US3938141A — Snap-on housing adapted for panel mounting of tra…

Claim 1

Independent Claim 117 words

A housing for an electrical component, said component having a flange-like portion at its periphery, comprising: a cover having a series of resilient axially extending, spaced fingers or tabs at the periphery thereof; each of said fingers having a convex leading portion and an abutting groove at its inner surface, the grooves together receiving the flange-like portion at the periphery of the electrical component; a back-end bracket having a like series of resilient axially extending, spaced fingers, as defined above, which likewise receive the flange-like portion at the periphery of said component and which fit between the fingers on said cover such that a complete housing is provided and said component is firmly retained inside said housing.

Claim 2

Dependent Claim 117 words

A housing for an electrical component, said component having a flange-like portion at its periphery, comprising: a cover having a series of resilient axially extending, spaced fingers or tabs at the periphery thereof; each of said fingers having a convex leading portion and an abutting groove at its inner surface, the grooves together receiving the flange-like portion at the periphery of the electrical component; a back-end bracket having a like series of resilient axially extending, spaced fingers, as defined above, which likewise receive the flange-like portion at the periphery of said component and which fit between the fingers on said cover such that a complete housing is provided and said component is firmly retained inside said housing.

Claim 3

Dependent Claim 64 words

A housing as defined in claim 1, in which the radius of curvature at the convex leading portion has a predetermined value, whereas the radius of curvature at the groove portion has a much lesser value whereby the periphery of the electrical component can with slight pressure be pushed against the resilient fingers but the component will be firmly retained in the aforesaid grooves.

Claim 4

Dependent Claim 25 words

A housing as defined in claim 1, in which said cover and said back-end bracket are composed of styrene and both are round in shape.

Claim 5

Dependent Claim 49 words

An alarm unit including a housing as defined in claim 3 and further including an oscillator for generating an alarm tone, and an electro-acoustic transducer, said transducer being contained in an assembly which is round in shape and is adapted to be held within the grooves in said housing.

Claim 6

Dependent Claim 42 words

An alarm unit as defined in claim 4, in which the cover of the housing includes a threaded boss extending axially forwardly of said cover, the end of said boss being perforated to permit the emission of sound from said electro-acoustic device.

Claim 7

Dependent Claim 95 words

An electrical component housing adapted to be mounted on a panel or the like, said component having a flange-like portion at its periphery, comprising: a cover having a series of resilient, axially extending, spaced fingers or tabs at the rim thereof; said fingers having arcuate sections located at the free ends of said fingers, said sections including respective convex leading portions and grooves on their inner surfaces for receiving said flange-like portion at the periphery of said component, thereby firmly retaining the electrical component; a threaded boss extending axially at the front of said cover.

Claim 8

Dependent Claim 95 words

An electrical component housing adapted to be mounted on a panel or the like, said component having a flange-like portion at its periphery, comprising: a cover having a series of resilient, axially extending, spaced fingers or tabs at the rim thereof; said fingers having arcuate sections located at the free ends of said fingers, said sections including respective convex leading portions and grooves on their inner surfaces for receiving said flange-like portion at the periphery of said component, thereby firmly retaining the electrical component; a threaded boss extending axially at the front of said cover.

Claim 9

Dependent Claim 35 words

A housing as defined in claim 6, further comprising an electro-acoustic transducer, and in which housing perforations are provided at the end of said boss to permit the emission of sound from said electro-acoustic transducer.

Claim 10

Dependent Claim 27 words

A housing as defined in claim 6, including a cavity or chamber at the interior of said boss for increasing the sound output from said electro-acoustic transducer.

Claim 11

Dependent Claim 28 words

A housing as defined in claim 6, including a narrow flange or ring abutting said component at the front thereof when said component is received into said grooves.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1979-02-09	1979-08-11	1980-02-10	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1983-02-09	1983-08-11	1984-02-10	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1987-02-09	1987-08-11	1988-02-10	$7700.00	Window Closed / Lapsed

Snap-on housing adapted for panel mounting of transducer

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