Bicycle - suspension with continuously variable spring travel, and an adaptable spring characteristic with 3 - chamber - air system

摘要

Air sprung bicycle - telescopic fork ( and ) according to the principle of the double acting air cylinder (9) with a hollow piston rod (3) and located therein is actuating rod (4) for the plunger (6), with which the first two chambers (14a and 14b) of the working air cylinder (9) for pressure equalization and relative to the work air cylinder (9) a steplessly adjustable position of the working piston (7) can be connected, as well as a valve (13) at the upper end of the piston rod (3), by means of which a filling of the work air cylinder (9) is made possible, and a is firmly connected to the dropout (12) at the lower end of said air cylinder characterized in that, in the work air cylinder (9), in the region of the positive spring travel (14b) a simply operating progression chamber (10) is disposed, whose against the cylinder wall (9) a sealed a rodless progression piston (8) by means of a cable (16) with the bottom of the air cylinder (9), which by means of the precipitated (12) or a progression chamber bottom (17) is formed, is connected so that the progression chamber (10) via a valve (18) can be filled with the compressed air.