US Patent: 263,402
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| Die Stock for Cutting Threads
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Patentee:
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| Charles Hart (exact or similar names) - Cleveland, OH |
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Patent Dates:
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| Applied: |
Apr. 24, 1882 |
| Granted: |
Aug. 29, 1882 |
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Patent Pictures:
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Stan Schulz
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Description: |
| Marketed as the "DUPLEX" adjustable die stock, in versions for pipe or bolts.
W. H. Burridge - patent attorney
My invention relates to die-stocks for cutting screw-threads, as hereinafter shown and described.
What I claim as my invention, and desire to secure by Letters Patent, is;
1. In screw-stocks, the adjustable spring gage V, provided with pin g and arms e c, connected to said stock by means of screws inserted through slotted openings c1 c' in said arms, in combination with the cam-ring II, having a figured index or scale of sixes marked thereon, and a series of peripheral notches or stops, A, substantially as and for the purpose set forth.
2. In a screw-stock, the combination of the cam-ring H, having a series of peripheral notches or stops, clamping-ring L, and no gage V, provided with slotted arms e e and spring-pin g, substantially as and for the purpose set forth.
3. The cam-ring H, provided with an index or scale of sizes and a series of stops, h, in combination with the adjustable spring-gage V, arranged in relation to the die-stock and screw-cutters, substantially as and for the purpose described.
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