Abstract: A sealed thrust bearing includes an inner ring; an outer ring facing the inner ring in an axial direction; an elastic member that covers the inner ring so as to define: an inner elastic seal member that seals a space between an inner circumferential portion of the inner ring and an inner circumferential portion of the outer ring; and an outer elastic seal member that seals a space between an outer circumferential portion of the inner ring and an outer circumferential portion of the outer ring; and a lower member that is disposed below the outer ring for being assembled with the outer ring, and is provided with cation coating. The inner elastic seal member has a lip in pressure contact with an inner surface of one of a cylinder portion and a cylindrical portion of the lower member, and the outer elastic seal member has a lip in pressure contact with an upper surface of one of an annular ring portion and an annular portion of the lower member.

Abstract: A hydroponic cultivation apparatus comprises: at least cultivation containers for growing the plants; a plurality of plant supporting portions to support the plants; a plurality of nutrient solution supplying portions to supply nutrient solutions; a plurality of first switching valves; a plurality of nutrient solution discharging portions to discharge the nutrient solutions; a plurality of second switching valves; a plurality of pH value detecting portions to detect pH values of the nutrient solutions; a receptacle portion to store the nutrient solutions discharged from the plurality of nutrient discharging portions; nutrient solution circulating portions to send the nutrient solutions from the receptacle portion; and a controlling portion to control opening and closing operations of the first switching valves and the second switching valves based on the pH values detected by the pH value detecting portions.

Abstract: A hydroponic cultivating device includes a first spraying portion configured to supply a plant with water utilizing electric power; a second spraying portion configured to supply the plant with the water utilizing water-line pressure; a detecting portion configured to detect a state of electric power supply necessary for supplying the plant with the water by the first spraying portion; and a controlling portion configured to control the second spraying portion, wherein the controlling portion switches a city-water switching valve and a discharge switching valve from a closed state to an open state, and thereby, supplies the plant with the water by the second spraying portion, in a case where it is determined that the electric power supply is stopped, based on the state of the electric power supply detected by the detecting portion.

Abstract: A method of producing a wheel bearing apparatus includes: performing positioning of a slinger of a sealing device with respect to a base shaft portion of a hub spindle by pressing a jig to press-fit the slinger to the base shaft portion, using an inner ring contacted surface, which is a step portion between a small-diameter shaft portion and a large-diameter shaft portion of the hub spindle, as a reference surface; and fitting, after the slinger is press-fitted to the base shaft portion, an inner ring to the small-diameter shaft portion such that the inner ring reaches a position at which the inner ring comes into contact with the inner ring contacted surface, in a state where an outer ring, rolling elements, and the sealing device have been assembled to the hub spindle.

Abstract: A hydroponic cultivation apparatus includes: a cultivation chamber underground portion internally including an underground space where a subterranean part of a plant grows such that the underground space is separated from above-ground space where aerial part of the plant grows; an underground temperature adjuster which adjusts a temperature of an atmosphere inside the underground space; and a controller which controls the underground temperature adjuster, in which the controller includes a dormancy determination unit which determines whether a time of cultivation of the plant is a dormant period when leaves of the aerial part wither, and a temperature controller which makes the underground temperature adjuster adjust the temperature of the atmosphere inside the underground space so as to facilitate germination of the plant in a case where the dormancy determination unit determines that the time of cultivation of the plant is the dormant period when leaves of the aerial part wither.

Abstract: To grow a plant which stores nutrients synthesized in an above-ground part into an underground part, a hydroponic cultivation apparatus waters the underground part. The hydroponic cultivation apparatus includes: a void portion housing the underground part while establishing a substantially sealed state; a sensor which detects an amount of moisture in the void portion at the underground part or around the underground part; an air conditioning fan which introduces outside air to the void portion and controls temperature and humidity inside the void portion; and a controller which controls the amount of moisture detected by the sensor by driving the air conditioning fan in such a way as to adjust an amount of the outside air or an introduction period of the outside air.

