell, and a chinbar. The padding defines a first engagement surface positioned at a first lateral side of the padding and a second engagement surface positioned at an opposing second lateral side of the padding. The chinbar includes a cage, a first flange, and a second flange. The cage includes a first end defining a third engagement surface and a second end defining a fourth engagement surface. The third engagement surface interfaces with the first engagement surface and the fourth engagement surface interfaces with the second engagement surface. The first flange extends from the first end of the cage. The second flange extends from the second end of the cage. The first flange and the second flange of the chinbar are embedded within the padding.

A helmet includes a shell having an interior surface, a padding disposed along the interior surface of the shell, and a chinbar. The padding defines a first engagement surface positioned at a first lateral side of the padding and a second engagement surface positioned at an opposing second lateral side of the padding. The chinbar includes a cage, a first flange, and a second flange. The cage includes a first end defining a third engagement surface and a second end defining a fourth engagement surface. The third engagement surface interfaces with the first engagement surface and the fourth engagement surface interfaces with the second engagement surface. The first flange extends from the first end of the cage. The second flange extends from the second end of the cage. The first flange and the second flange of the chinbar are embedded within the padding.

A sport helmet has an outer shell including a first shell and a second shell movable relative to the first shell; levers hingedly connected to the first shell on left and right sides of the sport helmet for adjustably securing the first and second shells together; and finger-engageable locking actuators for selectively allowing movement of the levers from the engaged position to the disengaged position, the finger-engageable locking actuators being engaged to anchoring projections receivable within anchoring apertures, the finger-engageable locking actuators movable between a locked position and an unlocked position, wherein in the locked position movements of the levers relative to the first shell are limited via the anchoring projections, and wherein in the unlocked position the anchoring projections are disengaged from the anchoring apertures such that the levers are pivotable between the engaged position and the disengaged position.

A rigid and aerodynamic device for external protection for motorcycle and bicycle vehicles with 2 to 4 wheels. This removable dome type device is formed by multiple overlapping panels that form an oval shell type structure, which protects both the vehicle and the pilot from external weather conditions and physical damage in the event of a collision.

A rigid and aerodynamic device for external protection for motorcycle and bicycle vehicles with 2 to 4 wheels. This removable dome type device is formed by multiple overlapping panels that form an oval shell type structure, which protects both the vehicle and the pilot from external weather conditions and physical damage in the event of a collision.