Combined kerfing and joint nailing machine

Details Combined kerfing and joint nailing machine Combined kerfing and joint nailing machine

1977-10-17

1978-11-28

Goldberg, Howard N.

Elongated-member-driving apparatus

With means to shape work or cut product

Means to form opening in work for member

144309L, 227 30, 227148, B27M 108

Patent

active

041272269

ABSTRACT:
A woodworking machine for fastening together wood picture frames, cabinet doors, case goods, and the like, with joint nails driven into sawed kerfs. The machine combines the two operations of sawing the kerfs and inserting the joint nails. Workpieces to be joined are clamped to movable fixtures. Actuators move the workpiece fixtures apart to permit the entry of a rotary kerfing saw to cut kerfs in the facing surfaces to be joined. Other actuators move the kerfing saw into position and into the workpieces to cut the kerf, then withdraw the saw and move it back into a retracted position out of the way. The workpiece fixtures are then moved to bring the workpieces together so that the sawed kerfs become a single kerf ready to receive a joint nail. The workpiece fixtures may also move the workpieces forward, up to the nailing head. The nailing head then pushes a joint nail into the kerf, fastening the workpieces together. Since both operations are performed on the same workpieces, the kerfs may be located precisely with relation to the outer surfaces, providing improved alignment in the product in addition to a saving in labor.

REFERENCES:
patent: 1700683 (1929-01-01), Madsen
patent: 3734381 (1973-05-01), Blevio

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