Woodworking – Combined machine
Patent
1994-08-04
1995-03-28
Bray, W. Donald
Woodworking
Combined machine
144 1R, 144 2J, 144 3H, 144356, 144365, 144368, 269 56, 269 58, 269 63, 408 3, 408 35, 408 24, 408 26, 408 70, B27C 900, B27C 300, B27B 100, B27M 108
Patent
active
054008417
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 movable rotatable tool ring either by movement of the pole clamp carriage or movement of the tool ring. The tool ring supports tooling to perform the framing operation on the pole. The programmable logic control coordinates the movement of the pole clamp carriage, the movement of the tool ring 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: 1610623 (1926-12-01), Shipley
patent: 1667063 (1928-04-01), Valentine
patent: 1802824 (1931-04-01), McNeil
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), Hurn
patent: 4071060 (1978-01-01), Busch
patent: 4519429 (1985-05-01), Dreese
Bray W. Donald
Harrington Robert L.
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