US Patent: 1,260,080
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| Cylinder Grinder
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Patentee:
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| John W. Singer (exact or similar names) - Calexico, Imperial County, CA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Oct. 12, 1917 |
| Granted: |
Mar. 19, 1918 |
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Joel Havens
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Description: |
| Victor J. Evans - patent attorney
Abstract:
The object of the invention is to provide a lathe attachment of the general character referred to adapted to be used in conjunction with a lathe having a hollow spindle upon which the device of this invention is capable of being mounted, the device embodying a housing member for a section of the driving shaft or spindle for the grinding element, a tubular housing for another portion of said driving shaft or spindle, and means for adjusting or varying the distance between the centers of the initial and final sections of the driving shaft or spindle in accordance with the internal diameter of the cylinder operated upon.
Claim:
A cylinder grinding attachment for hollow spindle lathes, comprising a grinding wheel, a driving shaft for said wheel embodying initial final and intermediate sections, the initial section being insertable through the hollow live spindle of the lathe, a cylindrical housing for the intermediate shaft section having an internally threaded extension adapting it to be screwed upon the threaded portion of the live spindle and also embodying a detachable head, a tubular housing arm having at one end an enlarged flange formed with a plurality of slots, fastening means passing through said slots and engaging the detachable head of the aforesaid housing and adapted to permit said arm to be adjusted diametrically of the aforesaid housing, an adjusting screw having a threaded connection with said detachable head and journaled in a projection on said flange, an annular dirt guard surrounding the unsupported end of said tubular arim and having a portion interposed between the grinding wheel and the extremity of said arm, and shaft coupling members having a threaded engagement with the adja-5cent ends of the initial and final portions of said driving shaft, each of said couplings being formed with an end socket non-circular in cross section, the intermediate shaft section being flexible and having non-circular ends detachably fitted in the sockets of to said coupling members. |
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