The Furukawa Electric Co., Ltd.

Furukawa Automotive Systems Inc.

Tomoki Kawamura

Koji Yamanaka

Yukihiro Kawamura

Takashi Tonoike

Tsuneo Aoi

Yasushi Kihara

Hirofumi Utsunomiya

Masatoshi Ushiyama

Kyutaro Abe

Rodrigo Kendy Yamashita

Hiroshi Orito

The present invention provides a rotary connector device that enables relative rotation between the rotator and the stator to be easily and reliably fixed at a neutral position even when a steering device is disengaged. A rotary connector device () according to the present invention is provided with: a self-rotation pin () that is self-rotatable with respect to a sleeve () and that is provided with a pin-side notch () that restricts the self-rotation by coming into contact with an inner circumferential surface of a stator-side inner-circumferential cylindrical portion (); a stationary-side gear () and a self-rotation-side gear () that transmit the relative rotation and the self-rotation in an interlocked manner; and a stationary-side switching mechanism () and a pin protrusion () that switch, in a neutral position, the self-rotation pin () from a released state to a restricted state.

Rotary connector device

A conductor wire crimping portion () has depressions () that are disposed at prescribed intervals in the axial direction and that are linear locking portions. The depressions () are continuously depressed grooves on the inner surface of a crimping portion (). On an upper die (), at a portion corresponding to the conductor wire crimping portion (), a straight portion is formed, and in the front-back direction thereof, tapered portions are formed. More specifically, the upper die () is formed to have an inverted trapezoid shape, a middle portion of which protrudes in the crimping direction. Consequently, at each boundary between the straight portion and the tapered portion, a die angled portion () is formed. At an area corresponding to the straight portion of the upper die (), the depression () is provided, and at an area corresponding to the die angled section (), the depression () is provided.

Terminal, wire harness, terminal and coated conductor wire connection method, and wire harness structure

Growing community of inventors

Tokyo, Japan

Tomoki Kawamura