Patent US3084648A successfully refreshed from Google Patents.
US3084648A
Expired / Lapsed
US
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Lubricating devices for sewing machine loop taker
Assignee: Singer Co
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Filing: 1962-02-26
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Granted: 1963-04-09
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Expires: 1982-02-26
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Ketterer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:10
CPC Classifications
F; F16; F16N; F16N13/00; F16N13/20; D; D05; D05B; D05B71/00; D05B71/02; F16N7/00; F16N7/36; F16N2013/205; F16N2210/00; F16N2210/32; F16N2270/00; F16N2270/20; F16N2270/22; F16N2270/26; F16N2270/60; F16N2270/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A LUBRICATING DEVICE FOR THE LOOP TAKER RACEWAY OF A SEWING MACHINE HAVING A CASING, A LUBRICANT RESERVOIR IN SAID CASING, A LOOP TAKER DRIVE SHAFT JOURNALED IN SAID CASING AND COMMUNICATING LUBRICANT CONDUIT MEANS FORMED IN SAID LOOP TAKER AND IN SAID LOOP TAKER DRIVE SHAFT, SAID LUBRICATING DEVICE COMPRISING A PUMP HOUSING FORMED WITH A TRANSVERSE BORE SNUGLY EMBRACING SAID LOOP TAKER DRIVE SHAFT, MEANS FOR FIXEDLY SECURING SAID PUMP HOUSING RELATIVELY TO SAID SEWING MACHINE CASING, A PORTION OF SAID PUMP HOUSING DEPENDING INTO SAID LUBRICANT RESERVOIR AND FORMED WITH A LONGITUDINAL BORE JOINING SAID TRANVERSE BORE AND OPENING ONTO SAID LUBRICANT RESERVOIR, SAID LONGITUDINAL BORE HAVING AN AXIS INTERSECTING THE AXIS OF SAID TRANSVERSE BORE IN NON-PERPENDICULAR RELATION, A PUMP SHAFT FORMED WITH AN EXTERNAL SPIRAL GROOVE JOURNALED IN SAID LONGITUDINAL BORE, SAID PUMP SHAFT BEING FORMED WITH A RIGHT CIRCULAR EXTREMITY CONTIGUOUS TO SAID LOOP TAKER DRIVE SHAFT, AND SPRING MEANS FOR URGING SAID RIGHT CIRCULAR EXTREMITY OF SAID PUMP SHAFT INTO ENGAGEMENT WITH SAID LOOP TAKER DRIVE SHAFT.
Claim 2
Dependent Claim
174 words
A LUBRICATING DEVICE FOR THE LOOP TAKER RACEWAY OF A SEWING MACHINE HAVING A CASING, A LUBRICANT RESERVOIR IN SAID CASING, A LOOP TAKER DRIVE SHAFT JOURNALED IN SAID CASING AND COMMUNICATING LUBRICANT CONDUIT MEANS FORMED IN SAID LOOP TAKER AND IN SAID LOOP TAKER DRIVE SHAFT, SAID LUBRICATING DEVICE COMPRISING A PUMP HOUSING FORMED WITH A TRANSVERSE BORE SNUGLY EMBRACING SAID LOOP TAKER DRIVE SHAFT, MEANS FOR FIXEDLY SECURING SAID PUMP HOUSING RELATIVELY TO SAID SEWING MACHINE CASING, A PORTION OF SAID PUMP HOUSING DEPENDING INTO SAID LUBRICANT RESERVOIR AND FORMED WITH A LONGITUDINAL BORE JOINING SAID TRANVERSE BORE AND OPENING ONTO SAID LUBRICANT RESERVOIR, SAID LONGITUDINAL BORE HAVING AN AXIS INTERSECTING THE AXIS OF SAID TRANSVERSE BORE IN NON-PERPENDICULAR RELATION, A PUMP SHAFT FORMED WITH AN EXTERNAL SPIRAL GROOVE JOURNALED IN SAID LONGITUDINAL BORE, SAID PUMP SHAFT BEING FORMED WITH A RIGHT CIRCULAR EXTREMITY CONTIGUOUS TO SAID LOOP TAKER DRIVE SHAFT, AND SPRING MEANS FOR URGING SAID RIGHT CIRCULAR EXTREMITY OF SAID PUMP SHAFT INTO ENGAGEMENT WITH SAID LOOP TAKER DRIVE SHAFT.
References Cited (Backward Citations)
US2209336A
Cited
US2791193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |