Abstract: A vibration damping device is provided with a first coupling shaft and a a second coupling shaft supported by one of a restoring force generation member and an inertial mass body to couple the restoring force generation member and the inertial mass body so that the restoring force generation member and the inertial mass body are rotatable relative to each other; and a guide portion formed in the other of the restoring force generation member and the inertial mass body to guide the second coupling shaft. The second coupling shaft swings about the first coupling shaft while keeping the interaxial distance between the shafts constant, and swings about a virtual axis, the relative position of which with respect to the inertial mass body is determined to be invariable, while keeping the interaxial distance between the virtual axis and the second coupling shaft constant.

Abstract: A damper device that includes an input to which torque from an engine is transmitted; an output; a first intermediate element; a second intermediate element; a first elastic body disposed between the input and the first intermediate element; a second elastic body disposed between the first intermediate element and the output; a third elastic body disposed between the input and the second intermediate element; a fourth elastic body disposed between the second intermediate element and the output; and a fifth elastic body disposed between the first intermediate element and the second intermediate element, wherein at least one of the first to fifth elastic bodies has negative rigidity.

Abstract: A rotary inertia mass damper of a damper device is configured to include a planetary gear that includes a driven member with outer teeth, first and second input plate member as a carrier which rotatably supports a plurality of pinion gears, and a ring gear that meshes with the plurality of pinion gears and works as the mass body. The outer teeth of the driven member are arranged to be disposed outside first and second springs in a radial direction of the damper device. The driven member, the plurality of pinion gears and the ring gear are arranged to at least partially overlap with the first and second springs as viewed in the radial direction. A motion of the ring gear in the axial direction is restricted by the plurality of pinion gears.

Abstract: A four-bar linkage vibration absorbing device includes: crank members each coupled to a driven member of a damper device via a coupling shaft and each capable of swinging about the coupling shaft when the driven member is rotated; and a mass body that is coupled to the driven member via the crank members and that swings about the rotation center RC together with the crank members when the driven member is rotated. The driven member is coupled to a turbine runner of a hydraulic transmission device so as to rotate with the turbine runner.

Abstract: A vibration damping device 20 includes: a crank member 22 that is coupled to a driven member 15 via a first coupling shaft A1 and that is swingable about the first coupling shaft A1 along with rotation of the driven member 15; and an inertial mass body 24 that is coupled to the driven member 15 via the crank member 22 and a connecting rod 23 and that is swung about a center of rotation RC in conjunction with the crank member 22 along with rotation of the driven member 15. A component force of a centrifugal force that acts on the crank member 22 along with rotation of the driven member 15 in a direction that is orthogonal to the direction from the center of the first coupling shaft A1 toward the center of gravity G always acts on the crank member 22 as a restoring force that acts to return the inertial mass body 24 to the center of the swing range. The component force is maximum when the inertial mass body 24 is positioned at the center of the swing range.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A damper device that includes an input element to which torque from an engine is transferred; an output element; a first intermediate element; a second intermediate element; a first elastic body that transfers torque between the input element and the first intermediate element; a second elastic body that transfers torque between the first intermediate element and the output element; a third elastic body that transfers torque between the input element and the second intermediate element; a fourth elastic body that transfers torque between the second intermediate element and the output element; and a fifth elastic body that transfers torque between the first intermediate element and the second intermediate element.

Abstract: A polyurethane polyurea having strong thickening and gelling effects, obtained by reacting a polyurethane polyurea prepolymer obtained from a silicone derivative starting material having a specific structure, a specific diisocyanate compound starting material and a starting material made up of a compound represented by General Formula (C) (each of which is set forth in the Description), with either or both of a nitrogen compound having a specific structure and a hydroxyl group-containing compound having a specific structure (each of which is set forth in the Description.

Abstract: A damper device includes first inner springs configured to transmit a torque between a drive member and an intermediate member, second inner springs configured to transmit a torque between the intermediate member and a driven member, and a rotary inertia mass damper including a sun gear serving as a mass body rotating with relative rotation of the drive member to the driven member. The rotary inertia mass damper is provided in parallel to a torque transmission path including the intermediate member, the first inner springs and the second inner springs. A damping ratio ? of the intermediate member determined based on a moment of inertia J2 of the intermediate member and rigidities k1 and k2 of the first and the second inner springs and is less than a value.

Abstract: A urethane polymer obtained by a reaction of: a monohydroxy compound (A), a polyethylene glycol (B), a monoglyceryl ether compound (C), and an isocyanate compound (D). This urethane polymer can be used as a urethane viscosity modifier excellent in long-term storage stability, similarly to alkali thickening-type viscosity modifiers, while having characteristics similar to those of existing urethane viscosity modifiers.

Abstract: A damper device with a first intermediate element; a second intermediate element; a first elastic body that transmits torque between the input element and the first intermediate element; a second elastic body that transmits torque between the first intermediate element and the output element; a third elastic body that transmits torque between the input element and the second intermediate element; a fourth elastic body that transmits torque between the second intermediate element and the output element; and a fifth elastic body that transmits torque between the first intermediate element and the second intermediate element.

Abstract: The present invention relates to a gel-like composition for a cosmetic preparation including 0.05 part by mass to 3 parts by mass of a compound represented by the following general formula (1) with respect to 100 parts by mass of water, which is not destroyed by a change in pH or by the addition of a salt into the gel, and gives a feeling of use equivalent to that of a gel produced using an alkali thickening type gelling agent. where, R1 and R2 each represent an alkyl group having 28 to 36 carbon atoms, R3 and R4 each represent a hydrocarbon group having 4 to 13 carbon atoms, m and n each represent a number from 10 to 500, x represents a number from 1 to 1,000, and y represents a number from 0 to 10.

Abstract: A damper device where the first and second elastic bodies are arranged side by side in a circumferential direction of the damper device, and the third and fourth elastic bodies are placed outside the first and second elastic bodies in a radial direction of the damper device so as to be arranged side by side in the circumferential direction.

Abstract: A damper device that includes a first torque transmission path including a first elastic body that transmits torque between the input element and the output element; and a second torque transmission path disposed in parallel with the first torque transmission path and including first and second intermediate elements, a second elastic body that transmits the torque between the input element and the first intermediate element, a third elastic body that transmits the torque between the first intermediate element and the second intermediate element, and a fourth elastic body that transmits the torque between the second intermediate element and the output element.

Abstract: The present invention relates to a gel-like composition for a cosmetic preparation including 0.05 part by mass to 3 parts by mass of a compound represented by the following general formula (1) with respect to 100 parts by mass of water, which is not destroyed by a change in pH or by the addition of a salt into the gel, and gives a feeling of use equivalent to that of a gel produced using an alkali thickening type gelling agent. where, R1 and R2 each represent an alkyl group having 28 to 36 carbon atoms, R3 and R4 each represent a hydrocarbon group having 4 to 13 carbon atoms, m and n each represent a number from 10 to 500, x represents a number from 1 to 1,000, and y represents a number from 0 to 10.

Abstract: The present invention is a urethane-type polymer obtained by a reaction of: a monohydroxy compound (A) represented by Formula (1), R1?C2H4—O?mH ??(1) wherein R1 is an aliphatic hydrocarbon group having 24 to 36 carbon atoms, and m represents a number ranging from 0 to 1000; a polyethylene glycol (B) represented by Formula (2), HO?C2H4—O?nH ??(2) wherein n represents a number ranging from 2 to 1000; a monoglyceryl ether compound (C) represented by Formula (3), wherein R2 represents an aliphatic hydrocarbon group having 5 to 12 carbon atoms; and an isocyanate compound (D) represented by Formula (4), R3?NCO]q ??(4) wherein R3 represents a hydrocarbon group having 4 to 13 carbon atoms, and q represents the number 2 or 3.

Abstract: A speaker diaphragm (2), and plural dimples (16) which are disposed radially from a center side toward the outside of the speaker diaphragm (2) and which have arch structures formed to have a concave-like shapes so as to disperse a stress are provided, whereby while weight saving is realized in terms of the speaker diaphragm (2) by the plural dimples (16) formed to have the concave-like shapes, high rigidity is maintained by the arch structures of the dimples concerned, and a maximum sound pressure can be increased along with the weight saving concerned.

Abstract: The present invention further reduces a weight with an internal loss being large without reducing high rigidity and an environment resistance, thereby enabling a maximum sound pressure to be increased. A speaker diaphragm (2), and plural dimples (16) which are disposed radially from a center side toward the outside of the speaker diaphragm (2) and which have arch structures formed to have a concave-like shapes so as to disperse a stress are provided, whereby while the weight saving is realized in terms of the speaker diaphragm (2) by the plural dimples (16) formed to have the concave-like shapes, the high rigidity is maintained by the arch structures of the dimples concerned, and a maximum sound pressure can be increased along with the weight saving concerned.