Patent DE906030C successfully refreshed from Google Patents.
US3558091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Channel-beam clamp
Assignee: Bundy Corp
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Filing: 1968-11-18
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Granted: 1971-01-26
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Expires: 1988-11-18
Abstract
Abstract In a suspended ceiling grid system, a channel-beam clamp comprising a C-shaped body member having a channel-receiving notch, a top tab extending downwardly and adapted to hook over a channel, a locking tab adapted to be bent to a vertical position to lock the clamp around the channel, attachment prongs having jaws adapted to clamp a bulb of a ceiling grid member, an inverted U-shaped locking skirt adapted to be slid downwardly over the attachment prongs so that said legs lock the jaws in position on the bulb, and a lance formed in one of the prongs for preventing upward movement of the locking skirt.
Inventors
- 👤 William R Bush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:33
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/16
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
204 words
In a suspended ceiling grid system, a channel-beam clamp comprising first means for attaching to a channel, second means for attaching to a ceiling grid member, said second means including attachment prongs of sheet material formed by slits and having jaws adapted to clamp between them a bulb of a ceiling grid member, a first locking means mounted on the prongs for locking the clamping jaws in place, and second locking means on the prongs for locking the first locking means in place, said first locking means comprising an inverted U-shaped locking skirt having a pair of legs depending from a slotted horizontal base which receives the prongs, said locking skirt being adapted to be slid downwardly over the attachment prongs so that said legs lock the jaws in position on the bulb, said first attaching means comprising a C-shaped body member having an upright portion with top and bottom horizontal portions extending therefrom to define a channel-receiving notch, a top tab extending downwardly from the end of the top horizontal portion and adapted to hook over a channel, and a locking tab extending from the bottom portion and adapted to be bent to a vertical position to lock the clamp around the channel.
Claim 2
Dependent Claim
204 words
In a suspended ceiling grid system, a channel-beam clamp comprising first means for attaching to a channel, second means for attaching to a ceiling grid member, said second means including attachment prongs of sheet material formed by slits and having jaws adapted to clamp between them a bulb of a ceiling grid member, a first locking means mounted on the prongs for locking the clamping jaws in place, and second locking means on the prongs for locking the first locking means in place, said first locking means comprising an inverted U-shaped locking skirt having a pair of legs depending from a slotted horizontal base which receives the prongs, said locking skirt being adapted to be slid downwardly over the attachment prongs so that said legs lock the jaws in position on the bulb, said first attaching means comprising a C-shaped body member having an upright portion with top and bottom horizontal portions extending therefrom to define a channel-receiving notch, a top tab extending downwardly from the end of the top horizontal portion and adapted to hook over a channel, and a locking tab extending from the bottom portion and adapted to be bent to a vertical position to lock the clamp around the channel.
Claim 3
Dependent Claim
28 words
The clamp of claim 1 wherein said second locking means comprises a lance formeD in one of the prongs for preventing upward movement of said first locking means.
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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |