Light metal wheel rim apparatus
AssigneeBBS Kraftfahrzeugtechnik AG
InventorMartin Braungart
Life of this patent
Estimating the term…
Abstract
A light metal wheel rim apparatus is provided with an increased wheel disk area in proportion to the overall diameter of the rim. The light metal wheel rim is constructed of at least two component parts. A first component part includes an inner rim flange and rim ring. A second component part includes a wheel disk portion, upon which a design may be configured, and an outer rim flange. The first and second component parts are joined in a manner which maximizes the area of the wheel disc relative to the overall dimensions of the light metal wheel rim.
Claims12
A light metal wheel rim for tubeless tires, of the kind having at least two component parts, a first component part including an internal rim flange, a first corner region configured as a seat for an internal bead of a corresponding tubeless tire, a rim ring portion, and a wheel disk portion including an external annular surface, and a second component part including a bowl-shaped external rim bed having an external rim flange and encircling a second corner region configured as a seat for an external bead of a corresponding tire, which bowl-shaped external rim bed substantially forms an extension of said rim ring portion as well as said wheel disk portion, said bowl-shaped external rim bed including an internal annular flange having a plurality of circumferentially arranged fastener holes extending therethrough;
- said first and second componet parts being affixed to each other, with said external annular surface of said wheel disk portion juxtaposed to said internal annular flange of said bowl-shaped external rim bed, and held by a plurality of bolts extending through said fastener holes, said light metal wheel rim for tubeless tires comprising:
- a ridge, extending circumferentially around said first component part, and extending radially outwardly from a region of transition between said wheel disk portion and aid rim ring portion, said ridge having said external annular surface arranged thereon, said ridge further having a width configured to accommodate, in their entirety, the lengths of said bolts extending through said fastener holes;
- a radially outward crest of said ridge extending along a radius at least equal to an inner radius of said external bead of said corresponding tire;
- said plurality of bolts having arranged along a radius positioned immediately radially inward of said second corner region of said second component part;
- and
- said ridge having an internal radius positioned immediately inward of said radius of said plurality of bolts.
Dependencies are inferred from the claim text.