Apparatus for changing belts

Details Apparatus for changing belts Apparatus for changing belts

1980-07-02

1982-08-24

Freeh, William L.

Pumps

Condition responsive control of pump drive motor

With control of pump drive transmission

417362, 474 26, F04B 4900, F04B 3504

Patent

active

043458785

ABSTRACT:
The belt of a variable speed fan drive is replaced without the use of tools. The high speed limit switch is bypassed and an override connection switch striker is provided which permits further movement of the motor base beyond the high speed limit when the high speed limit switch is bypassed.

REFERENCES:
patent: 2369044 (1942-07-01), Hallinan
patent: 2910879 (1959-11-01), Hands
patent: 2934022 (1960-04-01), Rodick et al.
patent: 3178067 (1965-04-01), Bell et al.
patent: 3425288 (1969-02-01), Golden et al.
patent: 3678773 (1972-07-01), Rohrback
patent: 3954018 (1976-05-01), O'Berto
patent: 4027358 (1977-06-01), Llach
patent: 4122974 (1978-10-01), Harbert

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