U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Mechanical end joint system for structural column elements

Patent 4340318 Issued on July 20, 1982. Estimated Expiration Date: Icon_subject December 5, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2976968

Shaft end coupling means
Patent #: 4131380
Issued on: 12/26/1978
Inventor: De Bliquy

Connector for sections of oil containment boom
Patent #: 4143987
Issued on: 03/13/1979
Inventor: Welsh

Angle plate connector for tubular members Patent #: 4145149
Issued on: 03/20/1979
Inventor: Ruga

Inventors

Application

No. 06/100611 filed on 12/05/1979

US Classes:

403/217, THREE OR MORE MEMBERS CONNECTED AT SINGLE LOCUS403/317, Blocker keeper403/331, SIDE SLIDE: ELONGATED CO-LINEAR MEMBERS403/340, Mirror images52/81.3Frame connection detail

Examiners

Primary: Shedd, Wayne L.

Attorney, Agent or Firm

International Classes

E04B 1/19 (20060101)
F16B 7/22 (20060101)
F16B 7/00 (20060101)

Abstract

A mechanical end joint system, useful for the transverse connection of strut elements to a common node, comprises a node joint half 15 with semicircular tongue 14 and groove 60 and a strut joint half 24 with semicircular tongue 25 and groove 21. The two joint halves are engaged transversely and the connection is made secure by the inherent physical property characteristics of locking latches 12 and 26 (FIGS. 1-6) or by a spring-actioned shaft 70 (FIG. 7). A quick release mechanism (FIG. 7) provides rapid disengagement of the joint halves.

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