Dual motor tapping machine
First Claim
Patent Images
1. A cutting machine comprising:
- a lead screw assembly having a tool holder;
first and second motors; and
a coupling assembly interconnecting the first and second motors to the lead screw assembly for selectively transmitting rotational drive from the first and second motors to the lead screw assembly, the coupling assembly having a first engaged condition rotationally coupling the first motor to the lead screw assembly moving the tool holder in a first direction, and a second engaged condition rotationally coupling the second motor to the lead screw assembly moving the tool holder in a second direction opposite the first direction.
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Accused Products
Abstract
A cutting machine is provided using two electric motors that are run simultaneously. A coupling assembly is interconnected between a tool holder and the drive motors to selectively engage the drive motors. One of the drive motors is used to move the tool holder in a forward direction, and the other drive motor is used to move the tool holder in a rearward direction.
28 Citations
19 Claims
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1. A cutting machine comprising:
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a lead screw assembly having a tool holder;
first and second motors; and
a coupling assembly interconnecting the first and second motors to the lead screw assembly for selectively transmitting rotational drive from the first and second motors to the lead screw assembly, the coupling assembly having a first engaged condition rotationally coupling the first motor to the lead screw assembly moving the tool holder in a first direction, and a second engaged condition rotationally coupling the second motor to the lead screw assembly moving the tool holder in a second direction opposite the first direction. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A cutting process comprising the steps of:
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a) simultaneously rotating first and second drive motors;
b) manipulating a coupling assembly transferring rotation from the first drive motor to a tool holder;
c) moving the tool holder in a first direction;
d) manipulating the coupling assembly terminating transfer of rotation from the first drive motor to the tool holder and transferring rotation from the second drive motor to the tool holder; and
e) moving the tool holder in a second direction opposite the first direction. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification