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US3739733A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic point trimming machine for use in shirt making apparatus and the like

Assignee: Ideal Equipment Co Ltd
•
Filing: 1971-06-21
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Granted: 1973-06-19
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Expires: 1991-06-21
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Abstract

Abstract A machine for trimming the points of collars and the like garments comprising a holder having a pair of fixed platens each having a movable platen hinged thereon, guide means between which a collar is placed over the pair of fixed platens, means for clamping the collar between the fixed and movable platens, and means for trimming the points of the collar held between the fixed and movable platens.

Inventors

  • 👤 E Schramayr

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 18:54
CPC Classifications
D; D05; D05B; D05B37/00; D05B37/04

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 185 words
In a machine wherein a plurality of blank pieces of material may be disposed and clamped together on a holder prior to being sewn together to form an inside out collar or the like garment part and wherein, said inside out collar or the like garment part may be unclamped and removed from said holder; said machine comprising: a. a fixed table plate; b. means adjacent said fixed table plate for removably securing said holder in predetermined overlying position with respect to said fixed table plate; c. adjustable table plates secured on said fixed table plate; d. adjustable longitudinal and terminal guide means on said adjustable table plates and adapted to be disposed adjacent said predetermined overlying position of the holder on the fixed table plate; and thereby provide exact guidance for the positioning and centering of the blank pieces of material on said holder prior to the clamping of same thereon; the provision in said machine of means for trimming the points of said inside out collar prior to unclamping same from the holder and after sewing the said blank pieces of material together.
Claim 2
Dependent Claim 185 words
In a machine wherein a plurality of blank pieces of material may be disposed and clamped together on a holder prior to being sewn together to form an inside out collar or the like garment part and wherein, said inside out collar or the like garment part may be unclamped and removed from said holder; said machine comprising: a. a fixed table plate; b. means adjacent said fixed table plate for removably securing said holder in predetermined overlying position with respect to said fixed table plate; c. adjustable table plates secured on said fixed table plate; d. adjustable longitudinal and terminal guide means on said adjustable table plates and adapted to be disposed adjacent said predetermined overlying position of the holder on the fixed table plate; and thereby provide exact guidance for the positioning and centering of the blank pieces of material on said holder prior to the clamping of same thereon; the provision in said machine of means for trimming the points of said inside out collar prior to unclamping same from the holder and after sewing the said blank pieces of material together.
Claim 3
Dependent Claim 75 words
A machine as defined in claim 1, wherein each of the means for trimming the collar points comprises a frame secured to one of the adjustable table plates of the machine and holding a knife tongue, a movable knife arm pivotally mounted on said frame at one end thereof and carrying a knife cooperating with said knife tongue at the other end thereof, and means for operating said knife arm for trimming said collar points.
Claim 4
Dependent Claim 57 words
A machine as claimed in claim 2, wherein said means for operating said knife arm comprises a bracket pivotally mounted on said knife arm at a point intermeDiate the ends thereof, and a fluid pressure responsive double acting piston unit comprising a cylinder pivotally mounted on said frame and a piston rod fixedly connected to said bracket.
Claim 5
Dependent Claim 37 words
A machine as claimed in claim 2, further comprising means for positioning said frame on said one of said adjustable tables and with respect to said collar for accurately trimming one of the points of said collar.
Claim 6
Dependent Claim 20 words
A machine as claimed in claim 1, wherein said adjustable table plates are movable longitudinally for accommodating various collar sizes.
Claim 7
Dependent Claim 50 words
A machine as claimed in claim 5, wherein each holder comprises a base support, a pair of fixed platens, a movable platen hingedly connected to each fixed platen, each fixed platen being associated with one of the said movable table plates and similarly movable longitudinally for accommodating various collar sizes.
Claim 8
Dependent Claim 35 words
A machine as claimed in claim 6, wherein the said guide means are provided on the adjustable table plates for engaging the blank pieces of material along the edges thereof which are to be sewn.
Claim 9
Dependent Claim 50 words
A machine as claimed in claim 7, wherein there are provided powered means for causing the release of the clamping action of the holder on the inside out collar and switch means for actuating said powered means, said switch means automatically causing simultaneous actuation of the collar point trimming means.

References Cited (Backward Citations)

US3216383A Cited
US3405670A Cited
US3407759A Cited
DE1941423A1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-06-18 1976-12-18 1977-06-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-06-18 1980-12-18 1981-06-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-06-18 1984-12-18 1985-06-19 $7700.00 Window Closed / Lapsed

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