Abstract: A relay has a first fixed contact, a second fixed contact, a movable touch piece including a first movable contact that is disposed facing the first fixed contact, and a second movable contact that is disposed facing the second fixed contact, the movable touch piece being disposed so as to be movable in a contact direction in which the first movable contact and the second movable contact come into contact with the first fixed contact and the second fixed contact and a separation direction in which the first movable contact and the second movable contact separate from the first fixed contact and the second fixed contact, and a drive device disposed in the contact direction with respect to the movable touch piece and configured to generate a driving force for moving the movable touch piece.

Abstract: An object of the present invention is to produce a member useful for preventing edible oil from degrading by performing simple, economical, and safe steps. A method for producing an edible oil degradation-preventing member, comprising the steps of: (1) forming titanium nitride on the surface of a metallic titanium material or titanium alloy material by one treatment method selected from the group consisting of a heat treatment under an ammonia gas atmosphere and a heat treatment under a nitrogen gas atmosphere, at a heating temperature of 750° C.

Abstract: A contact switching device includes a pair of fixed contact terminals that include fixed contacts at one-side ends and are arranged side by side, a movable contactor that includes a pair of movable contacts at both ends, and are disposed so as to bridge between the pair of fixed contact terminals, and supported so as to be able to reciprocate towards the fixed contact terminals, each of the movable contacts facing each of the fixed contacts so as to be able to come into contact with and separate from each of the fixed contacts, and a pair of leading terminals configured to respectively fix fixed portions, provided at one-side ends, to other-side ends of the fixed contact terminals. An extension portion continuing to each of the fixed portions or at least one of the leading terminals is disposed so as to follow the movable contactor.

Abstract: An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal secured to the housing; a movable contact accommodated in a chamber in the housing; a movable shaft with one end connected to the movable contact, and a solenoid configured to drive the movable shaft in a contact movement direction. The contact terminals including contact arrangement portions to which a first fixed contact point and a second fixed contact point are secured; and external terminals arranged outside the housing; and intermediate portions connecting the contact arrangement portions and the external terminals and held by the housing; the housing includes a pair of supports each supporting the first fixed contact point and the second fixed contact point.

Abstract: An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal; a movable contact, a movable shaft with one end connected to the movable contact, and a coil spring placed between the movable contact and an insulating wall in a chamber in the housing. The coil spring configured to bias movable contact points toward the opposing fixed contact points. The movable contact includes a contact body which includes a connection hole configured to receive the movable shaft and allow the movable shaft to travel relatively in the contact movement direction. The movable shaft includes a second holder that together with the first holder retains the coil spring.

Abstract: An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal secured to the housing; a movable contact accommodated in a chamber in the housing; a movable shaft with one end connected to the movable contact, and a solenoid configured to drive the movable shaft in a contact movement direction. The solenoid includes: a spool with a through-hole in the drum; a fixed armature secured in the through-hole; and a movable armature arranged between the fixed armature in the through-hole and an insulating wall; the movable armature is configured to travel with the movable shaft between an operation position and a return position. The housing includes an alignment part that determines the return position of the movable armature.

Abstract: An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal; a movable contact, a movable shaft with one end connected to the movable contact, and a coil spring placed between the movable contact and an insulating wall in a chamber in the housing. The coil spring configured to bias movable contact points toward the opposing fixed contact points. The fixed contact terminals each includes: a contact arrangement portion in the chamber; an external terminal arranged outside the housing; and an intermediate portion held by the insulating wall and connecting a contact arrangement portion and an external terminal; the intermediate portion curves near the second compartment relative a virtual line connecting both ends thereof in the extension direction.

Abstract: An electromagnetic relay is provided with a housing; a first fixed contact terminal and a second fixed contact terminal secured to the housing; a movable contact accommodated in a chamber in the housing; a movable shaft with one end connected to the movable contact, and a solenoid configured to drive the movable shaft in a contact movement direction. A movable armature in the solenoid includes a groove that allows the movable shaft to be inserted from a direction intersecting with the contact movement direction. The other end of the movable shaft includes a first locking part and the groove in the movable armature includes a second locking part. The movable shaft and the movable armature engage in the contact movement direction with the engagement of the first locking part and the second locking part and move integrally in the contact movement direction.

Abstract: An electromagnetic relay includes a housing, a pair of fixed terminals, a movable contactor that is movably disposed so as to approach and separate from a fixed contact placement surface of each of the pair of fixed terminals, a movable shaft capable of moving in conjunction with the movable contactor, electromagnetic drive unit that drives the movable shaft to move the movable contactor in a moving direction, and an attenuation mechanism unit that includes an insulating attenuation member disposed between the movable contactor and the electromagnetic drive unit, and a sound insulating gap provided between the attenuation member and the electromagnetic drive unit.

Abstract: An electromagnetic relay includes a pair of fixed contacts, a pair of movable contacts that respectively face the pair of fixed contacts and are structured to respectively come into contact with and be separated from the pair of fixed contacts, a movable touch piece configured to electrically connect the pair of movable contacts, and a pair of permanent magnets that are arranged on a straight line passing through the pair of fixed contacts and the pair of movable contacts in a planar view seen along a contact-separation direction in which each of the movable contacts comes into contact with or is separated from each of the fixed contacts. The pair of permanent magnets face each other. The pair of permanent magnets are arranged so as to sandwich the pair of fixed contacts and the pair of movable contacts.

