Self-tapping sleeve

Details Self-tapping sleeve Self-tapping sleeve

1995-02-28

1997-05-20

Meyers, Steven N.

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

411 31, 411395, F16B 2500

Patent

active

056306881

ABSTRACT:
A self-tapping sleeve for providing a ceiling junction for a suspended lighting fixture has a cylindrical body, a center passageway for containing the junction, a thread structure on the perimeter surface of the cylindrical body, and two perimeter cutting elements at the top end of the cylindrical body for producing a circular cutting action in front of the sleeve when the sleeve is rotated in and advance rotation. A trim ring is additionally provided at the bottom end of the body to trim out the ceiling junction when the sleeve is installed. A key-shaped portion of the center passageway receives the key-shaped end of a drive tool used to install the sleeve.

REFERENCES:
patent: 2993950 (1961-07-01), Forman
patent: 4862664 (1989-09-01), Romine
patent: 5102276 (1992-04-01), Gourd
patent: 5156616 (1992-10-01), Meadows et al.
patent: 5234299 (1993-08-01), Giannuzzi
patent: 5308203 (1994-05-01), McSherry et al.

Affiliated with

Also associated with

Rating

Self-tapping sleeve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Self-tapping sleeve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self-tapping sleeve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1720002