DE59736C - Rubber tires for bicycles - Google Patents

Description

Pateντ claim:

Rubber tires for bicycles, consisting of individual round rubber pieces lined up on the wheel rim and provided with cavities, which are screwed to the wheel rim by means of clamps (c) inserted into the latter and provided with screw bolts.

1 sheet of drawings.

BERLIN. PRINTED IN THE REICH PRINTING COMPANY.

Claims (1)

IMPERIAL PATENT OFFICE. PATENT LETTERING CLASS 63: Saddlery and wagon construction. Rubber tires for bicycles. Patented in the German Empire on May 28, 1891. The previously used rubber tires for bicycles correspond to the requirements placed on them only in part. These are cemented onto the wheel rim, but still jump while driving when suddenly braking hard or the like out of the same, what happens in the entanglement with the linkage for the driver regularly causes such disastrous head falls, or she occasionally burst if they are not connected very carefully at their ends or are of the best quality Material are. In addition, they become even more expensive than they already are due to the rapid damage caused in individual places on rough, stony ground, whereby always the whole Tire becomes unusable and has to be replaced with a new one, etc. All these inconveniences are to be explained by the present, in Fig. 1 and 2 in length and length Fig. 3 rubber tires shown in cross section are eliminated. It consists of individual round, on the wheel rim b on each other in rows, conical cut, internally hollow rubber pieces a, Fig. I, two of which a clamp C from the visible in FIG. 3 cross-section inserted and by means of bolts d to the rim be screwed. Since all the rubber pieces are a little longer than the outer radius of the wheel would correspond to, if the screws are tightened evenly, the individual rubber pieces are pressed tightly against each other in the longitudinal direction, so that they form a whole, so to speak. The ends of the brackets can be bent downwards, so that one side of the rubber pieces is drawn correspondingly more strongly to the rim than the one in the middle of the bracket at the screw bolt, whereby the two pieces fastened by a bracket form a curved piece ( Fig. 2). In the tire formed in this way, individual areas of damage can be found can be changed easily and cheaply, since the tire is not cemented, and only the relevant one Screw bolts loosened and again accordingly after inserting a new piece needs to be attracted. A bursting or accidental jumping out of the whole tire or parts of it is excluded due to the solid screw connection. The cross-section of the brackets c made of flat iron with inwardly curved edges, adapted to the cavity of the rubber pieces, enables the rubber pieces to be pressed tightly to the rim without significantly reducing the inner air space of the tire or even slightly reducing the latter when driving due to pressure etc. to damage.