US3780680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Belt-loop feeder, and strip cutter
Assignee: C AND W SEWING MACHINE
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Filing: 1972-10-02
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Granted: 1973-12-25
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Expires: 1992-10-02
Abstract
Abstract In a preferred embodiment, a belt loop strip receiving, advancing, cutting, and feeding apparatus automatic in operation at least per cycle upon manual initiation of a timer control, the functional parts thereof being pneumatically operated in the predetermined sequence of intermittent actuation of respective parts, the feed strip typically being fed from a source such as a spool or reel, into a feed guide between opposingly pressed feed rollers for advancing intermittently the strip between and past open cutter opposing scissor blades onto a planar plate slide surface along a rearwardly disposed guide rail for aligning advancing strip axially laterally across the plate surface, the scissor blades being actuateable after advancement and alignment, the actuation-closing of the blade simultaneously causing a holder to press downwardly from above the plate surface securingly of the belt loop strip severed from the feed strip, and thereafter the holder being pneumatically advanced forwardly to slideably push the belt loop strip into a sewing machine beltloop receiver at a point angularly to the plate slide surface at which point holding pressure of the holder is insufficient to secure the belt loop severed strip, whereupon the advanced holder withdraws without the severed strip left forwardly at the sewing machine belt-loop receiver, after the return of which, or immediately before the return of which, the scissor blade opens, the opening of the scissor blade simultaneously causing the holder to lift from its holding down position.
Inventors
- 👤 J Shuffield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:01
CPC Classifications
D; D05; D05B; D05B35/00; D05B35/06; D05B35/066; D05B35/068; D05D; D05D2207/00; D05D2207/02; D05D2303/00; D05D2303/20; D05D2305/00; D05D2305/08; D05D2305/12
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
364 words
A belt loop cutter and feeder device, comprising in combination: a feeder platform means including an upper substantially smooth surface with a rearward guide structure extending substantially linearly across and on top of a rearward portion of said surface from a loop material-receiving side of the feeder platform; a loop feeder means for receiving a cut loop and advancing it to a loop-securing position; aligned with said feeder means for permitting movement of linearly-extending elongated belt loop strip material to move past said blade means, for thereafter advancing a blade of said blade means to a material strip-cutting contact position, and for thereafter effecting the cutting through the contact position to sever that portion of the strip material already moved past said blade means; strip material advancer means for advancing belt loop strip material to and past said blade means and onto said feeder platform and into a position for action of said loop feeder means on severed loop strip material; said feeder means, said blade means, and said advancer means being mounted each relative to the other such that the strip material is advanceable one to the other in sequence without any necessity for operator handling thereof, said feeder means including a downwardly spring-biased pressure clamp element over said platform means and a reciprocatably mounted shaft attached supportingly to said clamp element and said shaft being reciprocatable of said clamp element between said guide structure and a forward feeding position portion of said platform including a belt loop retainer means for receiving and preventing retraction-withdrawal of severed loop strip material advanced by the loop feeder means, said feeder means further including reciprocating means for reciprocating said shaft, in which said blade means is adjacent to and aligned with a side edge of said smooth surface of said feeder platform, and including actuating means; said advancer means being advanceable of said strip material onto said smooth surface along said rearward guide structure, and at least one advancing by said advancer means, at least one cutting by said blade means, and at least one feeding by said feeder means being operative automatically upon an operator actuation of the sequence by actuation of said actuating means.
