Geometrical instruments
Patent
1985-10-28
1987-01-20
Combs, E. Michael
Geometrical instruments
339 54, 339 92R, 339 92M, H01R 3308, H01R 3397, H01R 1362
Patent
active
046376712
ABSTRACT:
A removable locking system for a fluorescent U-tube electrically connected to a mounting body connected to a surface. The mounting body has a flange extending over the coupling member of the connecting end of the U-tube at the mounting body. A locking screw member is threaded through a hole in the flange into pressing contact with the top of the coupling member of the U-tube. A self-locking washer is positioned between the head element of the screw and the top surface of the flange. The locking screw can be rotated to lock or free the U-tube from its mounted association with the mounting body.
REFERENCES:
patent: 468654 (1892-02-01), Gibbs
patent: 3059211 (1962-10-01), Thomas et al.
patent: 3120419 (1964-02-01), Dworkin
patent: 3417364 (1968-12-01), Kunkle et al.
patent: 3725850 (1973-04-01), Izumi
patent: 3783434 (1974-01-01), Ransford
Johnson George E.
Newman Walter
Combs E. Michael
Leviton Manufacturing Company, Inc.
Sutton Paul J.
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