US1735260A

US1735260A - Electrical-fixture construction

Info

Publication number: US1735260A
Application number: US719670A
Authority: US
Inventors: Harry J Morey
Original assignee: Pass and Seymour Inc
Current assignee: Pass and Seymour Inc
Priority date: 1924-06-12
Filing date: 1924-06-12
Publication date: 1929-11-12
Anticipated expiration: 1946-11-12

Description

Nov. 12, 1929. H. J. MOREY 1,735,260

ELECTRICAL FIXTURE CONSTRUCTION Filed Jim 12, 1924 fig n A TTORNEY6,

Patented Nov. 12, 1929 1 UNITED STATES PATENT OFFICE HARRY J'. MOREY, F SYRACUSE, NEW YORK, ASSIGNOB TO PASS & SEYMOUR, INC. OFSOLVAY, NEW YORK, A'CORPORATION OF NEW YORK ELECTRICAL-FIXTURE CONSTRUCTION Application filed June 12, 1924. 7 Serial No. 719,670.

This invention relates to electrical fixtures, and has for its object a particularly simple and eflicient construction by which the fixture is readily attachable to a support,and by which an attaching member for an electrical appliance as a lamp or other applianceis assembled in the base to produce a simple compact arrangement.

The invention consists in the novel features and in the combinations and constructions hereinafter set forth and claimed.

In describing this invention reference is had to the accompanying drawings in'which like characters designate corresponding parts in all the views.

Figure 1 is a sectional view of this fixture, the same being shown as attached to a support on a wall or ceiling.

Figure 2 is an inner face View of the base.

This invention comprises generally a base having means for attachment to a support on a wall or ceiling or other part by an inter-. locking movement as a partial rotary movement of the base, and also a simple relative arrangement of an attaching member for an electrical. appliance with respect to said means.

1 designates the base .which is usually formed up of comparatively light sheet metal in the form of a canopy, the base having a The means for attaching tubular neck 2. the base to a support comprising a partasso ciated with the base and arranged on the interior of the base at the inner end of the passage of the neck 2, and provided with means for interlocking with a support for the fixture by a partial rotary movement of the base. The part associated with the base is here shown as a bridge 3 extending across the passage of the neck at the inner end thereof, and secured as at its ends to the base by suitable means as rivets 4. The bridge is here shown as formed with open ended slots 5, which are preferably arc-shaped and arranged opposite each other and curved other through the opposite side edge. 00

about the samecenter which is usually the center of the base. These slots open through opposite side edges of the bridge, that is one slot opens through one side edge and the The support for interlocking with the base or the bridge 3, as here shown includes headed members as rods or screws 6 threading into a collar 7 on a nipple 8 which is secured to a wall or ceiling, it usually threading into a plate or box 9 secured to a wall or ceiling 10 in any suitable manner as by screws 11. The collar 7 usually threads on the nipple 8 and is secured thereto against unintentional turning by a set screw 12. The plate or box '60 9 is provided with inlet and outlet openings for electric wires or for conduits 13 enclosing said wires. I

In applying the base 1 to a ceiling the collar 7 is first attached to the nipple with the screws thereon, and then the base is secured to these screws, by a partial rotary the screws. 7

Preferably the entrance ends of the slots are widened for facilitating the entrance of the screws 6 therein.

appliance, as a'lamp socket. These casings being provided with various types of contacting or compression members for interlocking with an attaching member as a ring carried by a fixture usually by a partial rotary movement as will be understood by those skilled in the art.

'15 designates the attaching member formed in any suitable manner to interlock with the 55 case 14.

The attaching member is arranged in the neck 2 and thrusts at its outer edge against an internal annular flange 16 at the outer end of the neck and has means for interlocki 90 14 designates the casing of any electrical ing with the bridge to prevent turning of the attaching member.

The means for interlocking the attaching ring 15 with the bridge 3 as here shown comprises shoulders 17 usually struck from the bridge 3, these shoulders projecting toward the ring, and lugs on the ring for interlocking with the shoulders. Preferably thering is formed with diametrically opposite arms 18 extending from the ring toward the bridge, these arms terminating in laterally turned feet or lugs 19 which are notched or formed with bifurcations for embracing the shoulders 17.

As the base 1 is formed of comparatively light sheet metal, preferably a reinforcing ring 20 is located in the neck 2 between the attaching ring 15 and the neck, the reinforcing ring thrusting at its lower end against the flange 16 and at its upper end against the bridge In assembling the parts, the reinforcing ring is placed in the neck from the inner side thereof, and also the attaching ring 15, and the bridge is then placed in position with the shoulders 17 in the notches of the lugs 19, and the bridge secured in position by the rivets a.

This construction of electrical fixtures is particularly advantageous in that it consists of but a few simple parts which are readily assembled and when assembled the attaching ring is held from movement, without attaching to the base itself. It is further advantageous in that it can be readily attached to a support by an interlocking movement.

What I claim is: a

1. An electrical fixture comprising a canopy formed with a neck, a bridge extending diametrically across the neck at the inner end thereof and secured at its ends to the canopy, the bridge having means for securement to a support upon partial rotary movement of the canopy and the neck also having means for securing the casing of a lamp socket thereto, the last mentioned means comprising a ring and located in the neck, in the inner end thereof adjacent the bridge, the brid e and the ring having interlocking parts.

2. An electrical fixture, comprising a base formed with a neck having an internal annular flange at its outer end, an annular attaching member for an electrical appliance lo cated in the neck and thrusting against said flange, bridge located in the base and extending across the passage of the neck, the bridge being formed with shoulders extending toward said member, and said member being formed with arms terminating in laterally turned lugs interlocking with said shoulders.

3. An electrical fixture, comprising a base formed with a tubular neck having an internal annular fi'ange at its outer end, a reinf'o'rcingring located within the neck and abutting against the flange, an attaching ring