Drive power transmission system

Endless belt power transmission systems or components – Plural belts or plural output loads – Plural output loads

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Details

474252, 474139, F16H 700, F16G 128

Patent

active

047816643

ABSTRACT:
A drive power mission system having a driving pulley, a plurality of driven pulleys, and the power transmission belt laid in a serpentine manner over the pulleys. The driving pulley and at least one driven pulley, which are in contact with the inner surface of the power transmission belt, have a plurality of V-grooves arranged circumferentially. The V-groove fits to ribs formed on the inner surface of the belt, and the remaining pulley or pulleys, which are engaged with the outer surface of the power transmission belt have a plurality of protrusions arranged in parallel and circumferentially. The protrusions engage the outer surface of the belt, which is flat, and the power transmission belt is an endless belt having a plurality of ribs arranged longitudinally thereof. The ribs are substantially equal in section along the widthwise direction of the belt and the outer surface of the belt is flat. The driven pulley or pulleys engaged with the outer surfaces of the belt prevents the belt from transverse shifting.

REFERENCES:
patent: 1324804 (1919-12-01), Donason
patent: 2471969 (1949-05-01), Meyer
patent: 2592581 (1952-04-01), Lorig
patent: 2728239 (1955-12-01), Adams
patent: 2894405 (1959-07-01), Carle
patent: 3140620 (1964-07-01), Ferara
patent: 3151491 (1964-10-01), Case
patent: 3404577 (1968-10-01), Zahn
patent: 3603296 (1971-09-01), Mitchell
patent: 3643518 (1972-02-01), Semin
patent: 3951006 (1976-04-01), Fisher et al.
patent: 4004466 (1977-01-01), Alba
patent: 4015484 (1977-04-01), Taylor
patent: 4028955 (1977-06-01), Fisher et al.
patent: 4031761 (1977-06-01), Fisher
patent: 4047445 (1977-09-01), Anderson
European Patent Application No. 0,011,986, published Jun. 11, 1980 (pp. 16 and 17).
Japanese Patent Abstract, vol. 1, #115, Sep. 30, 1977, p. 3688M77 (Kokai No. 52-53175).
"Engineering Standard Specifications for Drives Using V-Ribbed Belts", (Rubber Manufacturers Association, Mechanical Power Transmission Assoc. and the Rubber Assoc. of Canada, 1977).

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