Pedal-load lightening apparatus

Details Pedal-load lightening apparatus Pedal-load lightening apparatus

1987-02-24

1989-01-31

Moore, Richard E.

Machine element or mechanism

Control lever and linkage systems

Foot operated

192111A, 74531, 74560, G05G 114

Patent

active

048007749

ABSTRACT:
A pedal-load lightening apparatus comprising a pedal arm and a lever rockable in one therewith. A torsion coil spring is provided between the lever and a support bracket. The coil spring urges the pedal arm to return to its initial position before the arm, starting from the initial position, reaches a neutral position at a predetermined rotational angle to the initial position. When the neutral position is reached, the spring starts to urge the pedal arm in a treadling direction. Moreover, an urging element is attached to the support bracket or the lever. The urging element is adapted to press the pedal arm in the treadling direction, with a force smaller than the repulsive force of the torsion coil spring, within a stroke of the arm between the initial position and a position near the neutral position.

REFERENCES:
patent: 3365042 (1968-01-01), Smirl et al.
patent: 3768612 (1973-10-01), Gale
patent: 3975972 (1976-08-01), Muhleck
patent: 4263999 (1981-04-01), Fasano
patent: 4310086 (1982-01-01), Mochida
patent: 4326616 (1982-04-01), Mochida et al.
patent: 4364284 (1982-12-01), Tani et al.
patent: 4381053 (1983-04-01), Hyodo
patent: 4424890 (1984-01-01), Duethman
patent: 4708028 (1987-11-01), Pardy

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