Cabinet latch assembly with electrical grounding feature

Details Cabinet latch assembly with electrical grounding feature Cabinet latch assembly with electrical grounding feature

1989-04-18

1990-08-28

Nicholson, Eric K.

Closure fasteners

Bolts

Swinging

292DIG53, 292DIG64, 174 51, 174 78, 437108, 437565, 70451, F05C 300

Patent

active

049519808

ABSTRACT:
A latch assembly includes a housing for inserting through an opening or breach in a door panel and secured to the panel by a retaining cage. In the preferred embodiment, the housing and the breach will have the same cross-sectional square shape. A retaining cage includes a retainer plate and a plurality of supporting legs and substantially surrounds the housing when the assembly is mounted on a door panel. At each cornering edge of the housing, a depression is formed for receiving a retainer extension formed at the end of each supporting leg. Each supporting leg also includes a support claw or tip which, in the mounted position, engages a surface of the door panel and pierces any non-conductive coating thereon so that the rotary bar handle and the other parts of the assembly may be electrically grounded. The cooperative configuration of the housing and the retaining cage permits mounting of the assembly in one of four positions. The invention is especially useful in constructing cabinets for electrical equipment where such cabinets must be electrically grounded.

REFERENCES:
patent: 2911608 (1959-11-01), Lee
patent: 3247312 (1966-04-01), Alessi
patent: 3486158 (1969-12-01), Soltysik et al.
patent: 3503233 (1970-03-01), Russell et al.
patent: 3929360 (1975-12-01), Gulistan
patent: 4099397 (1978-07-01), Davenbaugh
patent: 4186952 (1980-02-01), Glass
patent: 4270780 (1981-06-01), Bernard
patent: 4310133 (1982-01-01), Wetterhorn et al.
patent: 4496791 (1985-01-01), Reichert et al.
patent: 4533165 (1985-08-01), Edelman

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