US3664283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for making sleeve plackets
Assignee: Cluett Peabody and Co Inc
•
Filing: 1970-04-06
•
Granted: 1972-05-23
•
Expires: 1990-04-06
Abstract
Abstract Apparatus for making a shirt sleeve placket, including two angled folder plates and a hold-down element for retaining the folded construction in shape for sewing on a profile sewing machine.
Inventors
- 👤 Richard J Mcfalls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:16
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/10; D05D; D05D2303/00; D05D2303/02; D05D2305/00; D05D2305/02; D05D2305/04
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
144 words
Apparatus for making a garment placket or the like comprising: a profile-stitch sewing machine; a work table having a gage for locating a workpiece, the gage located generally below the sewing machine head; a left folder blade, a right folder blade; means for sequentially extending each of said folder blades along mutually opposing paths and for simultaneously retracting said folder blades subsequent to forming said placket, said blades being so arranged as to partially overlap at their tips when extended, and a hold-down element including a clamp adapted to grip the workpiece at the placket fold during stitching after retracting said folder blades, said blades being angularly disposed with respect to each other and to a portion of said workpiece when extended to provide edges against which the workpiece is sequentially folded as each blade is moved into extended position to form the placket.
Claim 2
Dependent Claim
144 words
Apparatus for making a garment placket or the like comprising: a profile-stitch sewing machine; a work table having a gage for locating a workpiece, the gage located generally below the sewing machine head; a left folder blade, a right folder blade; means for sequentially extending each of said folder blades along mutually opposing paths and for simultaneously retracting said folder blades subsequent to forming said placket, said blades being so arranged as to partially overlap at their tips when extended, and a hold-down element including a clamp adapted to grip the workpiece at the placket fold during stitching after retracting said folder blades, said blades being angularly disposed with respect to each other and to a portion of said workpiece when extended to provide edges against which the workpiece is sequentially folded as each blade is moved into extended position to form the placket.
Claim 3
Dependent Claim
19 words
The apparatus of claim 6 wherein the gage is a raised block on the surface of the work table.
Claim 4
Dependent Claim
24 words
The apparatus of claim 6 wherein the respective folder blades are generally rectangular in shape and extend generally the length of the placket opening.
Claim 5
Dependent Claim
20 words
The apparatus of claim 6 wherein the paths of blade movement of the blades form an angle of approximately 90*.
Claim 6
Dependent Claim
16 words
The apparatus of claim 6 wherein the mutually opposing paths of blade movement are diagonal paths.
References Cited (Backward Citations)
US2722903A
Cited
US2934247A
Cited
US3143091A
Cited
US3182616A
Cited
US3483834A
Cited
US3491926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-23 | 1975-11-22 | 1976-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-23 | 1979-11-22 | 1980-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-23 | 1983-11-22 | 1984-05-23 | $7700.00 | Window Closed / Lapsed |