Abstract: The inner elastic sealing member 5 includes an inner cylindrical base portion 5A leading to an end portion of an inner cylindrical portion 1B of the inner ring 1, and also includes, at an outer circumferential surface of the inner cylindrical base portion 5A, a projection 7 extending radially outward of an inner periphery of a lower end of an inner cylindrical portion 2B of the outer ring 2. The outer elastic sealing member 6 includes a lip 6B brought into pressure contact with a pressure contact surface B of the outer ring 2. An upper surface 7A of the projection 7 is spaced downward from the lower end of the inner cylindrical portion 2B of the outer ring 2, and an outer circumferential surface 7C of the projection 7 is spaced radially inward from the lower member 8.

Abstract: An electric power steering system includes a rack housing configured to accommodate a rack shaft, a pinion shaft meshed with the rack shaft, a speed-reducer including a worm wheel connected to a portion of the second pinion shaft protruding from the rack housing, a speed-reducer housing configured to accommodate the speed-reducer, and a seal member having an annular shape. The seal member is disposed closer to the second pinion gear than the worm wheel is, in the speed-reducer housing. The sear member seals a clearance between the second pinion shaft and the speed-reducer housing.

Abstract: A hydroponic apparatus includes: a soil surface section including a through-hole through which to insert a plant, and separating a subterranean space where a subterranean part of the plant grows and an aerial space where an aerial part of the plant grows; a growing tank, together with the soil surface section, forming the subterranean space, where the subterranean part is placed; germination enhancer supplying units supplying a germination enhancer, reserved in a germination enhancer reservoir, to at least one of the aerial parts and the subterranean parts; and a control unit controlling a mode in which the germination enhancer supplying units supply the germination enhancer to the plants.

Abstract: A hydroponic apparatus includes: a cultivation tank that encloses an underground space with a ground surface portion that separates the underground space and an aboveground space; a light applying unit that is controlled to go into either of a light period in which light is applied to the plant and a dark period in which light is not applied to the plant; an aboveground temperature detection unit that detects a temperature of the aboveground space; an aboveground temperature adjustment unit that adjusts the temperature of the aboveground space and a control unit that controls the aboveground temperature adjustment unit based on information on the temperature of the aboveground space detected by the aboveground temperature detection unit. The control unit controls the aboveground temperature adjustment unit such that the temperature of the aboveground space in the dark period is lower than the temperature of the aboveground space in the light period.

Abstract: A plant growing device includes: a container configured to reserve a nutrient solution in a lower portion of the container; a holding unit configured to hold plants inside the container; spray units configured to spray the nutrient solution toward the inside of the container; and support units configured to support the holding unit, and to move the holding unit to a position depending on how the spray units are driving, in a range from a spray region where the nutrient solution sprayed by the spray units is supplied to roots of the plants to an immersion region where the nutrient solution reserved in the container is supplied to the roots of the plants.

Abstract: A video camera includes a camera body provided with an opening; a panel unit configured to be pivotable with respect to the camera body between a use position and a storage position; and a lid configured to be pivotable with respect to the opening so as to open/close a battery box. The opening is provided on a surface adjacent to a storage position against which the bottom of the panel unit is brought into abutment at the storage position. The panel unit overhangs a surface in which the opening is provided by the pivot of the panel unit from the storage position to the use position, and the lid pivots relative to the opening to a position which does not interfere with the panel unit so as to open the opening.

Abstract: When a cultivation condition value changed by using a prescribed value in a changing step is equal to or above a preset upper limit value, the cultivation condition value is replaced with the upper limit value. When the cultivation condition value changed by using the prescribed value in the changing step is equal to or below a preset lower limit value, the cultivation condition value is replaced with the lower limit value.

