US3948296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frame stave for heald frame of weaving machine
Assignee: Grob and Co AG
•
Filing: 1975-01-20
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Granted: 1976-04-06
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Expires: 1995-01-20
Abstract
Abstract A frame stave for a weaving machine heald frame is provided with an insert 4 or 6 to maintain the side walls 1, 2 under tension and thereby damp out resonant vibrations in the stave to reduce the operating noise level.
Inventors
- 👤 Bernhard R. Koch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:19
CPC Classifications
D; D03; D03C; D03C9/00; D03C9/06; D03C9/0608; D03C9/0616; D03C9/0625; D03C9/0691
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
95 words
In a hollow metal frame stave for a weaving machine heald frame having two generally parallel sidewalls which define a hollow space therebetween, the improvement comprising insert means to place the sidewalls under tension, placed within and secured to said hollow frame stave substantially in the center thereof such that the height of said insert means extends over a portion of the height of the hollow space, and the insert means extends substantially along the entire length of said frame so as to minimize the generation of audible vibrations during operation of the weaving machine.
Claim 2
Dependent Claim
95 words
In a hollow metal frame stave for a weaving machine heald frame having two generally parallel sidewalls which define a hollow space therebetween, the improvement comprising insert means to place the sidewalls under tension, placed within and secured to said hollow frame stave substantially in the center thereof such that the height of said insert means extends over a portion of the height of the hollow space, and the insert means extends substantially along the entire length of said frame so as to minimize the generation of audible vibrations during operation of the weaving machine.
Claim 3
Dependent Claim
46 words
The improved frame stave of claim 1 wherein a. the width of said insert means is less than the distance between said sidewalls, and b. fastening means are inserted through said insert means and said sidewalls to bring said sidewalls into contact with said insert means.
Claim 4
Dependent Claim
33 words
The improved frame stave of claim 1 wherein the width of the insert means is greater than the distance between said sidewalls so as to slightly, outwardly deform said sidewalls when inserted therebetween.
Claim 5
Dependent Claim
36 words
A frame stave according to claim 1 wherein the insert means is kept in its position by means of grooves on at least the inner side of one of the side walls of the frame stave.
Claim 6
Dependent Claim
36 words
A frame stave according to claim 1 wherein the insert means is kept in its position by means of ribs on at least the inner side of one of the side walls of the frame stave.
References Cited (Backward Citations)
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FR1181962A
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Cited
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Cited
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Cited
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Cited
NL6911347A
Cited
US3633706A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |