US3569671A — Plug-in electrical heating unit

Claim 1

Independent Claim 277 words

A plug-in electrical heating unit having a sheathed heating element providing a pair of spaced exposed end terminals held in parallel relation by a metallic elongated transverse plate mounted on the sheath adjacent the exposed end terminals and an electric receptacle for removably receiving the exposed end terminals of the heating unit and including a mounting bracket for such receptacle, wherein the improvement comprises: a. a metallic mounting bracket for the receptacle having a top wall and yieldable depending sidewalls, b. a hollow dielectric receptacle adapted to be mounted between said yieldable sidewalls of said bracket and providing a housing for the terminal-receiving ends of terminal connectors, c. said receptacle having a front wall provided with spaced inwardly tapered openings communicating with separate enlarged chambers which extend through the rear wall of the receptacle and which are defined by a peripheral lip about the rear edge of the receptacle, d. a carrying member for the terminal connectors adapted to be mounted on the rear wall of the receptacle within the peripheral lip thereof so as to substantially close the separate chambers provided within said receptacle, e. a pair of terminal connectors frictionally mounted on said carrying member, with the terminal-receiving end of each positioned within a respective chamber and in alignment with one of said tapered openings formed in the front wall of said receptacle, f. means provided by the sidewalls of said mounting brackets and by corresponding sides of said receptacle for connecting said receptacle between said yieldable sidewalls, and g. means provided by certain ends of said sidewalls for connecting said carrying member onto the rearwall of said receptacle, within the peripheral lip provided thereby.

Claim 2

Dependent Claim 277 words

A plug-in electrical heating unit having a sheathed heating element providing a pair of spaced exposed end terminals held in parallel relation by a metallic elongated transverse plate mounted on the sheath adjacent the exposed end terminals and an electric receptacle for removably receiving the exposed end terminals of the heating unit and including a mounting bracket for such receptacle, wherein the improvement comprises: a. a metallic mounting bracket for the receptacle having a top wall and yieldable depending sidewalls, b. a hollow dielectric receptacle adapted to be mounted between said yieldable sidewalls of said bracket and providing a housing for the terminal-receiving ends of terminal connectors, c. said receptacle having a front wall provided with spaced inwardly tapered openings communicating with separate enlarged chambers which extend through the rear wall of the receptacle and which are defined by a peripheral lip about the rear edge of the receptacle, d. a carrying member for the terminal connectors adapted to be mounted on the rear wall of the receptacle within the peripheral lip thereof so as to substantially close the separate chambers provided within said receptacle, e. a pair of terminal connectors frictionally mounted on said carrying member, with the terminal-receiving end of each positioned within a respective chamber and in alignment with one of said tapered openings formed in the front wall of said receptacle, f. means provided by the sidewalls of said mounting brackets and by corresponding sides of said receptacle for connecting said receptacle between said yieldable sidewalls, and g. means provided by certain ends of said sidewalls for connecting said carrying member onto the rearwall of said receptacle, within the peripheral lip provided thereby.

Claim 3

Dependent Claim 145 words

A plug-in electrical heating unit as defined in claim 7 wherein said means provided by the sidewalls of said mounting brackets and by the corresponding sides of said receptacle for connecting the same between said sidewalls, comprises horizontally aligned apertures formed in each of said sidewalls of said bracket adapted to receive and hold laterally extending bosses formed on the sidewalls of said receptacle when the same is positioned between said yieldable sidewalls, and wherein said means provided by certain ends of said sidewalls for connecting said carrying member onto the rear wall of said receptacle comprises corner tabs bent at right angles to said sidewalls about corresponding corners of said peripheral lip provided by said rear wall of said receptacle and extending over corresponding corners of said carrying member to connect the same together in an assembled condition between said sidewalls of said bracket.

Claim 4

Dependent Claim 86 words

A plug-in electricaL heating unit as defined by claim 1, including resilient terminal guide and grounding fingers struck from portions of said sidewalls of said mounting bracket out of the plane thereof in the direction of said front wall of said receptacle so as to have contact with the elongated transverse plate mounted on the sheathed heating element of said heating unit, to guide and ground the same when the exposed end terminals thereof are inserted into said receptacle and into contact with said terminal connectors.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1974-03-08	1974-09-07	1975-03-09	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1978-03-08	1978-09-07	1979-03-09	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1982-03-08	1982-09-07	1983-03-09	$7700.00	Window Closed / Lapsed

Plug-in electrical heating unit

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