Abstract: A lever switch arrangement used for vehicles comprising a first outer lever (3) provided with an operation rod (3a) at a base end portion thereof, a second lever (6) having a cylinder portion (6a) freely inserted into the first lever (3), and a third lever (22) rotatably inserted into the cylinder portion (6a) of the second lever (6). The switch arrangement further comprises a rotary knob (4) fixed at one end of the third lever, and an operation rod (22a) at another end thereof. A movable member (34) adapted to be operated in relation to the third lever (22) has a movable contact (35) and is rotatably fixed on a shaft rod (32a). The shaft rod (32a) is provided with a first substrate (14) at one end of the shaft rod (32a) and a second substrate (32) at another end thereof. The second substrate (32) is provided with a projection rod (32d) to be inserted into a through hole (14c) mounted on the first substrate (14), the second substrate (32) being integrally formed with the shaft rod (32a).

Abstract: An electromagnetic relay structure having a plate spring and a yoke secured to a base by forming a vibration damping portion integral with a terminal and by securing the terminal to the base by insertion molding. The vibration damping portion is disposed between an L-shaped yoke, an end of which is secured to the base, and the terminal, which is also fixed to the base. The vibration damping portion is spot welded to a plate spring, which is secured to the yoke. A spot welding machine is provided for fixing the plate spring to the vibration damping portion. The spot welding machine has electrodes that are rotated by motors while effecting spot welding of the material.

Abstract: A lever switch for vehicles has a first lever 6, a second lever 7, and a third lever 5. The first lever 6 is provided with a first operation rod 9 for operating a first movable member 18 disposed on a pole board 22. The second lever 7 is provided with a second operation rod 7f for operating a second movable member 19 disposed on the pole board 22. The third lever 5 is provided with a third operation rod 5a for operating a third movable member 17 disposed on the pole board 22. The lever switch provides two rotary knobs mounted on a single operation lever assembly and is made compact and slim in formation.

Abstract: A column switch is provided with a rotary connector that makes electrical connection between a steering wheel and a vehicle by means of a coiled, flexible, flat cable 5 accommodated in a housing. The housing includes a lower housing defined by a base 1 of the column switch and an upper housing defined by a rotor 6 with a cancel cam 6f. The base 1 has a hollow cylinder 1a through which a steering shaft 2 is inserted in line with the hollow cylinder, and an annular groove 1b surrounding the hollow cylinder 1a and accommodating the flat cable 5 therein. The rotor 6 has an accommodating section 6c that closes the annular groove 1b, and a resilient fastening strap 6e that rotatably engages a fastening portion 1e formed on the hollow cylinder 1a. Since the same construction serves as both the base of the column switch and the housing of a rotary connector, the number of parts and assembly costs are minimized.

Abstract: A shift knob structure having a knob main body 1 formed by a skeleton 2 and a skin member 3 encapsulating over the skeleton 2. A switch 6 is provided on the knob main body 1. A conductor wire 7 is buried in the skeleton 2 and connected at one end to the terminal 6a of the switch 6. The skeleton 2 has a switch mounting portion 2f for mounting the switch 6 and a first support groove 2j formed in a bottom surface of the switch mounting portion 2f to insert therein the conductor wire 7. The skeleton 2 has a second support groove 2n formed in a lateral side thereof to insert therein the conductor wire 7. A press-fit hole 2k is formed open between the second support groove 2n and the first support groove 2j to pass the conductor wire 7 therethrough. As a result of this shift knob construction, the number of bend portions in a conductor wire is decreased, thereby reducing the number of fabricating processes and cost.

Abstract: A lever switch includes a pivoting knob 4, an inner lever 22 having the pivoting knob 4 fixed at an extremity thereof and a manipulation rod at another extremity thereof, and a second lever 6 having a pipe-shaped portion, through which a shaft bar of the inner lever passes. The inner lever 22 is formed in one body with the manipulation rod, which has a toothed-wheel-shaped engaging portion 22b at another extremity portion. The toothed-wheel-shaped engaging portion has a thickness of teeth t1 on the side of a shaft bar 22c that is greater than a thickness of teeth t2 on the side of a case. The engaging portion 22b is formed so as to protrude in a direction inclined with respect to a center line of the shaft bar 22c.

