Patent US2218916A successfully refreshed from Google Patents.
Patent US3257518A successfully refreshed from Google Patents.
US3257518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn tension control device
Assignee: Stop Motion Devices Corp
•
Filing: 1964-04-13
•
Granted: 1966-06-21
•
Expires: 1984-04-13
Abstract
No abstract record available.
Inventors
- 👤 Vossen Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:26
CPC Classifications
B; B65; B65H; B65H59/00; B65H59/10; B65H59/20; B65H59/26; B65H59/28; B65H59/40; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A MACHINE STOPPING AND SIGNALLING DEVICE CONTROLLED BY THE TENSION IN YARN OR THE LIKE TRAVELLING FROM A SOURCE OF SUPPLY TO A WORK STATION, INCLUDING INTERFITTING MOVABLE AND FIXED ARM MEANS ABOUT WHICH THE YARN TRAVELS, A SHAFT CONNECTED TO AND OPERABLE BY SAID MOVABLE ARM MEANS, HAVING AN OFFSET ROLLER PORTION AND A CONTACT FINGER, SPACED CONTACT MEANS ADAPTED TO BE CONNECTED INTO A MACHINE CONTROLLING SIGNAL CIRCUIT AND BETWEEN WHICH CONTACT MEANS SAID CONTACT FINGER MOVES TO ENGAGE EITHER CONTACT MEANS TO COMPLETE SAID CIRCUIT, SPRING URGED LEVER MEANS HAVING A FREE END IN YIELDABLE ENGAGEMENT WITH SAID ROLLER PORTION BIASING THE MOVABLE ARM MEANS UPWARDLY AGAINST THE RESISTANCE OF SAID YARN TENSION, AND INDICATOR MEANS ADJUSTABLE LENGTHWISE OF SAID LEVER MEANS APPLYING PRESSURE THERETO TO VARY THE RESISTANCE OF SAID MOVABLE ARM MEANS TO MOVEMENT BY THE YARN, SAID MOVABLE AND FIXED ARM MEANS BEING LATERALLY SPACED AND
Claim 2
Dependent Claim
152 words
A MACHINE STOPPING AND SIGNALLING DEVICE CONTROLLED BY THE TENSION IN YARN OR THE LIKE TRAVELLING FROM A SOURCE OF SUPPLY TO A WORK STATION, INCLUDING INTERFITTING MOVABLE AND FIXED ARM MEANS ABOUT WHICH THE YARN TRAVELS, A SHAFT CONNECTED TO AND OPERABLE BY SAID MOVABLE ARM MEANS, HAVING AN OFFSET ROLLER PORTION AND A CONTACT FINGER, SPACED CONTACT MEANS ADAPTED TO BE CONNECTED INTO A MACHINE CONTROLLING SIGNAL CIRCUIT AND BETWEEN WHICH CONTACT MEANS SAID CONTACT FINGER MOVES TO ENGAGE EITHER CONTACT MEANS TO COMPLETE SAID CIRCUIT, SPRING URGED LEVER MEANS HAVING A FREE END IN YIELDABLE ENGAGEMENT WITH SAID ROLLER PORTION BIASING THE MOVABLE ARM MEANS UPWARDLY AGAINST THE RESISTANCE OF SAID YARN TENSION, AND INDICATOR MEANS ADJUSTABLE LENGTHWISE OF SAID LEVER MEANS APPLYING PRESSURE THERETO TO VARY THE RESISTANCE OF SAID MOVABLE ARM MEANS TO MOVEMENT BY THE YARN, SAID MOVABLE AND FIXED ARM MEANS BEING LATERALLY SPACED AND
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) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |