CYCLE EXERCISER Russian patent published in 2005 - IPC

FIELD: sportive exercisers for working out of main group of muscles, may be used for providing normal general health state of users, as well as for special preparing of sportsmen.

SUBSTANCE: cycle exerciser has base mounted on supports and equipped with axle, on which loading unit is fixed. Loading unit has flexible members and pedals and is made in the form of variable-radius disk-shaped member fixed on axle, and at least one loading member positioned for rotation around base axis and comprising two concentrically arranged outer and inner bushings with outer end surfaces, between which flexible member is located. End surface of outer bushing is adapted for regulating force applied by flexible member. Inner bushing is positioned for displacement in outer bushing equipped with stops for inner bushing. Bushings are provided with axle, on which body of rotation is positioned, said body of rotation being in contact with disk-shaped member. Disk-shaped member is made in the form of ellipse and is composed of two parts, each of which is fixed on axle through plates with fastening members. In order to rotate loading member, base axle is equipped with bushing. Loading member is rigidly connected with bushing by means of special plates. Loading unit is provided with additional disk immovably fixed on base axle and equipped with circumferential openings for fixation of loading unit in predetermined position. Inner surface of outer bushing of loading member is furnished with thread allowing outer bushing outer surface to move with changing of force applied by flexible member.

EFFECT: wider operational capabilities of cycle exerciser by providing changing of kind of action upon user's muscles by increased number of peak loadings per cycle of rotation of pedals, and owing to displacement of position of peak loading during cycle.

5 cl, 3 dwg