Visor-latching construction in safety helmet

Claim 2

A visored helmet having an open front and closed sides adapted to be worn by a person, said helmet comprising: a moveable visor lens; visor lens runners mounted on opposed lateral edges of said visor lens; visor tracks mounted on the sides of said helmet and slidably receiving said lens runners; a toothed rack mounted on said helmet adjacent and parallel to a said visor track; a latch means including a latch jaw guide mounted on a lateral edge of said visor lens adjacent said toothed rack; a toothed latch jaw slidably mounted on said latch jaw guide, said latch jaw being moveable between an engaged position where the teeth on said jaw intermesh with the teeth on said rack and a disengaged position where said teeth do not intermesh; a lever moveably mounted on said latch jaw guide; and a cam means including a cam surface and a cam pin means operatively associated with said latch jaw and moveable responsive to the movement of said lever whereby the movement of said lever moves said latch jaw between said engaged and disengaged positions and said visor is adapted to be held by said latch at various positions relative to the open front of said helmet.

Claim 3

The visored helmet of claim 1 wherein said helmet is provided with two visor lenses slidably mounted in superimposed relationship to one another, a toothed rack on eaCh side of said helmet adjacent and parallel to respective visor tracks, and a latch operatively associated with each of said lenses, said respective latches being disposed on opposite sides of said helmet adjacent the said respective toothed racks.

Claim 4

A visor construction for mounting on headgear wherein said visor construction includes a transparent visor moveably mounted on said headgear for movement between an extended position in the line of sight of the wearer of said headgear and a retracted position out of said line of sight, said visor construction comprising: a visor track; a visor lens runner slidably mounted on said track and carrying said visor; a toothed rack mounted on said headgear; latch means mounted on said visor positioned in engageable relationship with said rack, said latch means including; a toothed latch jaw moveably mounted in a latch jaw guide for movement between an engaged position where the teeth on said jaw intermesh with the teeth on said rack and a disengaged position where said teeth do not intermesh; lever actuated cam means operatively associated with said latch jaw and adapted to move said latch jaw between said positions, said lever actuated cam means including; a lever moveably mounted on said latch jaw guide adjacent said latch jaw; a cam surface on said latch jaw; and a cam pin means moveable with said lever and operatively associated with said cam surface whereby said latch jaw moves from one said position to the other said position responsive to the movement of said lever.

Claim 5

A visor construction for mounting on headgear wherein said visor construction includes a transparent visor moveably mounted on said headgear for movement between an extended position in the line of sight of the wearer of said headgear and a retracted position out of said line of sight, said visor construction comprising: a visor track; a visor lens runner slidably mounted on said track and carrying said visor; a toothed rack mounted on said headgear; latch means mounted on said visor positioned in engageable relationship with said rack, said latch means including; a toothed latch jaw moveably mounted in a latch jaw guide for movement between an engaged position where the teeth on said jaw intermesh with the teeth on said rack and a disengaged position where said teeth do not intermesh; lever actuated cam means operatively associated with said latch jaw and adapted to move said latch jaw between said positions, said lever actuated cam means including; a lever moveably mounted on said latch jaw guide adjacent said latch jaw; a cam surface on said latch jaw; and a cam pin means moveable with said lever and operatively associated with said cam surface whereby said latch jaw moves from one said position to the other said position responsive to the movement of said lever.

Claim 6

The visor construction of claim 3 wherein said cam means includes a V-shaped cam slot in said latch jaw and a slot engaging pin carried by said lever whereby the movement of said pin from the apex to either leg of said V-shaped slot moves said latch jaw positions.