Protection device

1. A protection device, in particular, a glare-protection device comprising:

at least one optical glare-protection filter including a nose cut-out;

at least one sensor unit, which is provided to capture a work state and to control, depending on the work state, a permeability of the glare-protection filter;

at least one shield unit, in which the at least one glare-protection filter is fixedly accommodated;

at least one head-fastening unit for a fastening to a user's head; and

at least one adjusting unit, by which a position of the at least one shield unit is movable with respect to the at least one head-fastening unit in a defined manner, wherein

a direct distance between the user's eyes and the optical glare-protection filter is adjustable by the at least one adjusting unit,

the adjusting unit includes a base element and a rotary wheel, wherein the rotary wheel is translationally guided in a guiding rail of the base element,

the distance between the user's eyes and the optical glare-protection filter is steplessly adjustable,

the position of the at least one shield unit is implemented in such a way that it is fixable by the at least one adjusting unit in at least two fixable operative adjustments,

the at least two fixable operative adjustments chosen from differing the direct distance between the optical glare-protection filter and the user's eyes and/or differing an angle between the shield unit and the head-fastening unit, and/or by a height level at which the optical glare-protection filter is arranged with respect to the user's head, and

the user can choose whether the shield unit is to lie upon a user's nose or is to be spaced apart from the user's nose when in an operative position.

2. The protection device according to claim 1 , wherein a height of the at least one shield unit is, in an operative adjustment, adjustable by means of the at least one adjusting unit with respect to the at least one head-fastening unit.

3. The protection device according to claim 1 , wherein the at least one shield unit comprises at least one face abutment, which is provided to contact a user's face if the user chooses to have the shield unit lie upon the user's nose.

4. The protection device according to claim 3 , wherein the at least one face abutment is embodied by a nosepiece, which is, in at least one operative adjustment, provided to contact a user's nose.

5. The protection device according to claim 4 , wherein the at least one face abutment of the at least one shield unit is provided for a positioning of the at least one shield unit with respect to a user's face.

6. The protection device according to claim 1 , wherein the head-fastening unit defines, in a regularly worn state, a head axis, with respect to which a main extension plane of the optical glare-protection filter is substantially angled in at least one operative adjustment.

7. The protection device according to claim 1 , wherein the at least one head-fastening unit is embodied by a head strap.

8. The protection device according to claim 1 , wherein the at least one shield unit is made of an at least substantially non-deformable material.

9. The protection device according to claim 1 , wherein the adjusting unit includes a lever having two lever arms each forming a stop, wherein the corresponding stop is embodied by an eccentrically supported disk, which is supported on the shield unit in such a way that it is rotatable via an adjusting wheel.