US4262980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lamp holder
Assignee: CONCORD LIGHTING Ltd
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Filing: 1979-04-26
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Granted: 1981-04-21
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Expires: 1999-04-26
Abstract
Abstract A lamp holder comprising an insulated casing formed in two halves between and by which are located and clamped a mounting socket to receive the base or cap of a lamp. A pair of contacts is associated with said socket and a mounting stirrup cooperates with the casing to permit pivotal movement of the casing relative to the stirrup about an axis transverse and preferably perpendicular to the axis of the mounting socket.
Inventors
- 👤 Robert Heritage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:17
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/14; F21V21/30; F21V19/00; F21V19/006; F21S; F21S8/00; F21S8/03; F21S8/038; F21V23/00; F21V23/001; F21V23/002
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
200 words
A lampholder comprising an insulated casing having an end adapted to receive a lamp base therethrough, said casing being formed in two secured insulated halves, a mounting socket located and clamped between said halves inward of said casing end to receive and mount a lamp base therein, a pair of contacts located and clamped between said halves independently of said mounting socket and inwardly thereof relative to said end, said contacts being associated with the socket for engagement by a socket mounted lamp base, and a mounting stirrup directly mounting the casing to permit pivotal movement of the casing relative to the stirrup about a transverse axis perpendicular to the axis of the mounting socket, said casing halves having opposed arcuate edge portions, said stirrup having a guide part received and slidably retained between the opposed edge portions of the casing halves with and independent of said socket and said contacts, said guide part cooperating with said edge portions to permit said casing halves, with the clamped mounting socket and contacts, to slide around the said guide part, whereby said casing halves directly receive therebetween and constitute the sole means for retaining said mounting socket, said contacts, and said stirrup.
Claim 2
Dependent Claim
200 words
A lampholder comprising an insulated casing having an end adapted to receive a lamp base therethrough, said casing being formed in two secured insulated halves, a mounting socket located and clamped between said halves inward of said casing end to receive and mount a lamp base therein, a pair of contacts located and clamped between said halves independently of said mounting socket and inwardly thereof relative to said end, said contacts being associated with the socket for engagement by a socket mounted lamp base, and a mounting stirrup directly mounting the casing to permit pivotal movement of the casing relative to the stirrup about a transverse axis perpendicular to the axis of the mounting socket, said casing halves having opposed arcuate edge portions, said stirrup having a guide part received and slidably retained between the opposed edge portions of the casing halves with and independent of said socket and said contacts, said guide part cooperating with said edge portions to permit said casing halves, with the clamped mounting socket and contacts, to slide around the said guide part, whereby said casing halves directly receive therebetween and constitute the sole means for retaining said mounting socket, said contacts, and said stirrup.
Claim 3
Dependent Claim
32 words
A lampholder according to claim 1, wherein the guide part of the stirrup is interrupted between its ends to provide a gap through which a conductor cable is taken through the stirrup.
Claim 4
Dependent Claim
15 words
A lampholder according to claim 1, in which the said guide part is of H-section.
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) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |