Patent US1668859A successfully refreshed from Google Patents.
US4064432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tenon for mounting a lighting fixture
Assignee: Kim Lighting Inc
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Filing: 1976-06-11
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Granted: 1977-12-20
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Expires: 1996-06-11
Abstract
Abstract A tenon for mounting a lighting fixture to a support. The tenon has a cavity accessible through a removable cover, inside which a wiring splice can be made to join the wiring from the lighting fixture to other electrical circuitry wiring. The splice can be made and inspected at the tenon without removing the lighting fixture from the tenon or from the support. Means is also provided to mount the tenon to the support, and to mount the fixture to the tenon.
Inventors
- 👤 Wayne W. Compton
- 👤 Richard B. Shaner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:25
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/10; F21V21/116; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7047; Y10T403/7051; Y10T403/7052; Y10T403/7056
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
157 words
A lighting fixture tenon for structurally mounting a fixture to a support, the fixture including wires to be spliced to wiring from the support at a splice within the tenon, said tenon comprising: a structural body having a wall defining an internal cavity and having an aperture in said wall: a cover removably attachable to said wall to close said aperture; fixture mounting means for structurally mounting the lighting fixture to the body; and tenon mounting means for structurally mounting the body to the support comprising an adapter including a shoulder which is so proportioned and arranged as to engage an end surface on said support, an entry portion so proportioned and arranged as to enter said support, and engagement means to hold the adapter to the support, the tenon having openings adjacent to each of said means to admit wires to be spliced inside said cavity, said splice being accessible for inspection by removing the cover.
Claim 2
Dependent Claim
157 words
A lighting fixture tenon for structurally mounting a fixture to a support, the fixture including wires to be spliced to wiring from the support at a splice within the tenon, said tenon comprising: a structural body having a wall defining an internal cavity and having an aperture in said wall: a cover removably attachable to said wall to close said aperture; fixture mounting means for structurally mounting the lighting fixture to the body; and tenon mounting means for structurally mounting the body to the support comprising an adapter including a shoulder which is so proportioned and arranged as to engage an end surface on said support, an entry portion so proportioned and arranged as to enter said support, and engagement means to hold the adapter to the support, the tenon having openings adjacent to each of said means to admit wires to be spliced inside said cavity, said splice being accessible for inspection by removing the cover.
Claim 3
Dependent Claim
15 words
A lighting fixture tenon according to claim 1 in which the said body is tubular.
Claim 4
Dependent Claim
40 words
A lighting fixture tenon according to claim 2 in which the means for mounting the lighting fixture to the tenon comprises an external recess in said tenon for reception of said engagement by fastener means carried by the lighting fixture.
Claim 5
Dependent Claim
20 words
A lighting fixture tenon according to claim 3 in which the recess is a peripheral groove extending around the body.
Claim 6
Dependent Claim
34 words
A lighting fixture tenon according to claim 1 in which the engagement means comprises a fastener engaged to the support and adapted to be brought against the entry portion to hold it in place.
Claim 7
Dependent Claim
21 words
A lighting fixture tenon according to claim 1 in which the engagement means comprises spreader means attached to said entry portion.
Claim 8
Dependent Claim
57 words
A lighting fixture tenon according to claim 6 in which the adapter has a cam surface, and in which said spreader means comprises a spreader member having a cam surface, a spreader bar between said cam surfaces, and means for pulling the spreader member against the spreader bar, whereby to press the spreader bar against said support.
Claim 9
Dependent Claim
43 words
A lighting fixture tenon according to claim 7 in which a plurality of said spreader bars is placed between respective cam surfaces, said spreader bars being interconnected by spring means which tend when relaxed to draw the spreader bars away from the support.
Claim 10
Dependent Claim
35 words
A lighting fixture tenon according to claim 7 in which the means for pulling the spreader member comprises a headed bolt journaled for free rotation in the tenon and threadedly engaged to the spreader member.
Claim 11
Dependent Claim
32 words
A lighting fixture tenon according to claim 7 in which a plurality of said spreader bars is placed between respective cam surfaces, said spreader bars being angularly spaced apart from one another.
Claim 12
Dependent Claim
35 words
A lighting fixture tenon according to claim 10, in which the means for pulling the spreader member comprises a headed bolt journaled for free rotation in the tenon and treadedly engaged to the spreader member.
Claim 13
Dependent Claim
22 words
A lighting fixture tenon according to claim 1 in which circuit means is tenon mounted to the mounting means inside the support.
Claim 14
Dependent Claim
48 words
In combination: a support; electrical circuit wiring inside said support; a lighting fixture including electrical circuit wiring; and a lighting fixture tenon according to claim 1, said wiring being joined in a splice within said tenon, which splice is accessible through said aperture when the cover is removed.
Claim 15
Dependent Claim
32 words
A combination according to claim 13 in which the engagement means comprises a fastener engaged to the support and adapted to be brought against the entry portion to hold it in place.
Claim 16
Dependent Claim
19 words
A combination according to claim 13 in which the engagement means comprises spreader means attached to said entry portion.
Claim 17
Dependent Claim
55 words
A combination according to claim 15 in which the adapter has a cam surface, and in which said spreader means comprises a spreader member having a cam surface, a spreader bar between said cam surfaces, and means for pulling the spreader member against the spreader bar, whereby to press the spreader bar against said support.
Claim 18
Dependent Claim
41 words
A combination according to claim 16 in which a plurality of said spreader bars is placed between respective cam surfaces, said spreader bars being interconnected by spring means which tend when relaxed to draw the spreader bars away from the support.
Claim 19
Dependent Claim
30 words
A combination according to claim 16 in which a plurality of said spreader bars is placed between respective cam surfaces, said spreader bars being angularly spaced apart from one another.
Claim 20
Dependent Claim
33 words
A combination according to claim 18 in which the means for pulling the spreader member comprises a headed bolt journaled for free rotation in the tenon and threadedly engaged to the spreader member.
Claim 21
Dependent Claim
33 words
A combination according to claim 15 in which the means for pulling the spreader member comprises a headed bolt journaled for free rotation in the tenon and threadedly engaged to the spreader member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-12-19 | 1981-06-20 | 1981-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-12-19 | 1985-06-20 | 1985-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-12-19 | 1989-06-20 | 1989-12-20 | $7700.00 | Window Closed / Lapsed |