Fitting for channel-shaped framing members

Details Fitting for channel-shaped framing members Fitting for channel-shaped framing members

1987-05-27

1988-12-06

Smith, Gary L.

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

Threaded fastener locked to a discreet structure

Prefabricated assembly comprising strip or sheet member...

411116, 411122, 411123, 411427, 248 70, 248 73, 2482972, F16B 2700

Patent

active

047892862

ABSTRACT:
A fitting, for fastening with interengaged inner and outer threaded members to a channel-shaped framing member, comprises a tab projecting into the channel to abut the inner threaded member to assure properly rotated assembly of that threaded member and to prevent improper rotation if the threaded members are loosened.

REFERENCES:
patent: 1956219 (1934-04-01), Jenkins
patent: 2099116 (1937-11-01), Kalmbach
patent: 2345650 (1944-04-01), Amwood
patent: 2354802 (1944-08-01), Doke
patent: 2386386 (1945-10-01), Doke
patent: 2439220 (1948-04-01), Rothruchs
patent: 2486723 (1949-11-01), Thompson
patent: 3257134 (1966-06-01), Boyd et al.
patent: 3513606 (1970-05-01), Jones
patent: 3689015 (1972-09-01), Johnson
patent: 3873224 (1975-03-01), Lerzec et al.
patent: 4362422 (1982-12-01), Zingman et al.
patent: 4408928 (1983-10-01), Steinke
Unistrut General Engineering Catalog No. 9A, 1981.

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