US3900927A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separable fastener
Assignee: ANGELO ALBERT D
•
Filing: 1974-10-15
•
Granted: 1975-08-26
•
Expires: 1994-10-15
Abstract
Abstract A separable fastener for releasably connecting spaced ends of a flexible member, such as a neck chain, comprising a first, substantially flat member having a lateral undulation with an elongate cutout extending into said undulation and with a flat leaf spring secured to the undersurface of said member, and a second key-like member having a transverse bar at its extremity, said bar being adapted to be forced through said cutout against the action of the leaf spring and then manipulatable so as to position said transverse bar within said undulation to interconnect said first and second members.
Inventors
- 👤 Angelo Albert D
- 👤 Jack E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:16
CPC Classifications
A; A44; A44C; A44C5/00; A44C5/18; A44C5/20; A44C5/2057; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/51; Y10S24/53; Y10S24/60; Y10T; Y10T24/00; Y10T24/45; Y10T24/45005; Y10T24/45016; Y10T24/45225; Y10T24/45602; Y10T24/45775; Y10T24/45796; Y10T24/45801
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
242 words
A separable fastener adapted to releasably interconnect spaced ends of a flexible chain or the like, comprising a first, elongate body member having means at one end thereof for receiving one end of said flexible chain, a laterally extending undulation in said body member adjacent said one end, there being a central cutout extending from substantially the top of said undulation and then along said body member toward the other end thereof, a leaf spring secured to the underside of said body member adjacent said one end and extending substantially beyond said undulation, said fastener further comprising a second elongate flat member, means at one end thereof for receiving another end of a flexible chain, said second member having adjacent its other end a flat shank the width of which is slightly less than the width of said cutout, and a laterally extending bar at the end of said shank with the length of said bar being greater than the width of said cutout but less than the length of same, whereby said second member may be releasably connected with said first member by twisting said shank and bar so that the bar extends lengthwise of said cutout whereby it may be forced through said cutout against the action of said spring, and then manipulating said bar so that it lies laterally within said undulation with said shank extending outwardly through said cutout and overlying said other end of said first member.
Claim 2
Dependent Claim
242 words
A separable fastener adapted to releasably interconnect spaced ends of a flexible chain or the like, comprising a first, elongate body member having means at one end thereof for receiving one end of said flexible chain, a laterally extending undulation in said body member adjacent said one end, there being a central cutout extending from substantially the top of said undulation and then along said body member toward the other end thereof, a leaf spring secured to the underside of said body member adjacent said one end and extending substantially beyond said undulation, said fastener further comprising a second elongate flat member, means at one end thereof for receiving another end of a flexible chain, said second member having adjacent its other end a flat shank the width of which is slightly less than the width of said cutout, and a laterally extending bar at the end of said shank with the length of said bar being greater than the width of said cutout but less than the length of same, whereby said second member may be releasably connected with said first member by twisting said shank and bar so that the bar extends lengthwise of said cutout whereby it may be forced through said cutout against the action of said spring, and then manipulating said bar so that it lies laterally within said undulation with said shank extending outwardly through said cutout and overlying said other end of said first member.
Claim 3
Dependent Claim
17 words
In the fastener of claim 1, said spring extending for substantially the length of said first member.
Claim 4
Dependent Claim
19 words
In the fastener of claim 2, said cutout terminating just short of said other end of said first member.
Claim 5
Dependent Claim
21 words
In the fastener of claim 3, the length of said cutout being just slightly greater than the length of said bar.
Claim 6
Dependent Claim
14 words
In the fastener of claim 2, said spring being substantially wider than said cutout.
Claim 7
Dependent Claim
36 words
In the fastener of claim 1, said receiving means at said one end of said first member comprising an eye having a rivet secured therein, said rivet securing said leaf spring to said first body member.
Claim 8
Dependent Claim
31 words
In the fastener of claim 6, said first body member having integral ears extending downwardly from opposite sides thereof to prevent rotation of said spring relative to said first body member.
Claim 9
Dependent Claim
28 words
In the fastener of claim 1, said second member having an enlarged portion adjacent said one end thereof, said sEcond member having the general configuration of a key.
Claim 10
Dependent Claim
17 words
In the fastener of claim 8, said receiving means in said second member comprising an eye therein.
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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |