Patent US4197959A successfully refreshed from Google Patents.
US4197959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Covers for electrical receptacles
Assignee: Woodhead Industries LLC
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Filing: 1978-06-14
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Granted: 1980-04-15
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Expires: 1998-06-14
Abstract
Abstract A cover for electrical receptacles having a passageway therethrough for receiving such a receptacle, and having a pivotally mounted closure member spring urged toward overlying closed position relative to the passageway; a flexible flange extending around the passageway for sealingly engaging the cover when the latter is in closed position.
Inventors
- 👤 David E. Kramer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:35
CPC Classifications
H; H02; H02B; H02B1/00; H02B1/015; H02B1/06; H02B1/066
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
291 words
A cover for an electrical receptacle comprising a. a base (1) having a rear face adapted to be abuttingly engaged with a supporting member, and (2) including a resilient, substantially cylindrical-shaped body portion projecting axially, forwardly from said rear face, b. said body portion having a rear end portion adapted to receive a front portion of such a receptacle therein, c. said base having an opening therein in axial alignment with said body portion in position to permit insertion of said front portion of such a receptacle forwardly through said opening into said rear end portion of said body portion, and including (1) a plate disposed rearwardly of said body portion, and (2) a resilient, integral extension of said body portion enveloping the outer peripheral edge of said plate, d. a housing mounted on said base in surrounding relation to said body portion, e. said body portion having a front end portion for the insertion of an electrical plug therethrough into electrical connection with such a receptacle having the front end portion thereof so disposed in said rear end portion of said body portion, f. said housing including a closure member movable into and out of covering relation to said front end portion of said body portion, g. said body portion having annular, inwardly projecting means therein for yieldingly engaging the outer peripheral surface of such a plug when said plug is mounted in said body portion in electrical connection with such a receptacle h. said annular inwardly projecting means comprising (1) an annular, inwardly projecting shoulder in said front end portion of said body portion, and (2) an annular inwardly projecting shoulder disposed between and spaced from said first mentioned shoulder and said rear end portion of said body portion.
Claim 2
Dependent Claim
291 words
A cover for an electrical receptacle comprising a. a base (1) having a rear face adapted to be abuttingly engaged with a supporting member, and (2) including a resilient, substantially cylindrical-shaped body portion projecting axially, forwardly from said rear face, b. said body portion having a rear end portion adapted to receive a front portion of such a receptacle therein, c. said base having an opening therein in axial alignment with said body portion in position to permit insertion of said front portion of such a receptacle forwardly through said opening into said rear end portion of said body portion, and including (1) a plate disposed rearwardly of said body portion, and (2) a resilient, integral extension of said body portion enveloping the outer peripheral edge of said plate, d. a housing mounted on said base in surrounding relation to said body portion, e. said body portion having a front end portion for the insertion of an electrical plug therethrough into electrical connection with such a receptacle having the front end portion thereof so disposed in said rear end portion of said body portion, f. said housing including a closure member movable into and out of covering relation to said front end portion of said body portion, g. said body portion having annular, inwardly projecting means therein for yieldingly engaging the outer peripheral surface of such a plug when said plug is mounted in said body portion in electrical connection with such a receptacle h. said annular inwardly projecting means comprising (1) an annular, inwardly projecting shoulder in said front end portion of said body portion, and (2) an annular inwardly projecting shoulder disposed between and spaced from said first mentioned shoulder and said rear end portion of said body portion.
Claim 3
Dependent Claim
78 words
A cover as defined in claim 1, and in which a. said housing includes a concave-rearwardly supporting frame, b. said frame has an opening therethrough, and c. said base is mounted in said frame with (1) said plate disposed in the rear portion of said frame, and (2) said body portion projecting through said opening in said frame into position wherein said front end portion of said body portion is disposed in forwardly projecting relation to said frame.
Claim 4
Dependent Claim
82 words
A cover as defined in claim 2, and in which a. said closure member is pivotally mounted on said frame for swinging movement between (1) a closed position wherein it is disposed in overlying, abutting, covering engagement with said front end portion of said body portion, and (2) an open position wherein it is disposed in outwardly projecting uncovering relation to said front end portion of said body portion in position to free the latter for insertion of such a plug thereinto.
Claim 5
Dependent Claim
69 words
A cover as defined in claim 2, and in which a. said frame includes a boss projecting forwardly from the front thereof, b. said closure member includes two ears disposed on respective opposite sides of said boss, c. said ears are pivotally connected to said boss for swinging movement relative to the latter into and out of said covering relation to said front end portion of said body portion.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-15 | 1983-10-15 | 1984-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-15 | 1987-10-15 | 1988-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-15 | 1991-10-15 | 1992-04-15 | $7700.00 | Window Closed / Lapsed |