US3333670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Incremental feed mechanism
Assignee: Unisys Corp
•
Filing: 1964-04-30
•
Granted: 1967-08-01
•
Expires: 1984-04-30
Abstract
No abstract record available.
Inventors
- 👤 Zaven A Yazejian
- 👤 Wang Cheng-Hua
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:11
CPC Classifications
F; F16; F16H; F16H31/00; B; B41; B41L; B41L47/00; B41L47/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
A DEVICE OF THE CLASS DESCRIBED: COMPRISING (A) LINKAGE MEANS INCLUDING A PLURALITY OF AT LEAST THREE LINK MEMBERS PIVOTALLY INTERCONNECTED SERIALLY END TO END IN A CHAIN WITH ONE END OF THE CHAIN PIVOTALLY MOUNTED ON FIXED STRUCTURE AND WITH THE OTHER END OF SAID CHAIN POSITIONED FROM SAID ONE END A DISTANCE LESS THAN THE FULLY EXTENDED LENGTH OF SAID CHAIN WHEREBY THE GEOMETRIC RELATIONSHIP OF SAID LINKS WITH EACH OTHER FORMS A ZIG-ZAG PATH PEAKING AT THE INTERCONNECTIONS; (B) INPUT MEANS DISPOSED FOR COACTION WITH SAID LINKAGE MEANS TO ACTUATE SAME AND PIVOT SAID LINK MEMBERS WITH RESPECT TO EACH OTHER; (C) OUTPUT MEANS AT SAID ONE END OF SAID CHAIN DISPOSED FOR COACTION WITH SAID LINKAGE MEANS TO BE OPERATED THEREBY IN RESPONSE TO ACTUATION THEREOF, THE MAGNEITUDE OF THE OUTPUT OF SAID OUTPUT MEANS DEPENDING UPON THE GEOMETRIC RELATIONSHIP BETWEEN SAID PLURALITY OF LINK MEMBERS OF SAID LINKAGE MEANS; AND (D) POSITIONABLE MEANS AT THE OTHER END OF SAID CHAIN OF LINKS SELECTIVELY SETTABLE TO A PLURALITY OF POSITIONS WHEREBY THE DISTANCE BETWEEN THE ENDS OF SAID CHAIN OF LINKS MAY BE VARIED AND COACTING WITH SAID LINKAGE MEANS TO ALTER THE GEOMETRIC RELATIONSHIP BETWEEN SAID PLURALITY OF LINK MEMBERS BY CHANGING THE DISTANCE BETWEEN THE ENDS OF SAID CHAIN OF LINKS THEREBY TO VARY THE MAGNITUDE OF THE OUTPUT OF SAID OUTPUT MEANS.
Claim 2
Independent Claim
229 words
A DEVICE OF THE CLASS DESCRIBED: COMPRISING (A) LINKAGE MEANS INCLUDING A PLURALITY OF AT LEAST THREE LINK MEMBERS PIVOTALLY INTERCONNECTED SERIALLY END TO END IN A CHAIN WITH ONE END OF THE CHAIN PIVOTALLY MOUNTED ON FIXED STRUCTURE AND WITH THE OTHER END OF SAID CHAIN POSITIONED FROM SAID ONE END A DISTANCE LESS THAN THE FULLY EXTENDED LENGTH OF SAID CHAIN WHEREBY THE GEOMETRIC RELATIONSHIP OF SAID LINKS WITH EACH OTHER FORMS A ZIG-ZAG PATH PEAKING AT THE INTERCONNECTIONS; (B) INPUT MEANS DISPOSED FOR COACTION WITH SAID LINKAGE MEANS TO ACTUATE SAME AND PIVOT SAID LINK MEMBERS WITH RESPECT TO EACH OTHER; (C) OUTPUT MEANS AT SAID ONE END OF SAID CHAIN DISPOSED FOR COACTION WITH SAID LINKAGE MEANS TO BE OPERATED THEREBY IN RESPONSE TO ACTUATION THEREOF, THE MAGNEITUDE OF THE OUTPUT OF SAID OUTPUT MEANS DEPENDING UPON THE GEOMETRIC RELATIONSHIP BETWEEN SAID PLURALITY OF LINK MEMBERS OF SAID LINKAGE MEANS; AND (D) POSITIONABLE MEANS AT THE OTHER END OF SAID CHAIN OF LINKS SELECTIVELY SETTABLE TO A PLURALITY OF POSITIONS WHEREBY THE DISTANCE BETWEEN THE ENDS OF SAID CHAIN OF LINKS MAY BE VARIED AND COACTING WITH SAID LINKAGE MEANS TO ALTER THE GEOMETRIC RELATIONSHIP BETWEEN SAID PLURALITY OF LINK MEMBERS BY CHANGING THE DISTANCE BETWEEN THE ENDS OF SAID CHAIN OF LINKS THEREBY TO VARY THE MAGNITUDE OF THE OUTPUT OF SAID OUTPUT MEANS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |