US3676568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hold-down means for underfloor access housing
Assignee: Hospitality Homes
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Filing: 1971-07-09
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Granted: 1972-07-11
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Expires: 1991-07-09
Abstract
Abstract An underfloor access housing adapted for use with electrical raceway units of the type normally placed in building floors. The access housing spans the distance between adjacent cells and overlies the crests thereof. Separate hold-down means are provided for quickly connecting the access housing to the raceway unit.
Inventors
- 👤 Frank W Fork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:21
CPC Classifications
H; H02; H02G; H02G3/00; H02G3/28; H02G3/283
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
140 words
In an electrical wiring distributing floor structure including electrical raceway units, presenting alternating crests and troughs and providing generally parallel enclosed cells, the crests of a pair of adjacent cells each having an outlet opening, an access housing spanning across one of said troughs and having opposite end portions overlying the crests of said pair of adjacent cells, said access housing including upstanding side walls and end walls enclosing said outlet openings in said crests and a top wall provided with an outlet opening, the improvement comprising: each of said crests having a slot spaced from saiD access housing; and separate hold-down means for detachably retaining each of said end portions of said access housing in overlying engaged relation with the crests of said pair of adjacent cells, each said hold-down means having an end retained in one said slot.
Claim 2
Dependent Claim
140 words
In an electrical wiring distributing floor structure including electrical raceway units, presenting alternating crests and troughs and providing generally parallel enclosed cells, the crests of a pair of adjacent cells each having an outlet opening, an access housing spanning across one of said troughs and having opposite end portions overlying the crests of said pair of adjacent cells, said access housing including upstanding side walls and end walls enclosing said outlet openings in said crests and a top wall provided with an outlet opening, the improvement comprising: each of said crests having a slot spaced from saiD access housing; and separate hold-down means for detachably retaining each of said end portions of said access housing in overlying engaged relation with the crests of said pair of adjacent cells, each said hold-down means having an end retained in one said slot.
Claim 3
Dependent Claim
41 words
The improvement defined in claim 1 wherein at last one of said hold-down means comprises a resilient member having a lower end retained in said one said slot and an upper end hooked over said top wall of said access housing.
Claim 4
Dependent Claim
17 words
The improvement defined in claim 2 wherein said upper end presents serrations engaged with said top wall.
Claim 5
Dependent Claim
39 words
The improvement defined in claim 2 wherein said top wall includes at least one bead which is engaged by said upper end of said resilient member thereby to prevent inadvertent disengagement of said resilient member from said access housing.
Claim 6
Dependent Claim
35 words
The improvement defined in claim 1 wherein at least one of said separate hold-down means comprises a tab having one end joined to said access housing and an opposite end retained in one said slot.
Claim 7
Dependent Claim
24 words
The improvement defined in claim 1 including additional hold-down means comprising a resilient member extending between said access housing and said electrical raceway unit.
Claim 8
Dependent Claim
28 words
The improvement defined in claim 6 wherein said resilient member has a lower end retained in an additional slot formed in one said crest of said adjacent cells.
Claim 9
Dependent Claim
27 words
The improvement defined in claim 6 wherein said resilient member has a lower end retained in an additional slot formed in a bottom wall of said trough.
Claim 10
Dependent Claim
42 words
The improvement defined in claim 6 wherein said separate hold-down means comprise tabs having corresponding ends joined to a common said side wall of said access housing and corresponding opposite ends retained in the slots of the crests of said adjacent cells.
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |