Abstract: A rotary damper 1 includes a synthetic resin-made accommodating case 4 for accommodating in its interior 2 a viscous fluid 3 which is constituted by silicone oil or the like and whose viscosity declines with a temperature rise, and a synthetic resin-made rotor 9 which is disposed in the interior 2 of the accommodating case 4 rotatably, i.e., so as to be rotatable in R1 and R2 directions about an axis O, and which partitions the interior 2 of the accommodating case 4 into at least two chambers, i.e., in this embodiment, two chambers consisting of chambers 5 and 6 and two chambers consisting of chambers 7 and 8, in cooperation with the accommodating case 4.

Abstract: A damper includes a vessel; a partitioning member which partitions the interior of the vessel into two chambers for accommodating a viscous fluid, and which rotates together with the vessel in a direction and is movable in an axial direction; a moving force imparting structure for imparting to the partitioning member a moving force in a direction by the input of rotation in a direction; a resilient structure for resiliently urging the partitioning member in a direction; a through hole for allowing the chambers inside the vessel to communicate with each other; and an allowing/limiting member which allows the viscous fluid to flow reciprocally between the chambers through the through hole, and which limits the flow of the viscous fluid in one chamber into the other chamber in the direction through the through hole.

Abstract: A damper includes a vessel; a partitioning member which partitions an internal space of the vessel into two accommodation chambers for accommodating a viscous fluid and which is movable with respect to the vessel; a moving force imparting device for imparting to the partitioning member a moving force in an A1 direction by the input of rotation in an R2 direction with respect to the vessel, so that the moving velocity is set to one corresponding to the rotating velocity of that input of rotation; a resilient device for resiliently urging the partitioning member in an A2 direction; a communicating hole formed in the partitioning member; and a flow limiting device for limiting the flow of the viscous fluid in the accommodating chamber into the accommodating chamber through the communicating hole when the internal pressure of the viscous fluid accommodated in the accommodating chamber has exceeded a fixed value.

Abstract: A damper includes a vessel; a partitioning member which partitions the interior of the vessel into two chambers for accommodating a viscous fluid, and which rotates together with the vessel in a direction and is movable in an axial direction; a moving force imparting structure for imparting to the partitioning member a moving force in a direction by the input of rotation in a direction; a resilient structure for resiliently urging the partitioning member in a direction; a through hole for allowing the chambers inside the vessel to communicate with each other; and an allowing/limiting member which allows the viscous fluid to flow reciprocally between the chambers through the through hole, and which limits the flow of the viscous fluid in one chamber into the other chamber in the direction through the through hole.

Abstract: A damper 1 includes a vessel 2; a partitioning member 6 which partitions the interior of the vessel 2 into two accommodation chambers 4 and 5 for accommodating a viscous fluid 3, and which rotates together with the vessel 2 in an R direction and is movable in an axial direction A; a moving force imparting means 7 for imparting to the partitioning member 6 a moving force in an A1 direction by the input of rotation in an R1 direction; a resilient means 8 for resiliently urging the partitioning member 6 in an A2 direction; a through hole 9 for allowing the two accommodation chambers 4 and 5 inside the vessel 2 to communicate with each other; and an allowing/limiting member 10 which allows the viscous fluid 3 accommodated in the two accommodation chambers 4 and 5 in the vessel 2 to flow reciprocally between the two accommodation chambers 4 and 5 through the through hole 9, and which limits the flow of the viscous fluid 3 in the accommodation chamber 4 into the accommodation chamber 5 in the A2 direction through t

Abstract: A damper is provided which damps an applied external force in accordance with the strength of the external force (impact strength). The damper 10 comprises a vessel 20 having a cylindrical chamber 21 filled with a viscous fluid, a turn member 60 turned by the external force, a slider member 40 which is moved in the chamber 21 of the vessel 20 by turn of the turn member 60, partition member 80 engaged with the slider member 40, a coiled spring 100 for energizing the slider member 40 toward the turn member 60, and a resin cap 100 blocking an opening of the vessel 20.

Abstract: A damper 1 includes a vessel 2; a partitioning member 6 which partitions an internal space of the vessel 2 into two accommodation chambers 4 and 5 for accommodating a viscous fluid 3 and which is movable with respect to the vessel 2; a moving force imparting device 7 for imparting to the partitioning member 6 a moving force in an A1 direction by the input of rotation in an R2 direction with respect to the vessel 2, so that the moving velocity is set to one corresponding to the rotating velocity of that input of rotation; a resilient device 8 for resiliently urging the partitioning member 6 in an A2 direction; a communicating hole 9 formed in the partitioning member 6; and a flow limiting device 10 for limiting the flow of the viscous fluid 3 in the accommodating chamber 4 into the accommodating chamber 5 through the communicating hole 9 when the internal pressure of the viscous fluid 3 accommodated in the accommodating chamber 4 has exceeded a fixed value.

Abstract: A damper includes a vessel; a partitioning member which partitions an internal space of the vessel into two accommodation chambers for accommodating a viscous fluid and which is movable with respect to the vessel; a moving force imparting device for imparting to the partitioning member a moving force in an A1 direction by the input of rotation in an R2 direction with respect to the vessel, so that the moving velocity is set to one corresponding to the rotating velocity of that input of rotation; a resilient device for resiliently urging the partitioning member in an A2 direction; a communicating hole formed in the partitioning member; and a flow limiting device for limiting the flow of the viscous fluid in the accommodating chamber into the accommodating chamber through the communicating hole when the internal pressure of the viscous fluid accommodated in the accommodating chamber has exceeded a fixed value.

Abstract: A one-way valve having a conduit for allowing liquid to flow therein, a valve element provided in the conduit, a hole portion provided in the conduit on the upstream side of the valve element and configured to be brought into a closed state by being closed by the valve element, and a spring that urges the valve element in the direction to close the hole portion, in which the peripheral surface of the valve element is formed with a first surface and a second surface intersecting the direction of movement of the valve element and generating a component force in the direction to close the hole portion when an urging force of the spring is applied, the first surface and the second surface are formed so as to increase the component force in the direction to close the hole portion as the valve element approaches the hole.

Abstract: A damper is provided which damps an applied external force in accordance with the strength of the external force (impact strength). The damper 10 comprises a vessel 20 having a cylindrical chamber 21 filled with a viscous fluid, a turn member 60 turned by the external force, a slider member 40 which is moved in the chamber 21 of the vessel 20 by turn of the turn member 60, partition member 80 engaged with the slider member 40, a coiled spring 100 for energizing the slider member 40 toward the turn member 60, and a resin cap 100 blocking an opening of the vessel 20.

Abstract: A rotary damper 1 includes a synthetic resin-made accommodating case 4 for accommodating in its interior 2 a viscous fluid 3 which is constituted by silicone oil or the like and whose viscosity declines with a temperature rise, and a synthetic resin-made rotor 9 which is disposed in the interior 2 of the accommodating case 4 rotatably, i.e., so as to be rotatable in R1 and R2 directions about an axis O, and which partitions the interior 2 of the accommodating case 4 into at least two chambers, i.e., in this embodiment, two chambers consisting of chambers 5 and 6 and two chambers consisting of chambers 7 and 8, in cooperation with the accommodating case 4.

Abstract: A damper 1 includes a vessel 4 for accommodating a viscous fluid 3 in its interior 2; hampering walls 5 and 6 for hampering the flow of the viscous fluid 3; a partitioning member 11 which partitions each of interior portions 7 and 8 into two chambers 9 and 10 and is provided rotatably; a communicating hole 13 formed in the partitioning member 11 so as to allow the two chambers 9 and 10 to communicate with each other via a variable passage 12 whose passage cross-sectional area changes; a flow limiting means 14 for limiting the flow of the viscous fluid 3 in the chamber 9 into the chamber 10 through the communicating hole 13, when the internal pressure of the viscous fluid 3 accommodated in the chamber 9 has exceeded a fixed value on the basis of the rotation of the partitioning member 11; and a resilient means 15 for resiliently urging the partitioning member 11 in an R2 direction with respect to the vessel 4.

Abstract: A damper 1 includes a vessel 2; a partitioning member 6 which partitions the interior of the vessel 2 into two accommodation chambers 4 and 5 for accommodating a viscous fluid 3, and which rotates together with the vessel 2 in an R direction and is movable in an axial direction A; a moving force imparting means 7 for imparting to the partitioning member 6 a moving force in an A1 direction by the input of rotation in an R1 direction; a resilient means 8 for resiliently urging the partitioning member 6 in an A2 direction; a through hole 9 for allowing the two accommodation chambers 4 and 5 inside the vessel 2 to communicate with each other; and an allowing/limiting member 10 which allows the viscous fluid 3 accommodated in the two accommodation chambers 4 and 5 in the vessel 2 to flow reciprocally between the two accommodation chambers 4 and 5 through the through hole 9, and which limits the flow of the viscous fluid 3 in the accommodation chamber 4 into the accommodation chamber 5 in the A2 direction through t

Abstract: A damper is provided which damps an applied external force in accordance with the strength of the external force (impact strength). The damper 10 comprises a vessel 20 having a cylindrical chamber 21 filled with a viscous fluid, a turn member 60 turned by the external force, a slider member 40 which is moved in the chamber 21 of the vessel 20 by turn of the turn member 60, partition member 80 engaged with the slider member 40, a coiled spring 100 for energizing the slider member 40 toward the turn member 60, and a resin cap 100 blocking an opening of the vessel 20.

Abstract: A damper 1 includes a vessel 2; a partitioning member 6 which partitions an internal space of the vessel 2 into two accommodation chambers 4 and 5 for accommodating a viscous fluid 3 and which is movable with respect to the vessel 2; a moving force imparting device 7 for imparting to the partitioning member 6 a moving force in an A1 direction by the input of rotation in an R2 direction with respect to the vessel 2, so that the moving velocity is set to one corresponding to the rotating velocity of that input of rotation; a resilient device 8 for resiliently urging the partitioning member 6 in an A2 direction; a communicating hole 9 formed in the partitioning member 6; and a flow limiting device 10 for limiting the flow of the viscous fluid 3 in the accommodating chamber 4 into the accommodating chamber 5 through the communicating hole 9 when the internal pressure of the viscous fluid 3 accommodated in the accommodating chamber 4 has exceeded a fixed value.

Abstract: A damper (2) includes: a fixing member (12); a rotator (11) which is rotatably supported by the fixing member (12) and forms a gap (13) with the fixing member (12); a silicone-based unvulcanized rubber (15) disposed in the gap (13); and a one-way clutch means (16) which, in a lateral rotation (R1) of a rear seat (3) in a lowering direction, is adapted to transmit the lateral rotation (R1) in the lowering direction to the rotator (11) so as to cause the rotator 11 to undergo rotation about an axis X, and which, in the lateral rotation (R1) of the automobile rear seat (3) in a raising direction, is adapted to inhibit the transmission of the lateral rotation (R1) in the raising direction to the rotator (11).

Abstract: [Object] To provide a one-way valve and a door check apparatus which is compact and includes a small number of components.

Abstract: A damper (2) includes: a fixing member (12); a rotator (11) which is rotatably supported by the fixing member (12) and forms a gap (13) with the fixing member (12); a silicone-based unvulcanized rubber (15) disposed in the gap (13); and a one-way clutch means (16) which, in a lateral rotation (R1) of a rear seat (3) in a lowering direction, is adapted to transmit the lateral rotation (R1) in the lowering direction to the rotator (11) so as to cause the rotator 11 to undergo rotation about an axis X, and which, in the lateral rotation (R1) of the automobile rear seat (3) in a raising direction, is adapted to inhibit the transmission of the lateral rotation (R1) in the raising direction to the rotator (11).

Abstract: A pedal device (1) for an automobile includes a supporting frame (2); an accelerator pedal arm (3) made of a rigid metal and supported by the supporting frame (2) in such a manner as to be rotatable about an axis A in directions R; a spring means (4) for rotatively urging the accelerator pedal arm (3) toward an initial position of its rotation; a damper (5) for imparting a resistance force to the rotation in the directions R of the accelerator pedal arm (3); and a stopper for stopping the rotation of the accelerator pedal arm (3) at the initial position of its rotation.

Abstract: A pedal device (1) for an automobile includes a supporting frame (2); an accelerator pedal arm (3) made of a rigid metal and supported by the supporting frame (2) in such a manner as to be rotatable about an axis A in directions R; a spring means (4) for rotatively urging the accelerator pedal arm (3) toward an initial position of its rotation; a damper (5) for imparting a resistance force to the rotation in the directions R of the accelerator pedal arm (3); and a stopper for stopping the rotation of the accelerator pedal arm (3) at the initial position of its rotation.