Brake device for motor vehicle seat
AssigneeTf-Metal Co., Ltd.
InventorTakaya KANAZAWA
Life of this patent
Estimating the term…
Abstract
A brake device for a motor vehicle seat is composed of a brake assembly, a tooth assembly, and a lever assembly. The brake assembly includes a housing, a pinion shaft, a braking component, and a drive wheel that are structured to be self-held in an assembled state by mechanical interaction thereamong. The tooth assembly includes a holder plate and a tooth plate that are structured to be self-held in an assembled state by mechanical interaction therebetween. The lever assembly includes an input lever, a cover, a coil spring, and a lever bracket that are structured to be self-held in an assembled state by mechanical interaction thereamong. The brake assembly, the tooth assembly, and the lever assembly are arranged and assembled together in an axial direction.
Claims5
A brake device for a motor vehicle seat, comprising:
- a brake assembly including a housing, a pinion shaft, a braking component, and a drive wheel that are structured to be self-held in an assembled state by mechanical interaction thereamong;
- a tooth assembly including a holder plate and a tooth plate that are structured to be self-held in an assembled state by mechanical interaction therebetween;
- and
- a lever assembly including an input lever, a cover, a coil spring, and a lever bracket that are structured to be self-held in an assembled state by mechanical interaction thereamong, wherein the brake assembly, the tooth assembly, and the lever assembly are arranged and assembled together in an axial direction;
- wherein:
- the brake assembly is structured as a braking section to resist an external torque inputted through the pinion shaft;
- the tooth assembly and the lever assembly are structured as an operating section to operate the pinion shaft;
- the pinion shaft extends through the drive wheel, the holder plate, and the input lever, and is supported rotatably with respect to the holder plate and the input lever;
- the braking component and the drive wheel are mounted in the housing;
- the drive wheel is structured to rotate along with the pinion shaft, and includes an internal tooth part;
- the holder plate is structured to frictionally resist rotation of the drive wheel, and includes a first support part;
- the tooth plate is rotatably supported by the first support part of the holder plate, and includes a pair of external tooth parts each of which is structured to engage with the internal tooth part of the drive wheel;
- the input lever includes a second support part structured to engage with the tooth plate, wherein the second support part is offset from the first support part of the holder plate;
- the cover is coupled with the housing to contain the holder plate, the tooth plate, and the input lever;
- the coil spring is structured to bias the input lever toward a neutral position;
- and
- the lever bracket is disposed outside the cover, and coupled with the input lever.
Dependencies are inferred from the claim text.