Mutliple rip-sawing method and apparatus

Details Mutliple rip-sawing method and apparatus Mutliple rip-sawing method and apparatus

1975-11-11

1976-12-21

Abercrombie, Willie G.

Cutting

Processes

Cut advances across work surface

834352, 834253, 83429, B27B 500, B27B 2500

Patent

active

039981150

ABSTRACT:
Improved "climb-cut" wood sawing machinery, including a top-arbor, single-arbor gang-blade ripping saw, includes means for controlling the disposition of feed-roll drive chain slack to eliminate accidental high-speed ejection of wood pieces. A feed roll motor drives the first of a series of cascaded chain-driven feed rolls, and a slip clutch also driven by the feed motor applies a retarding torque to the last feed roll of the series. In alternative embodiments disclosed, the retarding torque is instead applied by a brake, a separate hydraulic motor or a separate electric motor.

REFERENCES:
patent: 2936800 (1960-05-01), Eschenburg et al.
patent: 3788174 (1974-01-01), Morse et al.

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