Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1981-12-07
1984-07-10
Schran, Donald R.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
744248R, 74841, 173146, 408137, B23Q 5033, F16H 2702
Patent
active
RE0316270
ABSTRACT:
A quill drive comprising a housing adapted for mounting on machine tools. A quill is slidably mounted in a longitudinal bore in the housing, and is longitudinally positioned by a ball screw. The ball screw is driven for longitudinal positioning of the quill by a variable speed, reversible motor. The quill rotatably supports a spindle for driving various cutting tools. The spindle is advanced longitudinally by the quill and is rotatably driven by a second motor. The quill drive can be used singly or in a multiple arrangement on transfer machines or other automatic equipment. The unique design has fewer parts resulting in a simple reliable, relatively inexpensive device which is compact and easy to use. A relatively simple modification of the gear box converts the quill drive into a drive for tapping threaded holes.
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Schran Donald R.
The Gleason Works
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