Abstract: In order to enlarge a stroke of a movable piece displaced by pivoting a lever in upward and downward directions, a lever switch for a vehicle according to the present invention has a lever mounted pivotably on a case, and a movable piece moved by pivoting movement of the lever. An arm body is disposed between the case and the movable piece. In the arm body there are a shaft portion supported pivotably by the case at one end, a thrusting portion driving the movable piece at the other end, and a contacting portion brought into contact with the lever at an approximately central part. The arm body includes a first arm, at an extremity of which the shaft portion is disposed, a second arm, at an extremity of which the contacting portion is disposed, and a third arm, at an extremity of which the thrusting portion is disposed.

Abstract: A twilight delay apparatus includes an automatic switching unit for switching a daytime running light control unit to an actuated state for a predetermined time, the daytime running light control unit being used to light the right and left head lamps by switching them to a series connection even in the daytime in response to a lit state maintaining output of a twilight delay unit instead of the operation of the start of an engine.

Abstract: A clamp structure for a cord that improves workability during clamping a cord with using a strip band. The clamp structure includes a polarity board 1, and a connector portion 2 projectingly provided on a side surface of the polarity board 1. A corner 3 is formed by the polarity board 1 and the connector portion 2. A cord 4 is provided for transmitting a signal from a rotary switch portion 5a, and a cover 8 is provided for covering a circuit board 7 and the polarity board 1. A strip band 9 formed of resin in a strip form is provided having a lock portion 9a at one end. An engaging portion 10 is formed integral with a side surface of the connector portion 2, which is engaged with the inserted strip band 9. The cover 8 has a guide portion 11 triangular in section provided at a location adjacent to the engaging portion 10 so that the tip end of the strip band 9 inserted through the engaging portion 10 is guided along the guide surface 11 to an outside of the polarity board 1.

Abstract: A rotary connector apparatus for supplying electric power to an air bag mounted on a steering wheel has a stator housing, a rotor housing, a flexible cable within a space defined by the housings and a slidable sheet temporarily fixed by an engaging claw on the bottom housing until the stator housing is assembled. A bearing over the entire periphery of a lower end of the rotor housing includes a thrust bearing and a radial bearing. Crimp portions protruding from the rotor housing are inserted into a cord cover, and the cord cover is secured by crushing the crimp portions. The cord cover covers an outlet for the cord, and a holder for holding an end of the flexible cable is secured to the rotor housing. The holder has an arc-shaped surface on a side of a space accommodating the cable, and a tongue-shaped elastic piece is secured within a recess on the surface to prevent buckling of the cable.

Abstract: A combination switch for a vehicle which employs only one connector for electrical connections. A body is formed with a first recess and second recess formed on the left and right sides of the body, respectively. A first switch is mounted to the first recess, and a second switch is mounted to the second recess. A terminal block is mounted to the body between the first and second switches. The terminal block electrically connects the first switch and the second switch. An electrical connector is provided on either the first switch or the second switch for connecting to an external connector.

Abstract: A temperature sensor forming method and forming die are provided which perform insert-forming of a temperature sensor with a minimum of processes and in a short time. The temperature sensor formed has a temperature sensing element 1 arranged in a predetermined position inside a resin case 2. The process does not leave traces of pins that would allow water to penetrate the interior of the case. The process comprises a first step of supporting the temperature sensing element 1 with first and second slide blocks 6c and 6g. The process comprises a second step of injecting a molten forming resin 2a into a forming die 6 and retracting the first slide block 6c by injection pressure while the temperature sensing element 1 is being supported by the second slide block 6g. The process comprises a third step of retracting the second slide block 6g while injecting the molten forming resin 2a into the forming die 6.

Abstract: An inhibitor switch having a construction that facilitates fabrication by disposing a bearing surface made of a metal plate so as to be exposed at a bottom surface of a shaft hole to which a shaft of a movable plate is pivotably fitted, and having fixed contact plates formed in a pole plate by insertion molding. The movable plate has movable contacts, which are brought into contact with the fixed contact plates. A movable arm is secured to the movable plate. A case supports pivotably the movable plate together with the pole plate. The bearing surface made of a metal plate is disposed so as to be exposed at the bottom surface of the shaft hole to which the shaft of the movable plate is pivotably fitted. The bearing surface can be integral with one of the fixed contact plates.

Abstract: An automatic-transmission control for outputting a switch signal of a shift position is produced as follows. A first terminal unit includes small-power fixed contacts coupled with small-power contacts of a connector through a coupling portion, is formed. A second terminal unit, which includes large-power fixed contacts coupled with large-power contacts of a connector through a coupling portion, is formed. A positioning resin block is formed to at least one of the first and second terminal units. The first and second terminal units are laminated through the positioning block. A switch body and a connector are molded upon inserting the laminated first and second terminal units in a molding die. The switch body and the connector are separated by cutting the coupling portion.

