Brakes – Elements – Brake wheels
Reexamination Certificate
2005-12-06
2005-12-06
Graham, Matthew C. (Department: 3683)
Brakes
Elements
Brake wheels
C188S21800R, C188S071100
Reexamination Certificate
active
06971490
ABSTRACT:
A brake structure of a vehicle having a brake abrasion surface applied onto a braking device such as a brake disk, a brake drum case, a clutch housing of a stepless transmission clutch, and a clutch disk of a step transmission clutch. The brake abrasion surface has a plurality of equidistantly spaced crescent-shaped grooves whose number is variably changed depending on the application thereof in practical use. The crescent-shaped grooves thereof are partially overlapped in their ends to form a plurality of symmetrically intersecting points at the brake abrasion surface thereon. In braking operation, lining plates of the braking device are in abrasion engagement with the brake abrasion surface.
REFERENCES:
patent: 5101953 (1992-04-01), Payvar
patent: 5474161 (1995-12-01), Eaton et al.
patent: 6186293 (2001-02-01), Beer et al.
patent: 6279698 (2001-08-01), Oberti
Graham Matthew C.
Troxell Law Office PLLC
LandOfFree
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