Takata Kojyo Co., Ltd.

Takezo Takada

An inertia locking safety belt take-up reel comprises a U-shaped bracket and a rotatable reel including side ratchet wheels and journalled between the bracket side walls. A rockable cross piece including pawl projections is supported between the side walls for movement into engagement with the ratchet wheels and is spring biased out of engagement. A clutch wheel is rotatable with the reel and frictionally rotatably supports a cooperating clutch annulus, the two clutch members pivotally engaging a pawl so that their relative rotation attendant to a rapid acceleration of the reel swings the pawl into engagement with a second ratchet wheel to rock the latter, which in turn rocks the cross piece through an interconnecting crank arm, to lock the reel ratchet wheels by the associated pawls. An alarm control gear is driven by a pinion rotatable with the reel.

Inertia locked safety belt take-up reel

A vehicle safety belt system includes a spring rewind belt retractor reel provided with a solenoid actuated brake and a network controlled by an inertia switch to brake the reel by the energization or deenergization of the solenoid and to maintain the reel in a braked condition an adjustable time interval following the deactuation of the inertia switch. The network includes a solid state Darlington switch having across its input a memory capacitor which is charged by the actuation of the inertia switch and a relay across its output which controls the brake solenoid.

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Hikone, Japan

Takezo Takada