Snap-fitting transformer terminal cover

Details Snap-fitting transformer terminal cover Snap-fitting transformer terminal cover

1985-04-26

1987-02-03

Askin, Laramie E.

Electricity: conductors and insulators

Insulators

Special application

336107, 339198J, H01R 1344, H01F 2704

Patent

active

046409858

ABSTRACT:
A snap-fitting cover assembly for the terminal block (12) of an electrical transformer (10) comprises a backing plate (18) having apertures (20) for receiving terminals (14) of the transformer and adapted to be mounted against the terminal block (12). The width of the backing plate 18) is slightly greater than the width of the terminal block (12) so that opposite side portions (A) of the plate (18) extend beyond the block. A cover (28) adapted to fit over the backing plate (18) and block (12) has a pair of inwardly extending ears (26) that snap fit around the extending portions of the backing plate (18). With the backing plate (18) secured to the transformer terminals (14) by nuts (24), the cover (28) is retained to the terminal block (12) by a seal wire (34) extending through the cover (28) and behind the plate (18).

REFERENCES:
patent: 1494404 (1924-05-01), Bailey
patent: 1647566 (1927-11-01), Gillen
patent: 1692875 (1928-11-01), Vannini
patent: 1988733 (1935-01-01), Helgason
patent: 3283062 (1966-11-01), D'Entremont
patent: 3491327 (1970-01-01), Tait et al.
patent: 3646582 (1972-02-01), Van Alphen et al.
"Instrument Transformers-Bulletin 803A", May 1982, Sangamo Weston-Schlumberger, 2 pages.
"Instrument Transformers-Bulletin 807", Dec. 1982, Sangamo Weston-Schlumberger, 2 pages.

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