Abstract: A connector fitting construction in which a half-fitted condition is positively prevented when fitting a pair of female and male connectors together, and a connector-inserting force, required for the fitting operation, can be reduced. In this connector fitting construction, one of the two connectors has a slider receiving portion (4), formed by an exclusive-use housing (3b), and has a lock arm (6) on which a lock beak (7), having a slanting surface, is formed. A slider (10) has a pair of abutment projections (14) formed on a lower surface of a slider body (11), and a slide groove (13). The abutment projections (14) can be received respectively in side spaces (4a) provided respectively at opposite sides of the lock arm (6) within the slider receiving portion (4). The lock beak (7) can be fitted in the slide groove (13).

Abstract: A connector with a holder prevented from coming-off is provided, whereby an unexpected breakaway of the holder can be securely prevented from occurring and an incomplete assembly of the holder with the connector housing can be securely detected. The connector with a holder prevented from coming-off includes: a connector housing 2; a holder 6 mounted on a surface of the connector housing 2; a spacer 7 inserted into the middle of the connector housing 2 from a direction crossing at right angles with the mounting direction of the holder 6; a locking member 32 protrudingly formed to the holder 6; a locking part 41 for locking formed to the locking member 32; and an engaging part 51 for engaging with the locking part 41 formed to the spacer 7, wherein the engaging part 51 engages with the locking part 41 when the holder 6 is completely mounted.

Abstract: A connector housing includes a plurality of terminal chambers into for respectively accommodating a terminal provided with an electric wire. A mat-shaped rubber plug is attached to a rear end portion of the connector housing. In the rubber plug, recessed portions are formed so as to remain cylindrical protrusions each having a through hole through which the electric wire is inserted. A rear holder is attached to the rear end portion of the connector housing to retain the rubber plug thereat. The rear holder includes projections each configured so as to compress the associated protrusion of the rubber plug in the diameter direction of the electric wire as being inserted into the associated recessed portion of the rubber plug. The rubber plug includes at least one protrusion block formed by integrating adjacent cylindrical protrusions.

Abstract: A connector housing includes a plurality of terminal chambers into for respectively accommodating a terminal provided with an electric wire. A mat-shaped rubber plug is attached to a rear end portion of the connector housing. In the rubber plug, recessed portions are formed so as to remain cylindrical protrusions each having a through hole through which the electric wire is inserted. A rear holder is attached to the rear end portion of the connector housing to retain the rubber plug thereat. The rear holder includes projections each configured so as to compress the associated protrusion of the rubber plug in the diameter direction of the electric wire as being inserted into the associated recessed portion of the rubber plug. The rubber plug includes at least one protrusion block formed by integrating adjacent cylindrical protrusions.

Abstract: In a waterproof connector M in which a waterproof seal member 60 is held between a connector housing 30 and a rear holder 70, and an electric wire seal portion closely attached to an outer periphery of an electric wire so as to seal between the electric wire and the connector housing 30 and a connector seal portion 60B for sealing between both of the connector housings at a time of fitting to an opposing connector housing are integrally formed in the waterproof seal member 60, wherein the connector seal portion 60B is provided on an outer peripheral surface of the rear holder 70 in an exposed manner so as to be closely attached to an inner periphery of a hood portion of the opposing connector housing at a time of fitting the connector housing 30 to the opposing connector housing.

Abstract: An electronic circuit device 21 consists of a connector 23 provided with guide projections 45, a circuit board 24 on which the connector 23 is mounted, and a case 22 provided with guide recesses 36. Since the guide recesses 36 are broader in width at the end portions of the side walls of the case 22, and the guide projections 45 are narrower in width at the side where the connector 23 is first inserted, no high positional accuracy is required when the connector is received in the case. Both the guide recesses 36 and the guide projections 45 include inclined faces 37, 37, 47, 47 to form a V-shape.

Abstract: A connector with a holder prevented from coming-off is provided, whereby an unexpected breakaway of the holder can be securely prevented from occurring and an incomplete assembly of the holder with the connector housing can be securely detected. The connector with a holder prevented from coming-off includes: a connector housing 2; a holder 6 mounted on a surface of the connector housing 2; a spacer 7 inserted into the middle of the connector housing 2 from a direction crossing at right angles with the mounting direction of the holder 6; a locking member 32 protrudingly formed to the holder 6; a locking part 41 for locking formed to the locking member 32; and an engaging part 51 for engaging with the locking part 41 formed to the spacer 7, wherein the for engaging part 51 engages with the locking part 41 when the holder 6 is completely mounted.

Abstract: A waterproof structure of a connector in which a first connector F is attached to a casing 60 via a first waterproof seal 48, and a second connector M is engaged with the first connector F via a second waterproof seal 47. The first waterproof seal 48 for sealing between the first connector 48 and the casing 60 and the second waterproof seal 47 for sealing between the second connector M and the first connector F are integrated with each other on a single waterproof sealer 40.

Abstract: A rotor for an ABS wheel speed sensor which is capable of improving the yield of a material and a work effectiveness at assembly. The rotor 1 includes a ring-like rotor body 3 having a number of holes 2 arranged successively at an equal pitch, and an inner ring 4 having a C-shaped cross section and having, at at least one of its axial end portions, a flange section 6 bent and protruding outwardly. The inner ring is fitted in the interior of the rotor body 3. For coupling the inner ring 4 into the rotor body 3, the inner ring 4 is elastically deformed in diameter-reducing directions. In addition, the inner circumferential surface of the inner ring 4 is fitted onto a mating rotary shaft from the flange section side under pressure.

