Patent US3633959A successfully refreshed from Google Patents.
US3633959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bobbin grasper
Assignee: Individual
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Filing: 1968-08-05
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Granted: 1972-01-11
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Expires: 1988-08-05
Abstract
Abstract A self-centering compliant bobbin grasper which pneumatically holds empty and full bobbins for transport between a spinning frame and a loading station.
Inventors
- 👤 John K Mccollough
- 👤 Grady H Sanders
- 👤 Charles A Wethington
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:03
CPC Classifications
D; D01; D01H; D01H9/00; D01H9/001; D01H9/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A bobbin holder arrangement comprising: a support, at least two bobbin holder members carried by said support, means resiliently supporting one of said bobbin holder members whereby said one bobbin holder member may move relative to said support and a floating member and a flexible gripping member operably associated with said bobbin holder members to hold bobbins in said members, said one bobbin holder member further including a resilient means to allow movement of said floating member and said flexible gripping member relative to said means to resiliently support said bobbin holder member, said means resiliently supporting said one bobbin holding member including a means to allow said bobbin holder member to self-center itself, said self-centering means including a tapered head portion and a supporting member, an opening in said supporting member, said opening being larger than said tapered head portion, said tapered head portion being supported in said opening providing a space between the walls of said opening and the walls of the tapered head portion.
Claim 2
Dependent Claim
167 words
A bobbin holder arrangement comprising: a support, at least two bobbin holder members carried by said support, means resiliently supporting one of said bobbin holder members whereby said one bobbin holder member may move relative to said support and a floating member and a flexible gripping member operably associated with said bobbin holder members to hold bobbins in said members, said one bobbin holder member further including a resilient means to allow movement of said floating member and said flexible gripping member relative to said means to resiliently support said bobbin holder member, said means resiliently supporting said one bobbin holding member including a means to allow said bobbin holder member to self-center itself, said self-centering means including a tapered head portion and a supporting member, an opening in said supporting member, said opening being larger than said tapered head portion, said tapered head portion being supported in said opening providing a space between the walls of said opening and the walls of the tapered head portion.
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) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |