File:EB1911 - Screw - Fig. 3.png
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Summary
| Description |
English: Fig. 3.—Bolt-Screwing Machine (John Stirk & Sons, Ltd., Halifax).
A, bed. B, Spindle. C, Four-step belt pulley, driving through triple spur gears D, to B. E, Opening die head. F, Bolt carriage racked to or fro along the bed by rotation of hand-wheel G. H, Handle for opening and closing vee-jaws at a for gripping and releasing bolts by means of a right- and left-hand screw. J, Handle for opening the dies. K, Lever for automatically opening the dies, operating through J. L, Rod having adjustable dog b, struck by carriage at a definite position of its travel, thus throwing the dies off the work. M, Pump drawing lubricant from reservoir in bed. |
| Date | |
| Source | https://en.wikisource.org/wiki/Page%3AEB1911_-_Volume_24.djvu/499 |
| Author | Encyclopædia Britannica |
Licensing
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This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States. |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 21:47, 7 August 2023 | | 1,025 × 933 (128 KB) | Sp1nd01 | Uploaded a work by Encyclopædia Britannica from https://en.wikisource.org/wiki/Page%3AEB1911_-_Volume_24.djvu/499 with UploadWizard |
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