US3223352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Let-off apparatus
Assignee: Goodrich Corp
•
Filing: 1964-02-11
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Granted: 1965-12-14
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Merle A Fuller
- 👤 Raymond J Slezak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:29
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/40; B21; B21C; B21C47/00; B21C47/34; B65H59/02; B65H59/04; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A LET-OFF FOR FLEXIBLE FILAMENTARY MATERIAL COMPRISING: (A) A STATIONARY SUPPORT, (B) MEANS ON SAID SUPPORT ROTATABLY SUPPORTING A SUPPLY SPOOL OF THE FILAMENTARY MATERIAL, (C) A BRAKING SURFACE ON SAID SPOOL SUPPORTING MEANS, (D) A LEVER PIVOTED ON SAID STATIONARY SUPPORT ADJACENT THE SPOOL SUPPORTING MEANS, (E) BRAKE SHOE MEANS MOUNTED ON SAID LEVER FOR BRAKING ENGAGEMENT WITH SAID BRAKING SURFACE TO SELECTIVELY APPLY AND RELEASE BRAKING FORCE UPON SAID SPOOL SUPPORTING MEANS IN RESPONSE TO ROCKING MOVEMENT OF SAID LEVER, (F) GUIDE MEANS FOR THE FILAMENTARY MATERIAL SPPORTED ON SAID LEVER AT A LOCATION SUCH THAT TENSION IN THE FILAMENTARY MATERIAL EXTENDING FROM THE SUPPLY SPOOL OVER SAID GUIDE MEANS APPLIES LEVER ROCKING FORCE IN THE DIRECTION FOR EFFECTING BRAKE RELEASE, (B) A FORCE APPLYING LEVER PIVOTALLY MOUNTED ON SAID STATIONARY SUPPORT AND EXTENDING GENERALLY PARALLEL WITH AND IN SPACED RELATIONSHIP FROM THE FIRST-MENTIONED LEVER, AND (H) LINK MEANS ENGAGING BOTH LEVERS AND MOVABLE LONGITDINALLY THEREALONG TO VARY THE FORCE EXERTED BY THE FORCE APPLYING LEVER UPON THE FIRST-MENTIONED LEVER,
Claim 2
Dependent Claim
172 words
A LET-OFF FOR FLEXIBLE FILAMENTARY MATERIAL COMPRISING: (A) A STATIONARY SUPPORT, (B) MEANS ON SAID SUPPORT ROTATABLY SUPPORTING A SUPPLY SPOOL OF THE FILAMENTARY MATERIAL, (C) A BRAKING SURFACE ON SAID SPOOL SUPPORTING MEANS, (D) A LEVER PIVOTED ON SAID STATIONARY SUPPORT ADJACENT THE SPOOL SUPPORTING MEANS, (E) BRAKE SHOE MEANS MOUNTED ON SAID LEVER FOR BRAKING ENGAGEMENT WITH SAID BRAKING SURFACE TO SELECTIVELY APPLY AND RELEASE BRAKING FORCE UPON SAID SPOOL SUPPORTING MEANS IN RESPONSE TO ROCKING MOVEMENT OF SAID LEVER, (F) GUIDE MEANS FOR THE FILAMENTARY MATERIAL SPPORTED ON SAID LEVER AT A LOCATION SUCH THAT TENSION IN THE FILAMENTARY MATERIAL EXTENDING FROM THE SUPPLY SPOOL OVER SAID GUIDE MEANS APPLIES LEVER ROCKING FORCE IN THE DIRECTION FOR EFFECTING BRAKE RELEASE, (B) A FORCE APPLYING LEVER PIVOTALLY MOUNTED ON SAID STATIONARY SUPPORT AND EXTENDING GENERALLY PARALLEL WITH AND IN SPACED RELATIONSHIP FROM THE FIRST-MENTIONED LEVER, AND (H) LINK MEANS ENGAGING BOTH LEVERS AND MOVABLE LONGITDINALLY THEREALONG TO VARY THE FORCE EXERTED BY THE FORCE APPLYING LEVER UPON THE FIRST-MENTIONED LEVER,
References Cited (Backward Citations)
US1462604A
Cited
US2215121A
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FR787357A
Cited
FR793404A
Cited
US2920840A
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US2983468A
Cited
US3147931A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |