US3575316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Button-feeding means for sewing machines
Assignee: Necchi SpA
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Filing: 1969-03-27
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Granted: 1971-04-20
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Expires: 1989-03-27
Abstract
Abstract A button-feeding means for sewing machines comprising a plurality of button storage tanks and a device for selectively feeding buttons from any one of said tanks to the machine button clamp.
Inventors
- 👤 Nereo Bianchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:05
CPC Classifications
D; D05; D05B; D05B3/00; D05B3/12; D05B3/22; D05D; D05D2203/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
132 words
A button-feeding means for feeding buttons to the button clamp of a sewing machine, comprising: a plurality of button storage tanks, a chute leading from each tank to a common selector device which includes a discharge slot and is arranged to selectively transmit buttons from either of said chutes to said slot, a control means to determine from which of said chutes said device will transmit buttons to said slot, wherein said selector device includes a movable guide member which defines a button chute means having an inlet and an outlet side respectively arranged to align either of said chutes with said slot, said guide member being movable by said control means to either of various positions which respectively correspond to a different one of said chutes being aligned with said slot.
Claim 2
Dependent Claim
132 words
A button-feeding means for feeding buttons to the button clamp of a sewing machine, comprising: a plurality of button storage tanks, a chute leading from each tank to a common selector device which includes a discharge slot and is arranged to selectively transmit buttons from either of said chutes to said slot, a control means to determine from which of said chutes said device will transmit buttons to said slot, wherein said selector device includes a movable guide member which defines a button chute means having an inlet and an outlet side respectively arranged to align either of said chutes with said slot, said guide member being movable by said control means to either of various positions which respectively correspond to a different one of said chutes being aligned with said slot.
Claim 3
Dependent Claim
83 words
The button-feeding means of claim 1, wherein said guide member defines a separate said chute means for each of said chutes, said chutes and said chute means being telescopically engaged with each otheR at said inlet side of said guide member, said chute means being transversely movable relative to said discharge slot whereby, pursuant to movement of said guide member, said chutes and chute means telescope relative to each other while a different one of said chute means becomes aligned with said slot.
Claim 4
Dependent Claim
45 words
The button-feeding means of claim 1, wherein said control means includes a selector member, one for each of said chutes and easily accessible to the machine operator, each selector member being actuable to displace said guide member to a particular one of said positions thereof.
Claim 5
Dependent Claim
68 words
The button-feeding means of claim 3, said discharge slot being defined by a stationary diaphragm, located adjacent to said chute means outlet side, and including a button displacer member displaceable in a space between said diaphragm and said chute means outlet side, said displacer member being displaceable to engage a button extending between said outlet side and said slot and to push same back into its chute means.
Claim 6
Dependent Claim
54 words
The button-feeding means of claim 4, said button displacer member comprising a platelike member which is pivotable in a plane extending transversely to the direction along which a button must travel in passing from said chute means to said slot, said platelike member being pivotally displaced through actuation of any of said selector members.
Claim 7
Dependent Claim
59 words
The button-feeding means of claim 3, each of said selector members comprising a push member rectilinearly displaceable between an inoperative and operative position relative to said guide member, each said push member being arranged to displace said guide member to a respective different extent pursuant to said push member being individually displaced from said inoperative to said operative position.
Claim 8
Dependent Claim
70 words
The button-feeding means of claim 6, including resilient means urging each said push member towards said inoperative position and lock means adapted to hold one of said push members at a time in said operative position against the urging of said resilient means, said lock means being releasable from locking relationship with any one of said push members pursuant to movement of any other push member into said operative position.
Claim 9
Dependent Claim
54 words
The button-feeding means of claim 6, including a button displacer member movable relative to said guide member outlet side for pushing any button extending partially from said chute means back thereinto, said push members each being arranged to so move said displacer member pursuant to said push members being displaced into said operative position.
Claim 10
Dependent Claim
54 words
The button-feeding means of claim 3, including a rotatable shaft drivingly associated with said guide member, each said selector member being operatively associated to rotate said shaft to a different extent relative to any other selector member in order to displace said guide member to a corresponding different extent to respective said positions thereof.
References Cited (Backward Citations)
US11947A
Cited
US3047193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |