A protective football helmet is provided having a two-piece mold shell diminution shell system. The helmet is comprised of a nine-piece part outer shell, a solid rim outer shell to deflect direct impact from the nine piece part outer shell, an inner liner helmet, compression springs as shocks, and a spin dial to control and restrict the movement of the compression springs and nine piece part outer shell. The nine piece part is a special designed helmet to absorb impact on contact from the crown of the helmet, all four sides and all angles in between to protect the players' head from direct contact at any angle. The outer shell diminution system is piece parted to absorb the impact energy individually by the outer shell protection. Each outer shell piece parted section takes on the impact of energy with an oval shape to deflect and transfer contact impact energy from one piece part to another, thereby dispersing the energy throughout the outer shell of the helmet.

An adjusting mechanism and a head mounted display are provided. The adjusting mechanism includes a band, a rotating shaft, a knob, a driving member, and a holder. The rotating shaft has a first ring tooth around a central axis. The band is driven by the rotating shaft to move relative to the rotating shaft when the rotating shaft rotates around the central axis. The knob has a plurality of chutes. Each chute has a first section and a second section. The depth of each first section is deeper than the depth of each second section. The driving member has a second ring tooth, a plurality of guiding pins, and a plurality of pawls. The driving member is assembled to the knob, and the guiding pins are located in the chutes. The holder has a circular unidirectional tooth. The band limits the rotation of the holder relative to the band. The circular unidirectional tooth is configured to be coupled with these pawls to limit the rotation of the driving member relative to the holder in a single direction.

A helmet having an outer liner and an inner liner is disclosed. The inner liner is positioned at least partially inside the outer liner. The helmet includes at least one chin strap anchored to the outer liner and passing through an opening in the inner liner. The helmet further includes a plurality of return springs, each having a first end coupled to the outer liner, and a second end distal to the first end and coupled to the inner liner. The return springs bias the inner liner to a first position with respect to the outer liner. The inner liner is slidably coupled to the outer liner through the plurality of return springs and slidably movable relative to the outer liner between the first position and a second position where the inner liner and outer liner are rotated away from the first position.

Provided is a protective headgear that includes a first shell section, second shell section, third shell section, and fourth shell section. The first shell section is configured to extend about a head of the user, and include a first central portion, a first strap and a second strap that extend from the first shell section. The first central portion includes a first protective layer and a second protective layer disposed atop the first protective layer. The second shell section is configured to extend about a jaw of the user, and include a second central portion, a third strap and a fourth strap that extend from the second shell section. The third shell section is connected to the first shell section by the first strap and the third strap, and the fourth shell section is connected to the second shell section by the second strap and the fourth strap.

Systems and methods are provided for a helmet having a configurable headband assembly. A helmet includes a helmet liner having a plurality of headband attachment points, each headband attachment point including a first opening for receiving and holding a primary attachment structure; and a second opening for receiving a locking pin. A headband assembly is configured to assist in fitting the helmet to a wearer's head. The headband assembly includes a fit adjustment mechanism configured to adjust an internal shape of the headband assembly; and a plurality of attachment structure sets, an attachment structure set including a primary attachment structure; and a locking pin.

A protective headgear and headgear adjustment system is described. An example protective headgear may comprise a front section comprising padding configured to conform to a shape of a head of a wearer, a back section attached to the front section. The back section may comprise one or more adjustment members adjacent an opening in the back section. The protective headgear may comprise one or more pads configured to removeably attach to the adjustment member to define a horizontal adjustment and a vertical adjustment of the back section and at least partially cover the opening in the back section.

A suspension band assembly to be used to support a hard hat on a head of a user. The suspension band assembly includes a primary support loop to receive the head of the user therein. An electronic peripheral is fixedly secured to the primary support loop. An attachment strap extends out from the primary support loop to a strap distal end. An anchor is fixedly secured to the strap distal end for securing the attachment strap to the hard hat. An electrical anchor contact is fixedly secured to the anchor to provide an electrical connection between the hard hat and the electronic peripheral located on the primary support loop.

A helmet for a head of a user with a liner with an outer shell and an energy management layer having an inner surface and a lower edge surrounding the inner surface at a helmet opening, at least two coupling points located on the inner surface proximal to the lower edge, at least one flexible forehead strap following the lower edge of the energy management layer and inwardly offset from the inner surface, at least two prongs comprising a stem and a head, the head having a larger cross-section than a cross-section of the stem, wherein the stem is attached to and projects away from the flexible forehead strap towards the inner surface and the head couples with the inner surface at one of the at least two coupling points, a continuous gap between the inner surface and the flexible forehead strap extending around an entirety of the lower edge.

In one aspect, a protective headwear is provided and includes a headgear, an outer shell, a duct and a manifold. The headgear is configured to engage a wearer's head and at least partially support the protective headwear on a wearer's head. The headgear includes a front, a rear opposite the front, a right side, and a left side opposite the right side. The outer shell is coupled to the headgear at a coupling location and includes a shield positioned to the front of the headgear. The duct is at least partially coupled to and at least partially positioned in an interior of the outer shell. The duct is located below the coupling location. The manifold is positioned to the rear of the headgear and configured to divert airflow into at least a first potion of airflow and a second portion of airflow

The protective headgear of the present disclosure utilizes closed cell compression molded foam combined with mesh and hook and loop closures and elastic strap that allow the helmet to have a more custom fit than other protective headgear on the market. The three-point adjustment system allows the athlete to fit the size and shape of the headgear both horizontally and vertically to their particular head.