US4641989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe hanger extension clip
Assignee: JOULE' Inc A CORP OF NEW JERSEY
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Filing: 1986-02-13
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Granted: 1987-02-10
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Expires: 2006-02-13
Abstract
Abstract An extension clip is disclosed for attaching threaded end portions to a plain rod. The clip is cut from flat metal plate and is shaped into a hollow form having clinch-type ears at one end for gripping the plain rod and inwardly bent tabs at its opposite end to form means for threadedly engaging threaded rod end portions. Intermediate to the clinch ears and the thread forming tabs additional tabs are provided which act as stops for determining the position of the plain rod and the threaded rod ends in the clip.
Inventors
- 👤 Frank J. Maddi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:48
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/18; F16B7/182; F16B37/00; F16B37/02; F16B7/04; F16B7/0406; F16B7/0426; F16L; F16L3/00; F16L3/08; F16L3/10; F16L3/11; F16L3/12; F16L3/133; Y; Y10; Y10T; Y10T403/00; Y10T403/57; Y10T403/5706; Y10T403/5713; Y10T403/5733
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
85 words
An improved extension clip for connecting a smooth rod to a threaded rod comprising: a hollow body with rod engaging clinch ears positioned at one end of said body, thread forming means at an opposite end of said body; and stop means positioned within the body intermediate said clinch ears and said thread forming means for positioning said smooth rod and said threaded rod; said body having a pair of said clinch ears; and each clinch ear having an angled end portion including a V-notch.
Claim 2
Dependent Claim
85 words
An improved extension clip for connecting a smooth rod to a threaded rod comprising: a hollow body with rod engaging clinch ears positioned at one end of said body, thread forming means at an opposite end of said body; and stop means positioned within the body intermediate said clinch ears and said thread forming means for positioning said smooth rod and said threaded rod; said body having a pair of said clinch ears; and each clinch ear having an angled end portion including a V-notch.
Claim 3
Dependent Claim
20 words
The extension clip as claimed in claim 1 in which said stop means comprises a pair of inwardly bent tabs.
Claim 4
Dependent Claim
30 words
The extension clip as claimed in claim 1 in which said thread forming means comprises a pair of inwardly bent and apertured tabs each having a thread engaging tooth thereon.
Claim 5
Dependent Claim
74 words
An improved extension clip for connecting a smooth rod to a threaded rod-end comprising: a hollow body; a pair of rod engaging clinch ear tabs formed at one end of said body; a pair of thread forming tabs formed on the opposite end of said body; and stop tab means extending into the clip body intermediate said clinch ears and said thread tabs for axially positioning said rod and said rod-end within said clip.
Claim 6
Dependent Claim
74 words
An improved extension clip for connecting a smooth rod to a threaded rod-end comprising: a hollow body; a pair of rod engaging clinch ear tabs formed at one end of said body; a pair of thread forming tabs formed on the opposite end of said body; and stop tab means extending into the clip body intermediate said clinch ears and said thread tabs for axially positioning said rod and said rod-end within said clip.
Claim 7
Dependent Claim
21 words
The extension clip as claimed in claim 4 further comprising each clinch ear having an angled inner end including a V-notch.
Claim 8
Dependent Claim
20 words
The extension clip as claimed in claim 4 in which said stop means comprises a pair of inwardly bent tabs.
Claim 9
Dependent Claim
25 words
The extension clip as claimed in claim 4 in which said thread forming tabs have a rod receiving aperture therein with a thread engaging tooth.
Claim 10
Dependent Claim
84 words
An improved method of forming a threaded rod end comprising the steps of: providing a smooth rod cut to a length shorter than the completed threaded rod; providing a relatively short threaded rod of approximately the same diameter as the smooth rod and clipping the threaded rod to the smooth rod employing a hollow extension clip; attaching said extension clip to the smooth rod by clinching it to the smooth rod and attaching the threaded rod to said extension clip by threading it thereto.
Claim 11
Dependent Claim
84 words
An improved method of forming a threaded rod end comprising the steps of: providing a smooth rod cut to a length shorter than the completed threaded rod; providing a relatively short threaded rod of approximately the same diameter as the smooth rod and clipping the threaded rod to the smooth rod employing a hollow extension clip; attaching said extension clip to the smooth rod by clinching it to the smooth rod and attaching the threaded rod to said extension clip by threading it thereto.
Claim 12
Dependent Claim
25 words
The method as claimed in claim 8 which comprises using fixed stop to position the smooth rod and the threaded rod within the extension clip.
Claim 13
Dependent Claim
20 words
The method as claimed in claim 8 which further comprises clipping threaded rods to both ends of the smooth rod.
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) | 1990-02-09 | 1990-08-11 | 1991-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-09 | 1994-08-11 | 1995-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-09 | 1998-08-11 | 1999-02-10 | $7700.00 | Window Closed / Lapsed |