Yazaki Corporation

Nissan Motor Company Limited

Ntn Corporation

Aisin Aw Co., Ltd.

Masayuki Yamamoto

Shigeo Ishizuka

Katsutoshi Kuzuno

Takayoshi Endo

Shigemitsu Inaba

Kazuaki Sakurai

Yuji Hatagishi

Akihiro Tsuruta

Toshiro Maejima

Yasuhiro Sasaki

Takashi Ishii

Tamio Watanabe

Toru Nagano

Naokazu Nagasaka

Kenji Takahashi

Teruo Kato

Tohru Kurosawa

Masataka Nagayama

Satoru Murofushi

Shoichi Watai

Yusuke Hinoda

Takeo Kohata

Tsuyoshi Yagi

Toshio Tagaki

Kazuo Nagase

A connector includes a housing; and an annular packing to be sandwiched between the housing and a mating component. The packing has: an annular seal portion protruding toward a radially outer side, and an annular depressed portion located on a surface of the seal portion on the radially inner side and depressed toward the radially outer side. An edge of the depressed portion is positioned on one side with respect to a protruding end of the seal portion. When the housing and the mating component are fitted to each other, the protruding end of the seal portion is in contact with the mating component, the edges of the depressed portion are in contact with the housing, and the end portion is displaced in a direction away from the housing to warp with a vicinity of the edge on the one side as a center.

Connector including packing having annular seal portion and annular depressed portion

A connector includes a housing in which a terminal fitting is stored, and a cover. A guiding structure configured to guide the housing and the cover in a connection direction, and a holding structure configured to hold the housing and the cover at a connection completed position are provided between the housing and the cover. The guiding structure includes a wedge guiding protrusion provided to the cover, and a wedge guiding groove provided to the housing. The wedge guiding protrusion and the wedge guiding groove are formed to have a gap between a protrusion-side wall surface and a groove-side wall surface disposed opposite to each other in each of two pairs. The holding structure includes a press-fit protrusion being configured to hold the wedge guiding protrusion and the wedge guiding groove in a press-fitted state when the housing and the cover are at the connection completed position.

Connector including guiding structure between cover and housing

A connector unit including a connector and a connector cover. Locking protrusions are provided at one end of the connector, and locking holes are provided in an upper wall and a bottom wall of the connector cover. Notch parts capable of receiving the electric wire are provided at any one end of both ends of the upper wall and both ends of the bottom wall corresponding to both opening ends of the hollow space surrounded by the connector, the upper wall, the bottom wall, and side walls.

Connector unit including connector cover having notch parts

Provided is a chuck structure, which is configured to chuck an annular workpiece from a radially outer side of the workpiece. The chuck structure includes: leaf spring members arranged at a predetermined pitch along a circumferential direction of the chuck structure so as to be symmetrical with respect to a mechanism center axis; chuck claw members mounted to distal ends of the leaf spring members, respectively; and a pressing force applying mechanism configured to apply a force of pressing the leaf spring members radially inward, to thereby elastically press the chuck claw members onto a radially outer surface of the workpiece.

Chuck structure

A connector is provided with a connecting terminal, a connecting housing, and a front holder. The connecting housing includes a connecting terminal storing chamber, and a lance which is elastically deformable in order to store the connecting terminal into the terminal storing chamber and which is engageable with the connecting terminal in order to prevent the connecting terminal from removing when recovered from an elastic deformation. The front holder is supported to be movable to back and forth along the insertion direction and locked on a front end of the terminal storing chamber. The front holder is moved in the opposite direction to the insertion direction to be actually locked by pressure in a state that the front holder is temporarily locked and contacted with the connecting terminal to hold in a state that the front holder is actually locked.

Electrical connector with attitude maintaining structure

A screw connector is manufactured with an injection metal mold. The screw connector includes a connector main body and a nut embedded in the connector main body. An axis of the nut extends in a forward and backward direction of the connector main body. The screw connector further includes a first opening located on a front side of the nut for receiving by a bolt of a mating connector and a first columnar space located on a rear side of the nut for receiving a distal end portion of the bolt. The method includes three steps. The first step is setting the metal mold in such a state that the nut is held by a front projection portion and a rear projection portion. This front projection portion projects rearwardly and has a small diameter portion and a portion having larger diameter than said small diameter portion. This rear projection portion projects forwardly so as to be in contact with a rear end face of said nut. The second step is injecting a melted resin in said metal mold. The third step is separating a resin molded product from said metal mold.

