Abstract: Disclosed is a main carrier mounting mechanism having a ceiling lightweight steel structure, which includes: an upper horizontal portion mounted on a rod hanger; having an upper end integrally coupled to one end of the upper horizontal portion and a lower end extending downward; a lower panel having one end integrally coupled to the lower end of the main standing portion and having an opposite end extending parallel to the upper horizontal portion; and a lower standing portion having a lower end integrally coupled to the opposite end of the lower panel, and an upper end extending toward an opposite end of the upper horizontal portion, and further includes a main carrier separation prevention fastener having one end integrally coupled to the upper end of the lower standing portion and an opposite end extending toward the opposite end of the upper horizontal portion and extending toward the main standing portion.

Abstract: Disclosed herein is a holding means provided with a spacer capable of occupying a space between an upper horizontal part and an upper vertical part of a hanger and a nut.

Abstract: Disclosed is a main carrier mounting mechanism having a ceiling lightweight steel structure, which includes: an upper horizontal portion mounted on a rod hanger; having an upper end integrally coupled to one end of the upper horizontal portion and a lower end extending downward; a lower panel having one end integrally coupled to the lower end of the main standing portion and having an opposite end extending parallel to the upper horizontal portion; and a lower standing portion having a lower end integrally coupled to the opposite end of the lower panel, and an upper end extending toward an opposite end of the upper horizontal portion, and further includes a main carrier separation prevention fastener having one end integrally coupled to the upper end of the lower standing portion and an opposite end extending toward the opposite end of the upper horizontal portion and extending toward the main standing portion.

Abstract: The non-fluorinated polymer includes a constituent unit derived from a (meth)acrylic acid ester monomer (A) represented by the following General Formula (A-1); and at least one monomer (E) from between vinyl chloride and vinylidene chloride: wherein in Formula (A-1), R1 represents a hydrogen or a methyl group; and R2 represents a monovalent hydrocarbon group having 12 or more carbon atoms which may have a substituent.

Abstract: The present invention relates to a hydropower generator for generating electricity by rotating in a fluid flow direction, the hydropower generator comprising: a central structure installed so as to be able to stand erect in water; a rotator installed on an outer circumferential surface of the central structure, and having at least one resistive plate coupled to the outer circumferential surface thereof; a rotating ring provided between the central structure and the rotator to cause the rotator to rotate around the central structure; a speed changing unit which integrally rotates by means of one side thereof coupled to the rotator; and a generator having a motor shaft coupled to the other side of the speed changing unit, and generating energy by rotation of the motor shaft, wherein the resistive plate is located in the water and generates resistive force according to the flow of water while the rotator rotates, such that energy is generated from the generator.

Abstract: The present invention relates to a foldable thermal chair comprising: a seat part which, when a user is seated, can transmit heat supplied by a candlelight-height automatic adjustment means to the body of a user; a fixing and fastening part which enables the candlelight-height automatic adjustment means to be fasted to the front surface thereof; a stored heat dispersion plate which can transmit a uniform heat to the body of a user as a result of heating the air in a space formed by the connection of the fixing and fastening part and the seat part by means of the heat transmitted from the candlelight-height automatic adjustment means; and a support frame part which extends in an “X” shape during use and can be folded up without any part protruding to the outside when not in use.

Abstract: The non-fluorinated polymer includes a constituent unit derived from a (meth)acrylic acid ester monomer (A) represented by the following General Formula (A-1); and at least one monomer (E) from between vinyl chloride and vinylidene chloride: wherein in Formula (A-1), R1 represents a hydrogen or a methyl group; and R2 represents a monovalent hydrocarbon group having 12 or more carbon atoms which may have a substituent.