US Patent: 2,756,508
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| Combination Sine Bar and V Block
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Patentees:
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| Patrick C. O'Grady (exact or similar names) - Mount Clemens, Macomb County, MI |
| Charles H. O'Grady (exact or similar names) - Mount Clemens, Macomb County, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 23, 1954 |
| Granted: |
Jul. 31, 1956 |
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Joel Havens
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Description: |
| Claim:
In combination, a sine bar having a plane bottom surface and a pair of integral depending legs at opposite sides thereof extending in spaced parallel relationship from front to rear of said sine bar, the rear end surfaces of said legs lying in a common plane perpendicular to said plane bottom surface and spaced forwardly of the rear end of said sine bar and cooperating with said plane bottom surface of said sine bar to define aligned recesses, the front end surfaces of said legs lying in a common plane parallel to the first mentioned common plane spaced rearwardly of the front end of said sine bar and cooperating with said plane bottom surface of said sine bar to define aligned recesses, a first cylindrical plug extending transversely of said sine bar and secured in, the first mentioned recesses, a second cylindrical plug of the same diameter as and extending parallel to said first plug secured in the second mentioned recesses, a base, means on said base rotatably supporting said first plug permitting swinging movement of said sine bar about the axis of said first plug toward and away from said base, and a gage block support on the upper surface of said base beneath said second plug and engageable therewith upon swinging movement of said sine bar toward said base, said gage block support being located laterally inwardly of said depending legs to clear the latter and extending into the space between said depending legs upon swinging movement of said sine bar toward said base. |
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