Pole framing apparatus

Woodworking – Combined machine

Patent

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Details

144 1R, 144 2J, 144 3R, 144 35R, 144242R, 144242M, 144356, 144133R, 144365, 144367, 144 92, 29 26A, 408 2, 408 13, 408 70, B27C 900, B27M 108

Patent

active

053580184

ABSTRACT:
An automatic machine for performing framing operations on a power pole. The machine is controlled by a programmable logic control and interchangeable programs are provided to control the operation of the machine according to a pole frame specification. Poles to be framed are received on a primary conveyor. The poles are sequentially scanned for length and position and are transferred in sequence to a longitudinal feed station where the poles are oriented on a first set of supports. An end of the pole is clamped to a movable carriage to maintain the pole orientation. The pole is fed through a rotatable tool ring by movement of the carriage. The tool ring supports tooling to perform the framing operation on the pole. The programmable logic control coordinates the movement of the carriage and the rotation of the tool ring to position the tools in the proper relation to the pole. Self centering supports are provided to center the longitudinal axis of the pole on the rotational axis of the tool ring. The programmable logic control operates the tools of the tool ring to perform all the operations required in framing the pole to its specification. An additional tool ring is provided adjacent the first tool ring for supporting drilling tools for ground line drilling the base of the pole to enhance subsequent treatment of the pole with a wood preservative.

REFERENCES:
patent: 1667063 (1928-04-01), Valentine
patent: 2347791 (1944-05-01), Onsrud
patent: 2781802 (1957-02-01), Pence
patent: 3092158 (1963-06-01), Ellerman et al.
patent: 3833033 (1974-09-01), Huren
patent: 4519429 (1985-05-01), Dreese

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