Visual feed control assembly for carriage-fed sawmill saws

Details Visual feed control assembly for carriage-fed sawmill saws Visual feed control assembly for carriage-fed sawmill saws

1977-12-16

1980-05-13

Truhe, J. V.

Electricity: motive power systems

Automatic and/or with time-delay means

Motor load, armature or primary or secondary circuit current

318332, G08B 2100

Patent

active

042030609

ABSTRACT:
A visual feed control assembly for carriage-fed, electric motor driven sawmill saws comprises in combination with the electric drive motor of the saw electric circuits including first and second trip current relays with associated first and second electrically operated lights or other signals. The trip current relays are preset, the one to operate its associated signal at a predetermined minimum saw motor amperage load and the other to energize its associated signal at a predetermined maximum saw motor amperage load. The signals enable the operator to adjust the carriage speed to suit the saw so that the saw operates at maximum efficiency at all times, irregardless of the size and character of the logs being sawed.

REFERENCES:
patent: 1070638 (1913-08-01), Thullen
patent: 2668268 (1954-02-01), Hunter et al.
patent: 3435289 (1969-03-01), Aselman, Jr.

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