Bolt including a cleaning thread point tip

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

1994-09-13

1996-03-19

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

054998956

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

REFERENCES:
patent: 1963542 (1934-06-01), Bergstrom
patent: 2823574 (1958-02-01), Rosan
patent: 3451080 (1969-06-01), McIntyre et al.
patent: 4973209 (1990-11-01), Essom et al.
patent: 5000639 (1991-03-01), Hinkley et al.

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