Patent US4819143A successfully refreshed from Google Patents.
US4819143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projector lamp
Assignee: ATELIER fur KUNST und TECHNIK GmbH
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Filing: 1987-08-07
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Granted: 1989-04-04
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Expires: 2007-08-07
Abstract
Abstract A radiator lamp having at least one adjustable light beam. The lamp includes a radiator light and a mirror mounted in alignment with and adjustable relative to the radiator light. A swivel bearing for swiveling the mirror and a telescopically extendable and retractable rod are provided, wherein the swivel bearing is connected to the free end of the rod. Adjustment of the light beam of the lamp is easily possible even when the lamp is mounted at locations which are difficult to reach.
Inventors
- 👤 Clemens Teichmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:47
CPC Classifications
F; F21; F21S; F21S6/00; F21S6/005; F21V; F21V21/00; F21V21/14; F21V21/22; F21V7/00; F21V7/0008
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
133 words
A projection lamp having at least one adjustable light beam, comprising a projection light, a mirror mounted in alignment with and adjustable relative to the projection light, a swivel bearing for swiveling the mirror, a telescopically extendable and retractable rod, the rod having a free end, the swivel bearing being connected to the free end, the telescopically extendable and retractable rod including a base, the projection light including a support member, the base and the support member being connected to a common support rod, the support rod having an upper end, the telescopically extendable and retractable rod being guided in a guide tube, wherein an upper cover plate, a support member for the guide tube and a support member for the projection light are attached to the upper end of the support rod.
Claim 2
Dependent Claim
133 words
A projection lamp having at least one adjustable light beam, comprising a projection light, a mirror mounted in alignment with and adjustable relative to the projection light, a swivel bearing for swiveling the mirror, a telescopically extendable and retractable rod, the rod having a free end, the swivel bearing being connected to the free end, the telescopically extendable and retractable rod including a base, the projection light including a support member, the base and the support member being connected to a common support rod, the support rod having an upper end, the telescopically extendable and retractable rod being guided in a guide tube, wherein an upper cover plate, a support member for the guide tube and a support member for the projection light are attached to the upper end of the support rod.
Claim 3
Dependent Claim
31 words
The lamp according to claim 1, wherein the projection light is mounted in a housing having a rim, the rim being arranged below an opening defined in the upper cover plate.
Claim 4
Dependent Claim
40 words
The lamp according to claim 1, wherein the telescopically extendable and retractable rod is actuated by a lifting motor, and wherein the lifting motor is fastened on the support rod as the basis of the telescopically extendable and retractable rod.
Claim 5
Dependent Claim
19 words
The lamp according to claim 3, wherein the support rod is attached to a drive shaft of a motor.
Claim 6
Dependent Claim
33 words
The lamp according to claim 4, wherein the motor is mounted on a stand with a base, the support rod extending through an eccentrically arranged opening defined in a cover of the base.
Claim 7
Dependent Claim
43 words
The lamp according to claim 5, wherein the upper cover plate and another lower plate are arranged eccentrically on the support rod, and wherein a shielding tube is provided which surrounds and extends between the upper cover plate and the lower cover plate.
Claim 8
Dependent Claim
42 words
The lamp according to claim 6, wherein the upper cover plate and the lower plate have an oval or drop-like shape, and wherein the shielding tube is of sheet metal having longitudinal ends, the longitudinal ends being wound into a rolled-up portion.
Claim 9
Dependent Claim
34 words
The lamp according to claim 7, comprising a rotatably mounted lever for supporting the mirror, a free end of the mirror being in operative connection with an eccentric member driven by a swiveling motor.
Claim 10
Dependent Claim
40 words
The lamp according to claim 9, wherein the swivel bearing and the swivel motor are mounted on a plate which is attached by means of a round rod attachment to the free end of the telescopically extendable and retractable rod.
Claim 11
Dependent Claim
19 words
The lamp according to claim 9, wherein the mirror defines a central opening, a pin closing the central opening.
Claim 12
Dependent Claim
14 words
The lamp according to claim 10, wherein the pin is of fluorescent acrylic glass.
Claim 13
Dependent Claim
35 words
The lamp according to claim 5, wherein the circuit of the gear motor includes a swivel limit switch, and wherein the support rod is operatively connected to an actuating member for the swivel limit switch.
Claim 14
Dependent Claim
29 words
The lamp according to claim 12, comprising a hanging line for supplying current to the swiveling motor, the hanging line being tensioned by means of roller and a weight.
Claim 15
Dependent Claim
39 words
The lamp according to claim 13, wherein switches in the circuits of the gear motors, of the lifting motor, of the swiveling motor and of the projector light are components of a remote control unit mounted in the base.
References Cited (Backward Citations)
GB138558A
Cited
US1476149A
Cited
US1751011A
Cited
US1798083A
Cited
US2379933A
Cited
US2488146A
Cited
US2522189A
Cited
US3459935A
Cited
US4388678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-04-03 | 1992-10-03 | 1993-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-04-03 | 1996-10-03 | 1997-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-04-03 | 2000-10-03 | 2001-04-04 | $7700.00 | Window Closed / Lapsed |