Cutting by use of rotating axially moving tool – Means to drive tool
Patent
1989-11-09
1991-04-30
Briggs, William
Cutting by use of rotating axially moving tool
Means to drive tool
475337, B23B 4704
Patent
active
050113410
ABSTRACT:
A pneumatic power tool having a rotary driven output spindle defining an axis, an air motor having an output shaft axially aligned with the output spindle, transmission means connecting the output shaft and the spindle, and control means for operating the air motor. Incorporated in the transmission means is a two speed gear system to provide a first drive having a lower torque output and a second gear reduced having a higher torque output and a lower rotary speed output relative to the first drive. The two speed gear system also includes a spindle assembly which is axially translatable, biasing means for biasing the spindle assembly to the first drive position, and a collar rotatable about the axis and including a follower cooperative between the spindle assembly and the collar to effect axial movement of the spindle assembly between the first and second drive positions.
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Photocopy of Photograph-DeSoutter Lever Operated Air Tool.
S & L Maskin AB, Stenungsun, Sweden Brochure-Three pages.
Briggs William
The Aro Corporation
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