Attenuator for disc brake rotor machining tool

Details Attenuator for disc brake rotor machining tool Attenuator for disc brake rotor machining tool

2005-03-15

2005-03-15

Fridie, Jr., Willmon (Department: 3722)

Turning

Portable lathe for brake drum, disc, or shoe

C082S163000, C409S141000

Reexamination Certificate

active

06865972

ABSTRACT:
An improved attenuator for damping vibrations and noise when disc brake rotors are being machined in a machining lathe. The improved attenuator has a handle comprised of a squared end with legs extending at angle of 100° to the squared end toward each other. Damping pads are mounted on the ends of the legs to press against the surfaces of the rotor being machined. The 100° angle of the legs toward each other improves the biasing force against the rotor surfaces. Additionally, the damping pads are provided with a notch that fits around and over the tips of cutting bits of the machining lathe to securely hold the pressure pads in place. Another improvement includes a fastening strap attached to the squared end of the handle that wraps around a biasing spring and the carriage on the machining lathe to securely hold and maintain the position of the attenuator.

REFERENCES:
patent: 4531434 (1985-07-01), Vasquez
patent: 6227085 (2001-05-01), Vasquez, Jr.
patent: 6591720 (2003-07-01), Greenwald et al.

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