US Patent: 1,531,129
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| Boring Unit
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Patentee:
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| Howard A. Pedrick (exact or similar names) - Bala, Montgomery County, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 23, 1921 |
| Granted: |
Mar. 24, 1925 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Pedrick Tool & Machine Co.
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Description: |
| Abstract:
This invention relates to that class of devices particularly designed for boring the interiors of cylindrical structures as well as for drilling, reaming and similar operations and one object thereof is to provide a novel structure for adjustably supporting a power driven boring bar, whereby this may be quickly and conveniently mounted on or adjacent the structure to be operated on, in such position as to perform the work required.
Claim:
The combination in a boring unit. of a rectangular, hollow body structure; a pair of supporting feet on each side of. the said structure; means for adjustably securing the body structure to the said feet; upper and lower bearings in the body structure; a boring bar mounted in the bearings; a feed screw carried by the boring bar; a nut mounted between the hearings of the body structure; means for moving the not into and out of engagement with the feed screw; a plate pivotally mounted on the upper bearing: means for securing the plate in position; a frame mounted on the plate and carrying the driving mechanism for the boring bar; and means at the upper end of the boring bar for turning; the feed screw to move the boring bar longitudinally. |
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