# US 10,483,053 B2 · Switch cover

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- Number: US 10,483,053 B2
- Document ID: US10483053B2
- Status: Granted
- Kind: B2
- Application number: 15/225,330
- Filed: 2016-08-01
- Published: 2018-02-01
- Granted: 2019-11-19
- Earliest claimed: 2016-08-01
- Assignees: ABB Schweiz AG
- Applicants: ABB Schweiz AG
- Inventors: Malbin Jose Mendoza
- Web page: https://patentgrep.com/patent/US10483053B2

## CPC

- H01H 9/0207: {Adjustable mounting of casings}
- H01H 1/0015: {Means for testing or for inspecting contacts, e.g. wear indicator (measuring circuits G01R31/3274)}
- H01H 1/42: Knife-and-clip contacts
- H01H 9/22: for interlocking between casing, cover, or protective shutter and mechanism for operating contacts {(explosion-proof cases H01H9/045; built-in fuses and interlocking mechanisms H01H9/104; by automatic release of circuit breakers H01H71/126)}
- H01H 71/0264: {Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel}
- H01H 85/25: Safety arrangements preventing or inhibiting contact with live parts, including operation of isolation on removal of cover
- H01H 2223/044: Protecting cover
- H01H: ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H01B7/10; electrolytic self-interrupters H01G9/18; emergency protective circuit arrangements H02H; switching by electronic means without contact-making H03K17/00)

## Abstract

A cover for an electric switch assembly is disclosed in the present application. The cover includes connecting features that permit connection to a housing for the switch assembly in at least two locations. A first location is defined by a cover positioned to completely enclose all electrically conductive components in the switch assembly. A second location is defined by a cover positioned to enclose a portion of electrically conductive components and to permit access to a circuit associated with an open switch in the switch assembly.

## Claims

### Claim 1

A cover for an electrical switch comprising:
a front wall;
a perimeter wall extending around the front wall, the front wall and the perimeter wall defining an inner region of the cover,
a primary coupling feature sized and positioned to permit coupling of the cover with a portion of a switch housing in a first position that prevents access to all electrically conductive components, the primary coupling feature including a first aperture and a second aperture that each extends through the front wall and is in direct fluid communication with the inner region of the cover, the first aperture being separated from the second aperture by a first distance; and
a secondary coupling feature sized and positioned to permit coupling of the cover with the portion of the switch housing in a second position to permit access to only a portion of the electrically conductive components, the secondary coupling feature extending outwardly from the perimeter wall, the secondary coupling feature comprising a third aperture and a fourth aperture that are separated by a second distance, the first distance and the second distance being the same such that the primary coupling feature and the secondary coupling feature are positioned to be coupled to a same portion of the switch housing, wherein the third and fourth apertures each comprise an eyelet that protrudes outward from the perimeter wall of the cover.

### Claim 2 (depends on 1)

The cover of claim 1, wherein the cover is formed from a non-conductive material.

### Claim 3 (depends on 1)

The cover of claim 1, wherein the first and second apertures extend through the front wall of the cover, and wherein a portion of the primary coupling feature is positioned within the inner region of the cover.

### Claim 4 (depends on 1)

The cover of claim 1, wherein the eyelet is configured to receive a rod extending from the switch housing.