Abstract: An integrated circuit for a flasher system which is inserted in a current path connected to direction indicator lamps of a vehicle for cyclically opening and closing the current path so as to flash the direction indicator lamps. The integrated circuit 21 includes a resistor 213B connected between a pin 21B of the integrated circuit and an input 213E of a comparator 213A, which is provided in a lamp burnout detecting section 213 of the integrated circuit 21. A noise filter is formed of the resistor 213B and the capacitor 213C connected to the input 213E of the comparator 213A. A resistor 212B is connected between a pin 21E of the integrated circuit and an input 212E of a comparator 212A in an oscillator section 212 of the integrated circuit 21. A noise filter is formed of the resistor 212B and a parasitic capacitor 212C connected to the input 212E of the comparator 212A. An input end and an output end of the comparator 212A are connected together through a hysteresis setting element 212F.

Abstract: An apparatus for manipulating a transmission of a vehicle, wherein speeds of transmission for the vehicle can be switched-over both automatically and manually, is provided which makes it possible to use the same switching unit for detecting whether a shift lever is positioned on a first path side at which an automatic transmission mode is executed, or on a second path side at which a manual transmission mode is executed, even if the design of the shift lever or other parts of the apparatus are changed. The apparatus includes a switching unit 5 for detecting on which side the shift lever 1 is positioned, the first path 2 side or the second path 3 side. The switching unit 5 has a first manipulating member 52 connected with a connecting portion 11 of the shift lever 1. The first manipulating member 52 is constructed so as to be a sliding bearing so that it can pivot freely around an axis O thereof.

Abstract: A lever switch for a vehicle including a boot having a good appearance. A manipulation lever 1 passes through a lever insertion hole 10a formed in a column cover 10 and is mounted pivotably in a switch case 5 by insertion. The boot 9 blocks a space between the switch case 5 and the lever insertion hole 10a, and a filling-up member 20 is engaged with a cut-off portion 9d of an opening portion 9c thereof, which is opened approximately in a trumpet shape. Engaging grooves 9f, with which guide rails 20a of the filling-up member 20 are engaged, are formed in inner surface portions opposite to each other of the cut-off portion 9d in the boot 9. Engaging grooves 2f are formed in the boot 9 in the inner surface portions opposite to each other of the cut-off portion, with which nails 20c or elastic nails 20d are engaged.

Abstract: In a spiral cable reel including a stator member, a rotor member rotatable with respect to the stator member, and a stopper, the stopper body has protrusions at its one end which are engageable with and disengageable from engaging holes which are formed in the protruded portion of the rotor member, and locking members which are engageable with and disengageable from bosses of the stator member. The stopper stops the relative rotation between the rotor member and the stator member, and correctly determines the positional relationship between the stator member and the rotor member, and maintains it unchanged during the installation of the spiral cable reel onto equipment.

Abstract: An electromagnetic relay in which an iron core 2 is fixed to a yoke 3, and one end of the yoke 3 is fixed by press-fitting to a base 4. The base 4 is formed with a yoke-receiving groove 4b into which tongue pieces 3e, 3e at one end of the yoke 3 are press-fitted, and a cutout groove 4c into which a head portion 2c of the iron core 2 is received. The yoke 3 is formed with a seal projection 3f disposed by insertion in an opening end of a cutout groove 4c of the base 4. This construction of the electromagnetic relay eliminates poor operation by preventing metal chips produced during assembly from adhering to electrical contacts of the relay.

Abstract: A lever switch that includes a manipulation lever 5 supported pivotably around a shaft in a case 18, first, second and third movable pieces 17, 25, 26 carrying movable contacts 30, 32, 34 moved by pivoting manipulation of the manipulation lever 5; and a pole plate 27 having a plate surface 27a with fixed contact plates 35a on which the movable pieces 17, 25, 26 are slid. The case 18 includes a partition 18c, and sliding grooves 18a are formed on a lower surface of the partition 18c in a direction in which the second movable piece 25 is moved. Guide arms 25b engaged with the sliding grooves 18a are formed on the second movable piece 25. Instability preventing protrusions 25d, which are in sliding contact with inner walls of each of the sliding grooves 18a, are formed on each of the guide arms 25b.