DE29616883U1 - Bicycle rim covering - Google Patents

Description

Bicycle rim sheet 3 Maria Buttenmüller

Description

Bicycle rim for bicycles with rim brakes with an additional brake pad.

State of the art

In some cases, bicycle rims of bicycles with rim brakes have a specially treated, possibly hardened or colored surface.

problem

The invention specified in claims 1 to 6 is based on the problem of protecting the actual rim surface from abrasion during braking by applying an additional and renewable coating of as little weight as possible in order to avoid dangerous rim breakages caused by the drive and, if necessary, also improving the braking behavior, particularly in wet conditions, by selecting a special material.

invention

This problem is solved by the measures of claims 1 to 6.

Further developments of the invention

An advantageous embodiment of the invention is that the ring-shaped discs can be subsequently applied to bicycle rims by fixing them to the rim flanks with a heat-resistant adhesive.

Over time, the ring-shaped discs are worn down by the abrasion caused by braking, and the rim flanks underneath become visible. Before the rim flank itself is damaged by abrasion, a new disc can be glued on after appropriate pre-treatment if necessary.

Bicycle rim sheet 4 Maria Buttenmüller Description of the invention

An embodiment of the invention is explained with reference to Figures 1 to 5.
Show it:

Fig. 1 is a perspective view of a bicycle rim (λ) with two annular disks (2 _t S) which are fastened to the rim flanks (4,S").

Fig. 2 in cross section. a rim ( �Lgr; ) with the annular discs (2.,ü) between the rim flanks (H,?) and the brake blocks (£·■?■),

Fig. 3 shows a cross-section of a bicycle rim (Oacgr;) in which the rim flanks (Sit) have a recess (*&iacgr;&bgr;) into which the annular disk (*·&igr;3) is fitted with a precise fit.

Fig. 4 shows a cross-section of a bicycle rim (λ) in which the rim flank (Wf?) has a ridge (λ,η) against which the annular disk (z.2) abuts.

Fig. 5 shows a cross-section of a design of an annular disk (2.) which is constructed from several layers (-ta.).

Claims (6)

Bicycle rim sheet 1 Maria Buttenmüller Protection claims 1. Wheel rim of a wheel, in particular the front and/or rear wheel of a two-wheeler, characterized in that that on both sides of the wheel rim (-λ) there is an annular disk (ii?) concentrically 2SJLr the wheel axle, the outer diameter (-λ) of which essentially corresponds to the outer diameter (η) of the wheel rim and which is firmly connected to the rim flank (^S"). 2. Wheel rim according to claim 1,
characterized, that during braking a brake pad (6»T) on each side of the rim is pressed against the rim flank (HS) , with the annular disk (2(3) located between the brake pad and the rim flank. 3. Wheel rim according to at least one of claims 1 and 2, characterized in that one or both rim flanks (^ ₁ S") have a recess (S,3) concentric with the wheel axis into which the three annular disk ( ² ^) can be fitted with precision. 4. Wheel rim according to at least one of claims 1 to 3, characterized in that one or both rim flanks (HiS") have a ridge (&lgr;&ogr;,&lgr;&agr;) concentric to the wheel axis on their inner circumference against which the annular disk (2.»2) abuts with its inner edge in a precise fit. Bicycle rim sheet 2 Maria Buttenmüller Protection claims 5. Wheel rim according to one of the preceding claims 1 to 4, characterized, that the annular disc consists of one or more materials. 6. Wheel rim according to one of claims 1 to 5, characterized in that ~" that the ring-shaped disc^is made up of different layersi/of the same or different materials.