Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1976-09-09
1977-10-11
Jones, Jr., James L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51215H, 51215UE, B24B 318, B24B 4702
Patent
active
040528235
ABSTRACT:
A tap transport device is used in combination with a thread-cutting machine having a chuck adapted to hold a workpiece to be threaded and to rotate this workpiece about a threading axis. The tap transport device comprises a support frame adjacent the machine on which a carrier is displaceable in a first direction transverse to the threading axis. A workpiece feed gripper and a workpiece removal gripper are mounted on the carrier and hydraulic cylinders are provided for opening and closing these grippers and thereby grasping and releasing a workpiece. A magazine is provided on the support frame spaced in the first direction from the threading axis for holding a plurality of unthreaded workpieces and feeding these workpieces to the workpiece feed gripper. A hydraulic ram is provided for displacing the carrier in a second direction transverse to the threading axis and to the first direction between a feed position with the feed gripper aligned in the first direction with the threading axis and a removal position with the removal gripper aligned in the first direction with the threading axis. Yet another cylinder can displace the carrier in the first direction between an outer end position with the grippers aligned in the second direction with the magazine and an inner end position with the grippers aligned in the second direction with the threading axis. Thus when in the inner end position displacement of the carrier into the feed position aligns a workpiece in the feed gripper with the threading axis and displacement of the carrier into the removal position aligns the workpiece in the removal gripper with the threading axis. Another cylinder is provided for displacing the carrier in a third direction generally parallel to the axis.
REFERENCES:
patent: 3954164 (1976-05-01), Bottomley
patent: 3994099 (1976-11-01), Palmer
Ferg S.L.
Godici Nicholas P.
Jones Jr. James L.
Striker Michael J.
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