Abstract: A contact mechanism includes a first fixed contact, a second fixed contact, a first movable contact that faces the first fixed contact, and that is disposed so as to come into contact with or be separated from the first fixed contact, and a second movable contact that faces the second fixed contact, and that is disposed so as to come into contact with or be separated from the second fixed contact. The first fixed contact and the first movable contact are disposed so as to face each other in a direction intersecting with a contact-separation direction in which the first movable contact and the second movable contact come into contact with or are separated from the first fixed contact and the second fixed contact. The second fixed contact and the second movable contact are disposed so as to face each other in the direction intersecting with the contact-separation direction.

Abstract: A material that is useful as a wear-resistant member, a highly functional photocatalytic material, a photoelectric conversion element material, etc., is produced without the need for complicated processes or complicated handling, which are problems of the prior art. Provided is a method for producing a surface-treated metallic titanium material or titanium alloy material, the method comprising the steps of (1) forming titanium nitride on the surface of a metallic titanium material, and (2) heating the metallic titanium material with titanium nitride formed on the surface thereof obtained in step (1) in an oxidizing atmosphere.

Abstract: There is provided a contact switching device which has high productivity and in which operation characteristics hardly vary. The contact switching device includes an electromagnetic unit, a holder, a movable shaft, a movable yoke, a movable contact piece having movable contacts at both ends, fixed contacts, and a fixed yoke. At the time of excitation of the electromagnetic unit, the movable shaft moves to the holder side along a direction of an axis center. A magnetic circuit is formed of the fixed yoke and the movable yoke due to a magnetic field generated by a current that flows into the movable contact piece as a result of the movable contacts coming into contact with the fixed contacts. The movable yoke is then attracted to the fixed yoke.

Abstract: There is provided a contact switching device which has high productivity and in which operation characteristics hardly vary. The contact switching device includes an electromagnetic unit, a holder, a movable shaft, a movable yoke, a movable contact piece having movable contacts at both ends, fixed contacts, and a fixed yoke. At the time of excitation of the electromagnetic unit, the movable shaft moves to the holder side along a direction of an axis center. A magnetic circuit is formed of the fixed yoke and the movable yoke due to a magnetic field generated by a current that flows into the movable contact piece as a result of the movable contacts coming into contact with the fixed contacts. The movable yoke is then attracted to the fixed yoke.

Abstract: An object of the present invention is to produce a member useful for preventing edible oil from degrading by performing simple, economical, and safe steps. A method for producing an edible oil degradation-preventing member, comprising the steps of: (1) forming titanium nitride on the surface of a metallic titanium material or titanium alloy material by one treatment method selected from the group consisting of a heat treatment under an ammonia gas atmosphere and a heat treatment under a nitrogen gas atmosphere, at a heating temperature of 750° C.

Abstract: The invention provides a sealed contact device capable of extinguishing an arc which extends in an arbitrary direction. The sealed contact device includes a housing; a fixed contact and a movable contact disposed in the housing in such a manner as to face each other; and permanent magnets which are disposed with the fixed contact and the movable contact interposed therebetween and which attracts an arc between the fixed contact and the movable contact using a magnetic force. An arc shielding member is disposed at a position to which the arc is attracted by current flowing between the fixed contact and the movable contact and by the magnetic force between the permanent magnets, in the housing.

Abstract: A cylinder head gasket includes a plurality of seal plates 1 to 4 so that a combustion gas that leaks through a gap between the respective seal plates is reliably sealed. The cylinder head gasket includes the plurality of seal plates 1 to 4, which are held between a cylinder head and a cylinder block having a cylinder bore. The plurality of seal plates 1 to 4 are adhered to each other in a circumferentially continuous manner around combustion chamber holes 1a to 4a, and the combustion gas that leaks through the gap between the respective seal plates is reliably sealed within an adhered portion 5 of the respective seal plates.

Abstract: An object of the present invention is to provide a contact switching device that has small hitting sound during operation and is excellent in impact resistance. For this, there is a contact switching device in which a movable iron core (142) provided at one end portion of a movable shaft is attracted to a fixed iron core, based on excitation and degauss of an electromagnet portion, by which the movable shaft reciprocates in a shaft center direction, and a movable contact of a movable contact piece arranged at another end portion of the movable shaft contacts and departs from a fixed contact. Particularly, the movable iron core (142) has a cylindrical outer circumferential portion (142a) and an annular attracting and sticking portion (142b), and a ratio between an inner diameter and an outer diameter of the cylindrical outer circumferential portion (142a) is 77% or less.

Abstract: An object of the present invention is to provide a contact switching device in which a short circuit contingent to flow-out of scattered objects caused by arc is eliminated, so that life durability is increased. For this, there is provided a contact switching device in which a movable iron core provided at one end portion of a movable shaft is attracted to a fixed iron core, based on excitation and degauss of an electromagnet portion, by which the movable shaft reciprocates in a shaft center direction, and movable contacts of a movable contact piece arranged at another end portion of the movable shaft contact and depart from fixed contacts. Particularly, contact surfaces between the fixed contacts and the movable contacts are arranged inside a box-shaped insulating member, and an opening portion of the insulating member is closed by a lid body having at least one extending portion in a direction of an arc generated between the fixed contacts and the movable contacts.