Abstract: In order to prevent resin around fixed contacts from being carbonized by an arc produced when a movable contact plate is brought into contact with the fixed contacts and separated therefrom, a sliding switch comprises a terminal plate provided with two fixed contact plates and a movable plate provided with a movable contact plate, which is brought into contact with the fixed contact plates. Each of the fixed contact plates has a fixed contact protruding from the terminal plate. The movable contact plate includes at least a pair of protrusions on both sides thereof.

Abstract: A structure for accommodating an electric apparatus having contacts in an accommodating space formed by joining a welding protrusion of a first member and a joint portion of a second member by ultrasonic welding. A groove is formed between the joint portion and the accommodating space to gather and prevent welding refuse produced by the ultrasonic welding from penetrating into the accommodating structure and sticking to the contacts of the electric apparatus and to concentrate ultrasonic energy to the joint portion. An opening through which the welding refuse flows is also formed outside of the joint portion. The opening has an aperture that increases with increasing distance from the joint portion.

Abstract: A shift knob structure having a press button 5 with an improved pressing operation. In order to prevent a looseness at the press button 5, a knob main body 1 of the shift knob structure is comprised of the press button 5 for use in operating a detent rod 7, and of a press button installing member 4 in which the press button 5 is movable toward or away from the detent rod 7. The press button 5 has a guide projection 5c at its circumferential part. The press button installing member 4 is formed with a guide groove 4g having a first width part 4g1 and a fourth width part 4g4 to which a guide projection 5c is engaged at the inner wall of the cylinder part 4d.

Abstract: A switch mounting structure for fixing integrally, securely and firmly a rotary connector, a switch base, and a bracket mounted to a steering column of a vehicle, by an easy single operation. The switch mounting structure has first frame members 3d having opening portions 3c formed therein provided on a fixing case 3 of a rotary connector 1, and second frame members 7c having opening portions 7b formed therein provided on a bracket 7 of the rotary connector 1. The first frame members 3d are engaged with first elastic engaging portions 5e in first engaging portions 5a provided in a base 5 of a switch 4 by a simple single action. Similarly, the second frame members 7c are engaged with second elastic engaging portions 5h in second engaging portions 5c by a simple single action.

Abstract: A movable member 4 is slidably mounted within a space 3 formed by a first fix member 1 and a second fix member 2 composing a case. The movable member 4 is made of a white type resin, such as polyacetal, and composed of a column-shaped extended section 4a extending frontwardly for being pulled from and inserted into the space 3, a bottom wall 4h and side walls 4d, 4d extending from the extended a section 4a rearwardly, and a rear wall 4p coupled with the bottom wall 4h and the side walls 4d, 4d. The extended section 4a is fixed with a knob 5. The second fix member 2 forms a lamp base 2c loading light sources 9 and 10. A displaying section 5b, such as a display mark and characters, is provided on the knob 5, and a displaying member 15 made of a transparent resin with white color, such as a heat-resistance acrylic, is embedded in the displaying section 5b at the back surface of the knob 5.

Abstract: A shift lever 1 having an improved structure for holding a conductor wire 3 in position during assembly. The conductor wire 3 has one end 31 thereof disposed in a knob 2 of the shift lever 1. The conductor wire 3 is fitted with a terminal 41 to provide an electrical connection to a switch 4. The conductor wire 3 has a base portion 33 extending from a bent portion 32 formed in an intermediate portion toward the other end 34 of the conductor wire 3. The knob 2 has a conductor wire support hole 21 provided along the base portion 33 of the conductor wire 3. The positioning of the base portion 33 of the conductor wire 3 is performed by inserting a part 51 of a forming die 5 into the conductor wire support hole 21 when forming a flesh portion 23 of the shift lever 1. The shift lever 1 according to the invention holds the conductor wire 3 in a normal position for assembly when the conductor wire 3 is fitted with the terminal 41 of the switch 4 to provide an electrical connection.

