US Patent: 1,802,914
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| V Block
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Patentee:
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| Charles W. Gruber (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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| Applied: |
Dec. 13, 1929 |
| Granted: |
Apr. 28, 1931 |
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Joel Havens
"Vintage Machinery" entry for Brown & Sharpe Mfg. Co
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Description: |
| Claim:
A jig comprising a block having upper and lower work receiving faces and having opposed side faces each formed with a pair of spaced outwardly projecting vertical ribs, said side faces being formed with longitudinal grooves extending through the ribs and b6 with vertical grooves located in the spaces between the ribs, of the pairs of ribs and which vertical grooves intersect the longitudinal grooves, and a work engaging clamp including a yoke having the ends of its sides formed with inturned fingers, the yoke sides and fingers being formed to be received in the vertical grooves and moved to engage in the longitudinal grooves and to be moved in the latter to one side of the vertical grooves, the ms outer faces of the ribs extending substantially flush with the outer side faces of the yoke so as to enable the block to be placed flat on a supporting surface, the longitudinal grooves being located to one side of the horizontal center of the block. |
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