Abstract: An electronic device housing, includes: a housing case including a housing area which houses a heat generating component; a duct, including ends which are in communication with the housing area at different positions respectively and a body portion disposed outside the housing area, in which first air inside housing case which is heated by the heat generating component flows; and a flow device, disposed in the housing case, configured to circulate the first air and make second air which radiates heat in the duct flow towards a side of the housing area side.

Abstract: A light emission device attachable and detachable to and from an imaging apparatus, includes: a light emission portion; a storage portion for accommodating a battery which supplies electric power to cause the light emission portion to emit light; and a capacitor which accumulates electrical energy to cause the light emission portion to emit light using the power supplied from the battery, wherein the storage portion is arranged such that the longitudinal direction of the battery accommodated in the storage portion is substantially perpendicular to the longitudinal direction of the light emission portion, the capacitor is arranged such that the longitudinal direction of the capacitor is substantially perpendicular to the longitudinal direction of the light emission portion, and the storage portion and the capacitor are arranged side by side in the longitudinal direction of the light emission portion.

Abstract: A method of producing a wheel bearing apparatus includes: performing positioning of a slinger of a sealing device with respect to a base shaft portion of a hub spindle by pressing a jig to press-fit the slinger to the base shaft portion, using an inner ring contacted surface, which is a step portion between a small-diameter shaft portion and a large-diameter shaft portion of the hub spindle, as a reference surface; and fitting, after the slinger is press-fitted to the base shaft portion, an inner ring to the small-diameter shaft portion such that the inner ring reaches a position at which the inner ring comes into contact with the inner ring contacted surface, in a state where an outer ring, rolling elements, and the sealing device have been assembled to the hub spindle.

Abstract: A hydroponic cultivation apparatus grows a plant by circulating a nutrient solution. The hydroponic cultivation apparatus includes: a hydroponic container configured to hold the nutrient solution; a support portion configured to support the plant; a nutrient solution supply unit configured to supply the nutrient solution to the hydroponic container; a nutrient solution discharging unit configured to discharge the nutrient solution from the hydroponic container; and a budding enhancer supply unit configured to supply a budding enhancer to the plant. Thereby, the hydroponic cultivation apparatus makes the plant produce a bud.

Abstract: A hydroponic cultivation apparatus comprises: at least cultivation containers for growing the plants; a plurality of plant supporting portions to support the plants; a plurality of nutrient solution supplying portions to supply nutrient solutions; a plurality of first switching valves; a plurality of nutrient solution discharging portions to discharge the nutrient solutions; a plurality of second switching valves; a plurality of pH value detecting portions to detect pH values of the nutrient solutions; a receptacle portion to store the nutrient solutions discharged from the plurality of nutrient discharging portions; nutrient solution circulating portions to send the nutrient solutions from the receptacle portion; and a controlling portion to control opening and closing operations of the first switching valves and the second switching valves based on the pH values detected by the pH value detecting portions.

Abstract: A hydroponic cultivating device includes a first spraying portion configured to supply a plant with water utilizing electric power; a second spraying portion configured to supply the plant with the water utilizing water-line pressure; a detecting portion configured to detect a state of electric power supply necessary for supplying the plant with the water by the first spraying portion; and a controlling portion configured to control the second spraying portion, wherein the controlling portion switches a city-water switching valve and a discharge switching valve from a closed state to an open state, and thereby, supplies the plant with the water by the second spraying portion, in a case where it is determined that the electric power supply is stopped, based on the state of the electric power supply detected by the detecting portion.

Abstract: To grow a plant which stores nutrients synthesized in an above-ground part into an underground part, a hydroponic cultivation apparatus waters the underground part. The hydroponic cultivation apparatus includes: a void portion housing the underground part while establishing a substantially sealed state; a sensor which detects an amount of moisture in the void portion at the underground part or around the underground part; an air conditioning fan which introduces outside air to the void portion and controls temperature and humidity inside the void portion; and a controller which controls the amount of moisture detected by the sensor by driving the air conditioning fan in such a way as to adjust an amount of the outside air or an introduction period of the outside air.