Method of manufacturing a screw connector

A lock releasing mechanism of a connector in which connector terminals are received in terminal receiving chambers respectively in a manner that tongue pieces of the connector terminals are in opposition to each other, and a wiring groove is provided in the outside of the terminal receiving chambers so that all of electric wires connected to the connector terminals are laid in the same direction, whereby the connector terminals can be made the same with each other in configuration to thereby reduce the cost. Further, by pushing a single lock releasing member, lock releasing levers are moved to thereby simultaneously urge the tongue pieces of the connector terminals in opposition to each other to release the connector terminals in a lump from locking with partner-side connection terminals, whereby the workability in maintenance can be improved.

Lock releasing mechanism of a connector

A connector fastening mechanism is a mechanism which fastens a male connector to a female connector fittable with the male connector by means of a bolt. In the connector fastening mechanism, two or more projection portions are provided on the outer surface of a housing extending in the longitudinal direction of the male connector, engaging projection portions are provided in the two longitudinal end portions of the male connector, and securing portions corresponding to the projection portions and elastic arm portions elastically contactable with the engaging projection portions for pressing against the male connector in a direction to part it away from the female connector are provided in a U-shaped housing of the female connector.

Connector fastening mechanism

A plurality of kinds of multi-pole sub-connectors are provided with retaining means for retaining them on a frame, and provisionally-retaining projections. If an erroneous insertion is not encountered, the multi-pole sub-connectors are fitted in the frame, and are retained relative thereto, and thus are integrally connected together to provide a first connector. A second connector (i.e., a mating connector) to be connected to this first connector is provided with provisionally-retaining arms each of which forces a corresponding one of the multi-pole sub-connectors from the frame if this corresponding sub-connector is incompletely retained on the frame.

Divided-type multi-pole connector

The present invention is a method of manufacturing a screw connector by an injection metal mold. The screw connector includes a connector main body and a nut embedded in the connector main body. An axis of the nut extends in a forward and backward direction of the connector main body. The screw connector further includes a first opening located on a front side of the nut to be inserted by a bolt of a mating connector and a first columnar space located on a rear side of the nut to receive a distal end portion of the bolt. The method includes the three steps. The first step is setting said metal mold in such a state that said nut is held by a front projection portion and a rear projection portion. This front projection portion projects rearwardly and having a small diameter portion and a portion having larger diameter than said small diameter portion. This rear projection portion projects forwardly to be in contact with a rear end face of said nut. The second step is injecting a melted resin in said metal mold. The third step is separating a resin molded product from said metal mold.

Screw connector

Disclosed is a connector assembly with an association indicator. The association indicator comprises: an indicator opening provided on the female connector housing; a movable member having an indicator member and being movably arranged inside the female connector housing; moving means for moving the movable member according to insertion of the male connector housing into the female connector housing; guide means for guiding the indicator member to the indicator opening according as the movable member is moved in such a manner that the indicator member appears in the indicator opening only when said pair of electrical terminals are associated; and prevention means for preventing the indicator member from being excessively inserted into the indicator opening to pass a predetermined position in the indicator opening, when excessive force such as to force the indicator member to pass the predetermined position is exerted on the indicator member by insertion of the male connector housing.

Connector assembly with association indicator

The present divisional multi-polar connector is free from difficulties caused by uneven end portions of the male connector housings, such as deformation of the connector, entanglement of the wire harness or the like with the connector during transportation, or damage to the terminals. In a divisional multi-polar connector in which plural kinds of male connector housings are protruded from a first frame, the front end of the first frame has recesses so that the engaging surfaces of the end portions of the male connector housings are made flush with each other. When a male connector housing is not present, a dummy housing is provided, so that all the points on the overall engaging surface of the connector are co-planar.

Divisional multi-pole connector

An electrical connector includes a housing having terminal chambers, terminals which are inserted into the chambers, and a terminal engagement holder provided with a locking anchor for an engagement portion of the housing in order to be assembled with the housing by two-steps of manipulation, which are a step of tentatively engaging the holder with the housing, and the other step of thereafter engaging the holder with the housing on a full scale. The locking anchor functions to urge the holder toward the housing while the holder is in the full-scale engagement with the rear portion of the housing, so that the holder can be surely engaged with the housing on the full scale even if the rear end of each of the terminals is located slightly behind a prescribed position.

Electrical connector

A wire cover is for use in guiding and collecting a plurality of wires at one end thereof. The plurality of wires extend from a second connector connected to a first connector. The second connector is connected to the first connector through a clamping bolt. The second connector has a pillar-like supporting member where the clamping bolt is threadedly mounted. The wire cover has a base and a pair of side walls extending from the base. Engaging members are formed on the side walls for engaging with the second connector. A projecting wall is projected from the base. The projecting wall has a body portion and a tip portion. The body portion is larger in width than the pillar-like supporting member. The tip portion is tapered in shape.

Growing community of inventors

Shizuoka, Japan

Masayuki Yamamoto