Claim 2
Dependent Claim
364 words
A belt loop cutter and feeder device, comprising in combination: a feeder platform means including an upper substantially smooth surface with a rearward guide structure extending substantially linearly across and on top of a rearward portion of said surface from a loop material-receiving side of the feeder platform; a loop feeder means for receiving a cut loop and advancing it to a loop-securing position; aligned with said feeder means for permitting movement of linearly-extending elongated belt loop strip material to move past said blade means, for thereafter advancing a blade of said blade means to a material strip-cutting contact position, and for thereafter effecting the cutting through the contact position to sever that portion of the strip material already moved past said blade means; strip material advancer means for advancing belt loop strip material to and past said blade means and onto said feeder platform and into a position for action of said loop feeder means on severed loop strip material; said feeder means, said blade means, and said advancer means being mounted each relative to the other such that the strip material is advanceable one to the other in sequence without any necessity for operator handling thereof, said feeder means including a downwardly spring-biased pressure clamp element over said platform means and a reciprocatably mounted shaft attached supportingly to said clamp element and said shaft being reciprocatable of said clamp element between said guide structure and a forward feeding position portion of said platform including a belt loop retainer means for receiving and preventing retraction-withdrawal of severed loop strip material advanced by the loop feeder means, said feeder means further including reciprocating means for reciprocating said shaft, in which said blade means is adjacent to and aligned with a side edge of said smooth surface of said feeder platform, and including actuating means; said advancer means being advanceable of said strip material onto said smooth surface along said rearward guide structure, and at least one advancing by said advancer means, at least one cutting by said blade means, and at least one feeding by said feeder means being operative automatically upon an operator actuation of the sequence by actuation of said actuating means.
Claim 3
Dependent Claim
86 words
A belt loop cutter and feeder device of claim 1, in which said advancer means includes an elongated slide-surface having an axially-extending guide rail means on top thereof guidable of elongated strip material for axial movement of the strip material, and opposingly mounted pincher rotatable wheel-rolls at least one of which is intermittently actuable by said actuation means to rotate in contact with said strip material extending between and in contact with each of the pincher wheels whereby strip material is advanceable slidably along said slide-surface.
Claim 4
Dependent Claim
29 words
A belt loop cutter and feeder device of claim 2, in which said blade means includes two opposing scissor blades, one fixedly mounted and the other intermittently reciprocatably mounted.
Claim 5
Dependent Claim
63 words
A belt loop cutter and feeder device of claim 4, in which said reciprocatably mounted scissor blade is spring biased to an open non-cutting state prior to and subsequent to a cutting movement upon actuation by said actuating means, said actuation means including a plurality of fluid valve and conduit means in combination operatively with a programed timer means actuateable by an operator.
Claim 6
Dependent Claim
51 words
A belt loop cutter and feeder device of claim 4, in which said blade means includes a laterally extending shaft fixedly and rigidly extending from a side of the reciprocatably mounted scissor blade, said laterally extending shaft extending restrainingly beneath the clamp element when the blade is in an open state.
Claim 7
Dependent Claim
113 words
A process comprising in combination: placing an elongated strip of belt-loop strip across a cutting means for cutting-off a predetermined length of said strip, said placing including having the predetermined length lying on a substantially supporting surface about adjacent to said cutting means, and after said placing thereafter cutting-off said predetermined length, and thereafter causing said cut-off predetermined length to move laterally along said surface in a direction about transverse to said cut-off length''s longitudinal axis until the length becomes receivably anchored within a sewing machine belt-loop receiving means, said surface being substantially planAr whereby said causing includes sliding said length across said surface and then downwardly into a recess of the surface.
Claim 8
Dependent Claim
113 words
A process comprising in combination: placing an elongated strip of belt-loop strip across a cutting means for cutting-off a predetermined length of said strip, said placing including having the predetermined length lying on a substantially supporting surface about adjacent to said cutting means, and after said placing thereafter cutting-off said predetermined length, and thereafter causing said cut-off predetermined length to move laterally along said surface in a direction about transverse to said cut-off length''s longitudinal axis until the length becomes receivably anchored within a sewing machine belt-loop receiving means, said surface being substantially planAr whereby said causing includes sliding said length across said surface and then downwardly into a recess of the surface.
Claim 9
Dependent Claim
32 words
A process of claim 1, including manually initiating said placing, and in which after said initiating thereafter said cutting and said causing automatically occur in preprogramed sequence responsive to said initial initiating.
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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |