Locking screw for modular framework

Details Locking screw for modular framework Locking screw for modular framework

1990-08-06

1991-05-28

Wilson, Neill R.

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

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

Set screw

411410, 411959, 403 7, 403297, F16B 3500, F16B 700, F16B 1236

Patent

active

050189212

ABSTRACT:
A locking screw is disclosed having a shank and a frustoconical head with a cavity therein and a knurled annular end surface portion encircling the cavity. The locking screw is disposed within the arm of a joint connecting member which arm is inserted in a tubular structural member. The screw is turned out from the arm into engagement with the structural member holding the joint and structural member securely together.

REFERENCES:
patent: 2556155 (1951-06-01), Stellin
patent: 3079185 (1963-02-01), Foster
patent: 3269250 (1966-08-01), Curtiss
patent: 3854831 (1974-12-01), Gutner
patent: 3858989 (1975-01-01), Field
patent: 4076438 (1978-02-01), Bos
patent: 4249830 (1981-02-01), Day
patent: 4355552 (1982-10-01), Gutshall
patent: 4402625 (1983-09-01), Rechkin
patent: 4448003 (1984-05-01), Hasbrouck
patent: 4764068 (1988-08-01), Crispell
patent: 4893958 (1990-01-01), Wieland

Affiliated with

Also associated with

Rating

Locking screw for modular framework does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Locking screw for modular framework, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locking screw for modular framework will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-32253