Patent EP0534839A1 successfully refreshed from Google Patents.
US3870133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable drums
Assignee: Individual
•
Filing: 1973-09-10
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Granted: 1975-03-11
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Expires: 1993-09-10
Abstract
Abstract A cable drum comprising a carrier, a drum body for taking an extension cable and having a cylindrical part with first and second axially spaced end walls, and a plug base having at least one socket connected electrically with an extension cable, the drum body incorporating a holder for a lamp and a switch enabling electrical connection to be established between the lamp and the extension cable.
Inventors
- 👤 Hugo Brennenstuhl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:50
CPC Classifications
H; H02; H02G; H02G11/00; H02G11/02
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
120 words
A cable drum, particularly for household, workshops, building sites and the like, comprising a carrier, a drum body for taking an extension cable containing a cylindrical part with a first and second end wall on its axial ends and with a plug base having at least one socket connected electrically with an extension cable in which the drum body has a holder and a lamp and a switch for the electrical connection between the lamp and the extension cable, and in which the switch is arranged in the region of the plug base on the first end wall and the holder and lamp is placed in a central opening in the second end wall opposite to the first end wall.
Claim 2
Dependent Claim
120 words
A cable drum, particularly for household, workshops, building sites and the like, comprising a carrier, a drum body for taking an extension cable containing a cylindrical part with a first and second end wall on its axial ends and with a plug base having at least one socket connected electrically with an extension cable in which the drum body has a holder and a lamp and a switch for the electrical connection between the lamp and the extension cable, and in which the switch is arranged in the region of the plug base on the first end wall and the holder and lamp is placed in a central opening in the second end wall opposite to the first end wall.
Claim 3
Dependent Claim
120 words
A cable drum, particularly for household, workshops, building sites and the like, comprising a carrier, a drum body for taking an extension cable containing a cylindrical part with a first and second end wall on its axial ends and with a plug base having at least one socket connected electrically with an extension cable in which the drum body has a holder and a lamp and a switch for the electrical connection between the lamp and the extension cable, and in which the switch is arranged in the region of the plug base on the first end wall and the holder and lamp is placed in a central opening in the second end wall opposite to the first end wall.
Claim 4
Dependent Claim
120 words
A cable drum, particularly for household, workshops, building sites and the like, comprising a carrier, a drum body for taking an extension cable containing a cylindrical part with a first and second end wall on its axial ends and with a plug base having at least one socket connected electrically with an extension cable in which the drum body has a holder and a lamp and a switch for the electrical connection between the lamp and the extension cable, and in which the switch is arranged in the region of the plug base on the first end wall and the holder and lamp is placed in a central opening in the second end wall opposite to the first end wall.
Claim 5
Dependent Claim
37 words
A cable drum according to claim 1 in which the lamp is covered with a cover of translucent material which is connected with the second end wall for example by means of a screw or snap connection.
Claim 6
Dependent Claim
30 words
A cable drum according to claim 2 in which between the inner space of the cover containing the lamp and the second end wall a heat insulating plate is arranged.
Claim 7
Dependent Claim
47 words
A cable drum according to claim 2 in which the cover is connected so as to rotate with the holder and the holder is arranged to rotate in the second end wall, a rotation of the cover and thus of the holder causing operation of the switch.
Claim 8
Dependent Claim
76 words
A cable drum according to claim 2 in which the second end surface contains an annular groove in which the edge of the cover fits and there is at least one hole in the second end surface in a radial direction from the periphery of the second end surface into the annular groove, a screw being screwed into this in such a way that the end of the screw abuts against the edge of the cover.
Claim 9
Dependent Claim
28 words
A cable drum according to claim 1 in which ventilation openings are provided for heat removal in the end wall of the drum body and in the cover.
Claim 10
Dependent Claim
20 words
A cable drum according to claim 1 in which blocks are provided on the first end side serving as feet.
Claim 11
Dependent Claim
43 words
A cable drum according to claim 1 in which the drum body is mounted in a rotatable fashion in a housing shutting off the space in the drum body containing the extension cable from outside and the carrier is fastened to the housing.
Claim 12
Dependent Claim
37 words
A cable drum according to claim 8 in which plug holes are provided on the carrier the distance between them being such that the contacts on the plug on the extension cable can be pushed into them.
Claim 13
Dependent Claim
47 words
A cable drum according to claim 1 in which the carrier has a U-shape and extends like a bow in the direction of a diameter of the drum body over the lamp and is connected to the second end wall with the free end of its legs.
Claim 14
Dependent Claim
38 words
A cable drum according to claim 10 in which the carrier connected to the second end wall is carried in a rotatable fashion on the second end wall and can rotate about the axis of the drum body.
Claim 15
Dependent Claim
24 words
A cable drum according to claim 1 in which at least one hanging hole is provided on the carrier and/or on the end wall.
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) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |