Improvements in and relating to set screws for securing wheels, bosses, collars, and the like, upon shafts and the like

Abstract

Abstract 203,508. Hindle, T. T., and Hindle, C. C. Aug. 24, 1922. Set-screws; locking set-sereucs.-A set-screw for use in securing wheels, bosses, collars, &c. on shafts &c. has a recess b<1> at the point band is provided with an annular series of saw-teeth which bite into the metal of the shaft and raise burrs in front of the cutting edges to lock the screw against backward rotation. The point b is of hardened steel and may be integral with the screw, welded thereto, or carried on a square, polygonal &c. shank b<2> which fits into a corresponding hole in the body of the screw as shown in Fig. 3. In a grub-screw, the hole may be carried right through the shank to facilitate the insertion of a key at the other end. Alternatively, a grubscrew having an integral point may be provided with a recess for a key &c. at the opposite end. Specification 6146/12 is referred to.

Inventors

No inventors recorded.

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