Bolt including a cleaning thread point tip

Details Bolt including a cleaning thread point tip Bolt including a cleaning thread point tip

1993-08-10

1994-12-20

Wilson, Neill R.

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

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

Pilot end having means enhancing fastening or installation

411418, F16B 2500, F16B 3504

Patent

active

053741463

ABSTRACT:
A fastener has a head and a shank with two ends. One of the ends includes the head while the other includes a pilot point. Also, the shank includes a threaded portion adjacent to the pilot point. A pair of recesses are formed 180.degree. from one another on the point and threaded portion. The recesses extend from the end of the point through at least a first full thread.

REFERENCES:
patent: 2165011 (1939-07-01), Rosenberg
patent: 2278411 (1942-04-01), Braendel
patent: 2823574 (1958-02-01), Rosan
patent: 3492908 (1970-02-01), Thurston
patent: 5000639 (1991-03-01), Hinkley et al.

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