US4457050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snap-fit button
Assignee: YKK Corp
•
Filing: 1982-02-02
•
Granted: 1984-07-03
•
Expires: 2002-02-02
Abstract
Abstract A button assembly is disclosed for attachment on a garment fabric, which assembly comprises a female or button part having an apertured shank and a male or fastener part having a pointed shank for insertion into the aperture of the female shank. The button assembly is provided with means for expelling the air entrapped within the aperture of the female shank which would otherwise cause rupture of the button part.
Inventors
- 👤 Yoshihiro Kanzaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:37
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/28; A44B1/36; A44B1/34; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3651; Y10T24/3655; Y10T24/366; Y10T24/42
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
163 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said female shank and opening into said axial bore in said female shank.
Claim 2
Dependent Claim
163 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said female shank and opening into said axial bore in said female shank.
Claim 3
Dependent Claim
153 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said male shank.
Claim 4
Dependent Claim
153 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said male shank.
Claim 5
Dependent Claim
154 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one groove extending axially in said conical end portion.
Claim 6
Dependent Claim
154 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one groove extending axially in said conical end portion.
Claim 7
Dependent Claim
172 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said male shank, and at least one groove extending axially in said conical end portion, said groove being merged with said slot.
Claim 8
Dependent Claim
172 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said male shank, and at least one groove extending axially in said conical end portion, said groove being merged with said slot.
Claim 9
Dependent Claim
163 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion and a plurality of annular locking ribs, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said male shank across said ribs.
Claim 10
Dependent Claim
163 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion and a plurality of annular locking ribs, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one slot extending axially in said male shank across said ribs.
Claim 11
Dependent Claim
163 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion and a plurality of annular locking ribs, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one axial slot formed only in and across said annular ribs.
Claim 12
Dependent Claim
163 words
A button comprising: (a) a button part including a base and a female shank extending from said base and having therein an axial bore open at one end and extending at the other end into said base, said other end being closed; (b) a fastener part having a head and a male shank extending from said head and adapted to fit forcibly into said axial bore in said female shank, said male shank being complementary in shape to said axial bore and having an enlarged conical end portion and a plurality of annular locking ribs, said conical end portion having a maximum free diameter larger than the inside diameter of said axial bore; and (c) one of said female shank and said male shank having passage means for allowing air to escape from said axial bore when said male shank is forced axially into said bore, said passage means comprising at least one axial slot formed only in and across said annular ribs.
Claim 13
Dependent Claim
26 words
A button according to claim 6, said axial slot being of a meander form resulting from cutting away a portion of each of said annular ribs.
References Cited (Backward Citations)
US2538396A
Cited
US2548104A
Cited
GB855945A
Cited
US2996777A
Cited
US3107408A
Cited
US3210820A
Cited
US3551963A
Cited
US3925860A
Cited
US3934314A
Cited
JPS5146501A
Cited
US4050120A
Cited
US4253226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-03 | 1988-01-02 | 1988-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-03 | 1992-01-02 | 1992-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-03 | 1996-01-02 | 1996-07-03 | $7700.00 | Window Closed / Lapsed |