Ogura Clutch Company, Ltd.

Yasuo Yokoyama

Toshiaki Akashi

Takashi Ishimaru

Terasu Takata

Makoto Hangai

A tension device for winding yarn includes a bracket with an inclined face and a braking member accommodated in the bracket. A rotary shaft protrudes from the center of the bracket. A tubular member has a through-hole for the rotary shaft. A forward guide member includes two hub members mounted on the axial end of the rotary shaft with a yarn winding portion joining the hub members.

Magnetic noncontacting tension device for winding yarn

A compact, inexpensive electromagnetic spring clutch includes forming supporting bearing surfaces made of synthetic resin rotary members, in a magnetic excitor. Cylindrical magnetic pole parts are formed in the first core and second core and the inner surfaces of these magnetic pole parts are made into bearing surfaces.

Electromagnetic spring clutch with non-magnetic rotating members

An axially displaceable brake element is arranged in facing relation to an operating element which is pivotable through a predetermined circumferential angle, with clutch balls engaged in grooves having slanted bottoms and formed in mutually facing side surfaces of the brake element and the operating element. Pivoting of the operating element causes displacement of the brake element relative to the operating element. A friction plate is spline-fitted on an output hub so as to be displaced only in the axial directions and arranged selectively for frictional contact with the brake element or the operating element. Displacement of the brake element toward the operating element causes frictional engagement of the friction plate with an input hub to obtain engagement of the clutch, while displacement of the brake element away from the operating element causes frictional engagement of the friction plate with the brake element to obtain disengagement of the clutch and braking of the output hub.

Growing community of inventors

Kiryu, Japan

Yasuo Yokoyama