Abstract: A slide switch apparatus having a movable contact and a movable board arranged to prevent chattering between the movable contact and the movable board, even when the slide switch apparatus is immersed in a high temperature oil. The movable contact can be assembled onto the movable board in a one-touch manner. The movable board (3) has a gap (37), a step portion (32, 33), and an engaging portion (34, 35). The gap extends in a direction perpendicular to a direction of sliding of the movable board (3) so that the movable contact (2) can be inserted thereinto in that perpendicular direction. The step portion (34, 35) has a valley shape in sectional view. The movable contact (2) has a leadframe (26) inserted in the gap (37) of the movable board (3), and a chatter preventive piece (22, 23, 24, 25) engaged with the step portion (32, 33) and the engaging portion (34, 35).

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: An electromagnetic relay structure which includes a bobbin 1 having a coil 5 wound therearound. A coil terminal 6 is electrically connected with an end 5a of the coil 5. A base 4 is insert-formed with a terminal 8, 9. The coil terminal 6 has a first end firmly attached to a flange 1c of the bobbin 1 and a second end connected to the terminal 8, 9. A projecting piece 6a is formed in a generally central portion of the coil terminal 6. The projecting piece 6a is bent with an end 5a of the coil 5 twined therearound, to thereby support the end 5a of the coil 5. Another flange 1a of the bobbin 1 is fixed to the base 4 by fitting a projecting rod 1b of the flange 1a to a fitting groove 4a of the base 4.

Abstract: An electronic flasher system adapted to change an operating sound in dependence on situations surrounding a vehicle when the vehicle changes its direction or lane, so that the driver can grasp the situations surrounding the vehicle by merely listening to such operating sound. The flasher system includes a flasher circuit 21A connected with a sound generator 3 for generating operating sound, and a situation detecting sensor 6 for outputting an output signal in dependence on a running state of the vehicle. The flasher circuit 21A causes a change of the turn-signal operating sound generated by the sound generator 3 in accordance with an obstacle detection signal from an obstacle sensor 61 and a vehicle speed detection signal from a vehicle-speed sensor 62.

Abstract: A combination switch device having a rotating connector (2) containing a spirally wound flexible wire (1), a cancel cam (3) arranged about a central axis of the rotating connector (2), and a combination switch main body (4). The cancel cam (3) is movable in an axial direction between a first position (S) and a second position (R). When the cancel cam (3) moves to the first position (S), a bear (31) of the cancel cam (3) engages with a claw (41) of the combination switch main body (4). At the same time, a convex portion (32) of the cancel cam (3) engages with a concave portion (23) of a rotor attachment (22) attached to a rotor (21), whereby the rotor (21) is held at a neutral position. Thus, the rotating connector can be held at a neutral position without requiring special parts by modifying an existing structure of a combination switch device having a rotating connector.

Abstract: An electronic flasher system in which a first hazard switch is mounted on a combination switch body of a steering column together with a semiconductor switch and a flasher circuit, and a second hazard switch is mounted in a location where a person sitting on a seat other than a driver's seat can operate it. In one embodiment, an electric current detection resistor having a bimetal structure serving also as a sound source is connected to the semiconductor switch for flashing the direction indication lamps. The electric current detection resistor is welded to terminals on a module composed of the semiconductor switch and the flasher circuit, which module is mounted on the combination switch body. A protrusion is formed on the module to produce a striking sound by colliding with the electric current detection resistor.

Abstract: A switch knob 1 having an operation portion 2, a cam system 3, a driving system 4, a steel ball 5, and a spring 6. The cam system 3, which is made of a molded, light transmissive material, is insertion molded into the operation portion 2, which is made of an opaque material. The cam system 3 includes an integral indicator 31 having a projected portion 32. A designated symbol is formed by the projected portion 32, which is exposed through the operation portion 2. Since the cam system 3 attached on the back side of the operation portion is light transmissive, the cam system 3 does not cause any inconsistency in the light at the indication portion. In addition, the number of parts comprising the switch knob 1 are minimized, and it is possible to maintain the quality of the symbols for extended periods.

