Knurled cup-point set screw

Details Knurled cup-point set screw Knurled cup-point set screw

1987-03-06

1988-08-16

Wilson, Neill R.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Set screw

411959, F16B 3500

Patent

active

047640685

ABSTRACT:
A set screw having a novel cup-point for engagement with a shaft or rod. The cup-point has knurling on a portion of its outer circumferential surface and is provided with a smooth frustoconical surface portion adjacent the knurling such that, in use, the smooth surface portion of the cup-point engages the surface of the rod or shaft before the knurling.

REFERENCES:
patent: 2295314 (1942-09-01), Whitney
patent: 2314274 (1943-03-01), Hallowell
patent: 2778265 (1957-01-01), Brown
patent: 2992669 (1961-07-01), Fesmire

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