Abstract: One of a pair of mating electrical connectors A, B has a cam groove 2 and a coupling lever C pivotally attached to the one connector. The coupling lever C has an operation portion 3 provided with a locking engagement portion 4 and a pair of lock-guiding portions 11 positioned at opposite sides of the locking engagement portion 4. The other one of the connectors has a driving pin 5 for advancing into the cam groove 2 and a lock portion 7. When the pair of connectors A, B engage with each other by operating the coupling lever C, the locking engagement portion 4 slidably engages the lock portion 7 so that the center line of the locking engagement portion 4 is urged toward the center line of the lock portion 7.

Abstract: A retaining lever is pivotally mounted on a female connector housing, and sliding grooves are formed respectively in opposite sides of the retaining lever. Guide projections, formed respectively on opposite sides of a male connector, are received in the sliding grooves, respectively, and then the retaining lever is pivotally moved to fit the two connectors together in a retained manner. Flanged projections are formed respectively on those portions of the opposite sides of the retaining lever through which a pivot axis passes. The flanged projection has a pillar-like support shaft portion, a flange formed at a distal end of the support shaft portion, and a protuberance.

Abstract: A connector-coupling lever is mounted to the corresponding connector housing according to the following steps. The windings of a spring engage with a supporting shaft extending from a side wall of a connector housing, and one end of the spring is fixed to a locking portion of the side wall. The other end of the spring engages with a provisional locking channel by way of an insertion channel, wherein both the insertion channel elongated along the side wall of the connector housing and the provisional locking channel extending in the direction away from the side wall are provided in a provisional locking portion attached to the connector housing. A bearing hole formed in a side arm of the connector-coupling lever engages with the supporting shaft.

Abstract: A female connector and a male connector engageable with each other are paired. Fixing shafts are projected from both lateral sides of the male connector. The female connector has a retaining lever being pivotable about pivots arranged on both lateral sides thereof. Rail portions are arranged on a front surface of the lever, each rail portion having a predetermined surface of curvature. When the male connector is inserted into the female connector, shaft portions of the fixing shafts are abutted against the rail portions and bias the rail portions, so that the surfaces of curvature produce resisting forces, each having a component for pivoting they lever.

Abstract: A lever-type connector in which the need for a resilient member is obviated, thereby saving cost, and including engagement portions are less liable to damage or to deterioration due to aging when a large impact force is accidentally applied, this impact force can be effectively relieved, thereby preventing damage to the engagement portions. The lever-type connector includes a pair of female and male connectors. Engagement shafts are formed on the male connector, and a retaining lever, having fitting grooves, is mounted on the female connector for pivotal movement about support shafts. When the retaining lever is pivotally moved, the engagement shafts are forcibly moved through the fitting grooves, thereby fitting the male connector into the female connector.

Abstract: The object of the invention is to allow a fitting operation lever to be set to an initial position with respect to a connector without particularly using a separate member such as a spring, the initial position being such a position as to allow driven pins of a mating connector to be received smoothly. The connector being made of a synthetic resin and having in a housing body thereof guide notches that receive the driven pins of the mating connector; and a fitting operation lever being made of the synthetic resin, the fitting operation lever having drive cam grooves corresponding to the driven pins and being pivotably disposed on the connector. An engagement portion disposed on the fitting operation lever is disposed so as to be releasable from an initial position setting lock portion disposed on the connector.

Abstract: A pair of connectors with an engaging lever comprising: a first housing having an engaging lever pivotally attached thereto; a second housing which is coupled and uncoupled to the first housing by being engaged by with the engaging lever; wherein the engaging lever is composed of an operative piece and an actuating handle which are separately formed, connecting portions being provided on each of the operative piece and the actuating handle for connecting with each other, and the connecting portions being connected to form the combined engaging lever. Engaging levers having the same operative piece in structure or size and having a modified actuating handle only in length can be applied to various connector housings differing in lateral width.

Abstract: A connector housing coupling mechanism includes an engaging projection which is formed on a side face of one of female and male connector housings, and an operating lever which is rotatably supported on a side face of the other one of the female and male connector housings, the operating lever including a cam groove which receives and guides the engaging projection depending on a rotation position of the operating lever, an innermost portion of the cam groove being closer to a rotation center of the operating lever than an entrance of the cam groove, the female and male connector housings being coupled with and uncoupled from each other by rotating the operating lever.

Abstract: To provide a lever-type connector which is low in cost, and facilitates an operation of confirming an incompletely-fitted condition of the connector. Fixed shafts are formed on a male connector to be fitted in a female connector, and a retaining lever is mounted on the female connector for pivotal movement about pivot shafts formed respectively on opposite sides thereof, and spring engagement protections are formed respectively on the opposite sides of the female connector. Retaining grooves each having a play region are formed in a front portion of the retaining lever, and leaf springs are provided at a rear side of the retaining lever. When the retaining lever is pivotally moved, with the fixed shafts received respectively in the retaining grooves, the leaf springs respectively engage the spring engagement projections to be resiliently deformed, so that the fixed shafts are moved toward the play regions, respectively, and as a result the retaining lever is inclined in a conspicuous manner.

Abstract: The object of the present invention is to provide a coupling equipment for connecting a pair of connectors which is capable of performing a perfect and sure coupling of the connectors by using a tow-step locking structure with a substantially low insertion force, yet capable of actively eliminating an imperfect preliminary connection of the connectors.

Abstract: A lever fitting-type connector includes a lever returning spring having a connector-side engagement lever and a lever-side engagement lever which extend from a coil portion, a connector housing including a shaft portion and one spring end engagement portion which are formed on an outer wall surface thereof, and the one spring end engagement portion engaged with the connector-side engagement lever; and a U-shaped lever having an engagement hole for the shaft portion and the other spring end engagement portion which is engaged with the lever side coil portion.