Mask apparatus
AssigneeLG Electronics Inc.
InventorsYeongcheol Mun, Dongkwon An, Sejeong Ahn
Life of this patent
Estimating the term…
Abstract
A mask apparatus that includes a mask body including: a front body; and a rear body coupled to a rear surface of the front body and from which a pair of accommodation portions protrudes forward; a face guard coupled to a rear surface of the rear body configured to contact a user's face and define a breathing space formed therein; a fan module seated in the accommodation portion; a flow guide placed on a rear surface of the fan module and defining a portion of a discharge port communicating with the breathing space; a filter seated on the flow guide; and a filter housing rotatably connected to the rear body to cover the filter, in which the filter housing includes: a plurality of filter frames; a filter cover; a hinge; and a fastening hook.
Claims13
A mask apparatus comprising:
- a mask body including:
- a front body, and
- a rear body that is coupled to a rear surface of the front body and from which a pair of accommodation portions protrudes forward;
- a face guard that is coupled to a rear surface of the rear body, the face guard being configured to contact a user's face and defining a breathing space formed therein;
- a fan module seated in an accommodation portion of the pair of accommodation portions;
- a flow guide provided at a rear surface of the fan module and defining a portion of a discharge port configured to communicate with the breathing space;
- a filter seated on the flow guide;
- and
- a filter housing that is rotatably coupled to the rear body and configured to cover the filter,
- wherein the accommodation portion includes:
- a fastening surface protruding forward from a side end portion of the rear body and having a rear surface from which a filter hook protrudes;
- a seating surface extending from an end portion of the fastening surface toward a center of the rear body and having a rear surface on which the filter is seated;
- an air guide surface connecting an end portion of the seating surface and a front surface of the rear body;
- an upper surface connecting upper ends of the fastening surface, the seating surface, and the air guide surface to the front surface of the rear body;
- and
- a lower surface connecting lower ends of the fastening surface, the seating surface, and the air guide surface to the front surface of the rear body,
- wherein the filter housing includes:
- a filter cover including (i) a cover body and (ii) an extension portion that is rounded at a first side end portion of the cover body;
- a filter frame extending forwards from a front surface of the filter cover, the filter frame including (i) a side frame positioned near the first side end portion of the cover body, (ii) an upper frame positioned at an upper end portion of the cover body, and (iii) a lower frame positioned at a lower end portion of the cover body;
- a hinge protruding from an end portion of each of the upper and lower frames, the hinge being located closer to a second side end portion of the cover body than to the first side end portion of the cover body;
- and
- a fastening hook protruding from a front surface of the extension portion of the filter cover and configured to be caught on the filter hook,
- wherein the fastening hook includes:
- an extension portion protruding from the front surface of the extension portion of the filter cover;
- and
- a catching portion defined at an end portion of the extension portion, and
- wherein the catching portion includes:
- a catching surface that is inclined toward an outer edge of the filter housing;
- a sliding surface that is curved at an end portion of the catching surface and extending in a straight line;
- and
- a contact surface that is rounded with a predetermined curvature at an end portion of the sliding surface.
Dependencies are inferred from the claim text.