Stop mechanism for radial arm saw

Cutting – Interrelated tool actuating means and means to actuate work... – Work-stop abutment

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Details

83268, 83467A, 83468, B27B 2702, B27B 520

Patent

active

042690951

ABSTRACT:
A stop mechanism for facilitating the cutting of an elongated workpiece into a large number of equally sized pieces with a radial arm saw. An elongated rail extends perpendicularly beneath the arm to serve as a guide for the workpiece as it is fed into the saw from the infeed side to the outfeed side of the table. An elongated infeed guide which is parallel to the rail spaces the workpiece from the rail as it is fed into the saw. A stop mechanism includes a housing which is secured to the outfeed side of the table and a plunger which moves toward the rail in an extended position and away from the rail to a retracted position. As the workpiece is guided toward the outfeed side of the table, the end of the workpiece contacts the extended plunger thereby terminating further infeed. The workpiece is then cut with the saw, and the plunger is momentarily retracted to allow additional infeed of the workpiece. The end of the workpiece for the next cut then abuts the extended plunger. The dimensional relationships between the infeed guide, workpiece width and plunger stroke are such that the workpiece always contacts the plunger in its extended position but always clears the plunger in its retracted position. Furthermore, sufficient clearance is provided between the extended plunger and the rail to allow passage of cut pieces of workpiece therebetween.

REFERENCES:
patent: 2892474 (1959-06-01), Hiebert
patent: 3192814 (1965-07-01), Zimmerman
patent: 3910142 (1975-10-01), Jureit et al.
patent: 4111088 (1978-09-01), Ziegelmeyer

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