Abstract: A display apparatus having a single-sided board 1, a display device 2, and terminals 3. The single-sided board 1 has a through-hole 14 formed therein, and conductive tracks 12 and fixed contacts 13 formed on one side 11 thereof. The display device 2 is mounted on the other side 15 of the single-sided board 1. The terminals 21 of the display device 2 extend through respective holes in the single-sided board 1. The terminals 21 project from the one side 11 of the single-sided board 1 and are soldered to the conductive tracks 12. The display surface 22 appears in the through-hole 14. The terminals 3 are mounted on the other side 15 of the single-sided board 1 and first ends 31 of the terminals 3 extend through respective holes in the single-sided board 1 and project from the one side 11 of the single-sided board 1. The terminals 3 are soldered to the conductive tracks 12, and the other ends 32 of the terminals 3 are electrically connected to a circuit on the vehicle side.

Abstract: A knob construction is provided for an operating knob which operates a lighted switch. A recess is formed in a surface of the operating knob and a projection is formed in the recess. A name plate substantially configured to the recess is melted to the projection in the recess by ultrasonic welding.

Abstract: A lever switch apparatus has a lever operable in a plurality of directions, which, when operating the lever in a certain direction, prevents against erroneous operation of a movable board by rendering the movable board immovable in an irrelevant direction of lever operation. The lever switch apparatus has a lever 2 and a movable board 3A. The lever 2 is swingable in a first direction and a second direction about a first axis 21 and a second axis 22, and has an engager 23 on a tip side thereof. The movable board 3A is swingable in a third direction about a third axis 31A, and has an elongate hole 32A extending in the second direction and a contact piece 33A. The engager 23 is engaged with a wall surface 34A of the elongate hole 32A. The elongate hole 32A is formed in a curved form corresponding to a swing path of the engager 23 to prevent erroneous operation of the movable board 3A during movement of the lever 2 in certain directions.

Abstract: An electromagnetic relay, having a core 3 fixed by press-fitting in a yoke 4, which is facilitated in attaching operation and eliminated of the possibility, during press-fitting, of being placed in poor contact by metal chips produced by cutting away the yoke 4 by the core 3. The core 3 is provided with a smaller diameter portion 3c at an end portion and is inserted into a center of a bobbin 1 having a coil 2 wound therearound. A cutout 5 is formed in the yoke 4 so as to receive by press-fitting the smaller diameter portion 3c of the core 3. First slant surfaces 6 are formed in the edge of an opening of the cutout 5 such that the wall thickness becomes thinner toward the opening. Second slant surfaces 7 are provided in the form of curved surfaces at the terminal ends of the first slant surfaces in a manner smoothly continuing to a general surface of the yoke 4 and also to the first slant surfaces 6.

Abstract: A slide switch device adapted to be immersed in automatic transmission oil or the like. A printed circuit board 1 is provided with fixed contacts 11. A guide rail 19 is formed extending in a sectional T-shaped form from a side surface of the printed circuit board 1. A movable board 3 has a movable contact 2 and a pin 5 press-fitted therein. An operating member 4 has an elongate hole 42 for receiving the pin 5, a retaining portion 44 for a slide member 6, and a coupling portion 47 for coupling to a manual valve 9 of an automatic transmission. The retaining portion 44 is formed with a cut-out 45 extending from one side thereof to have an open edge. At the open edge is formed a crimp piece 46 through a connecting portion 49 of a reduced section for retaining the slide member 6.

Abstract: A combination switch has a first switch (3) and a second switch (4) inserted and mounted on the right and left sides of a body (1), respectively. The first switch (1) contains a flasher unit (36) comprising MOS. The flasher unit (36) is disposed in a through hole (27c) formed in a plate (27) of the first switch (3). The lead terminal (36a) of the flasher unit (36) is connected with terminals (35c) by means of clips (37) in the through hole (27c) of the plate (27) and soldered therewith. This construction enables a flasher unit to be disposed in a so-called cassette type combination switch.

Abstract: A bonding construction for bonding a rotary shaft made of a resin material to a lever made of a resin material. The lever is formed with a fitting hole therein into which the rotary shaft is fitted. The rotary shaft has projections formed on its outer surface. The inner surface of the fitting hole of the lever is formed with grooves into which the projections of the rotary shaft are fitted. The rotary shaft and the lever are melted together at their interface between the projections and the grooves by ultrasonic welding.