Metal tools and implements – making – Saw-making or furbishing device or machine – Tooth
Patent
1979-01-02
1980-10-21
Simpson, Othell M.
Metal tools and implements, making
Saw-making or furbishing device or machine
Tooth
83917, 83267, B23D 6502
Patent
active
042287014
ABSTRACT:
A carrier takes up a gin saw blade blank from a magazine stack, swings the blank to position over a collet chuck on a continuously rotating vertical spindle, and places the blade on the chuck. The chuck is actuated to clamp the blade thereto and the chuck is shifted laterally to move the blade into cutting engagement with a cutter wheel having peripherally spaced teeth. The chuck drive includes a yieldable mechanism to permit intermittent stopping of the blade as the cutter teeth pass through. After the cutting cycle, the chuck is again moved laterally to the load-unload position; and an ejector removes the blade from the chuck, after release by the chuck, and carries it to a storage spindle for finished blades. During the cutting cycle, the carrier is moved back to its position over the magazine to pick up a succeeding blank for deposit on the chuck. Apparatus functions are performed by air cylinder motors controlled by a bank of air valves operated by cams on a common cam shaft. A common drive mechanism synchronizes the continuous rotational speed of the collet chuck spindle, the cutter wheel, and the valve operator cam shaft. The operation is fully automatic from pick up of a blade blank from the magazine, to the discharge of the finished blade onto a storage spindle.
REFERENCES:
patent: 3008356 (1961-11-01), Herpin
patent: 3766806 (1973-10-01), Benner
Murphy Peter J.
Parker Roscoe V.
Simpson Othell M.
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