US3749036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hook bar adjustment means for tufting machines
Assignee: Singer Co Ltd
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Filing: 1972-01-13
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Granted: 1973-07-31
•
Expires: 1992-01-13
Abstract
Abstract A looper shaft assembly for a tufting machine is provided with an adjustment means for varying the angularity of the looper bar relative to the looper shaft, the adjustment means including a screw carried by the looper bar mounting bracket and cooperating with a lug secured to the looper shaft.
Inventors
- 👤 H Priestley
- 👤 J Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:02
CPC Classifications
D; D05; D05C; D05C15/00; D05C15/04; D05C15/08; D05C15/16; D05C15/22
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
59 words
A hook shaft assembly for a tufting machine and comprising a hook shaft, a hook bar mounted longitudinally thereof and mounting brackets supporting the said bar at a requisite angular position relative to the shaft, the improvement comprising an adjustment means between the brackets and shaft adapted to effect an angular adjustment of the brackets relative to the shaft.
Claim 2
Dependent Claim
59 words
A hook shaft assembly for a tufting machine and comprising a hook shaft, a hook bar mounted longitudinally thereof and mounting brackets supporting the said bar at a requisite angular position relative to the shaft, the improvement comprising an adjustment means between the brackets and shaft adapted to effect an angular adjustment of the brackets relative to the shaft.
Claim 3
Dependent Claim
45 words
A hook shaft assembly as claimed in claim 1 wherein the adjustment means includes an adjustment screw operatively connected to one of the parts to be joined and a reaction lug secured to the other of such parts and with which such adjustment screw coacts.
Claim 4
Dependent Claim
28 words
A hook shaft assembly as claimed in claim 2 wherein the adjustment screw is operatively connected with a bracket and the reaction lug is provided on the shaft.
Claim 5
Dependent Claim
23 words
A hook shaft assembly as claimed in claim 3 wherein an adjustment screw is disposed between and is common to two adjacent brackets.
Claim 6
Dependent Claim
24 words
A hook shaft assembly as claimed in claim 3 wherein the adjustment screw comprises an eye-bolt mounted on a rod secured to the bracket.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-30 | 1977-01-29 | 1977-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-30 | 1981-01-29 | 1981-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-30 | 1985-01-29 | 1985-07-31 | $7700.00 | Window Closed / Lapsed |